File "api-helpers.php"
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Charset: utf-8
<?php
/*
* acf_is_array
*
* This function will return true for a non empty array
*
* @type function
* @date 6/07/2016
* @since 5.4.0
*
* @param $array (array)
* @return (boolean)
*/
function acf_is_array( $array ) {
return ( is_array($array) && !empty($array) );
}
/**
* acf_has_setting
*
* alias of acf()->has_setting()
*
* @date 2/2/18
* @since 5.6.5
*
* @param n/a
* @return n/a
*/
function acf_has_setting( $name = '' ) {
return acf()->has_setting( $name );
}
/**
* acf_raw_setting
*
* alias of acf()->get_setting()
*
* @date 2/2/18
* @since 5.6.5
*
* @param n/a
* @return n/a
*/
function acf_raw_setting( $name = '' ) {
return acf()->get_setting( $name );
}
/*
* acf_update_setting
*
* alias of acf()->update_setting()
*
* @type function
* @date 28/09/13
* @since 5.0.0
*
* @param $name (string)
* @param $value (mixed)
* @return n/a
*/
function acf_update_setting( $name, $value ) {
// validate name
$name = acf_validate_setting( $name );
// update
return acf()->update_setting( $name, $value );
}
/**
* acf_validate_setting
*
* Returns the changed setting name if available.
*
* @date 2/2/18
* @since 5.6.5
*
* @param n/a
* @return n/a
*/
function acf_validate_setting( $name = '' ) {
return apply_filters( "acf/validate_setting", $name );
}
/*
* acf_get_setting
*
* alias of acf()->get_setting()
*
* @type function
* @date 28/09/13
* @since 5.0.0
*
* @param n/a
* @return n/a
*/
function acf_get_setting( $name, $value = null ) {
// validate name
$name = acf_validate_setting( $name );
// check settings
if( acf_has_setting($name) ) {
$value = acf_raw_setting( $name );
}
// filter
$value = apply_filters( "acf/settings/{$name}", $value );
// return
return $value;
}
/*
* acf_append_setting
*
* This function will add a value into the settings array found in the acf object
*
* @type function
* @date 28/09/13
* @since 5.0.0
*
* @param $name (string)
* @param $value (mixed)
* @return n/a
*/
function acf_append_setting( $name, $value ) {
// vars
$setting = acf_raw_setting( $name );
// bail ealry if not array
if( !is_array($setting) ) {
$setting = array();
}
// append
$setting[] = $value;
// update
return acf_update_setting( $name, $setting );
}
/**
* acf_get_data
*
* Returns data.
*
* @date 28/09/13
* @since 5.0.0
*
* @param string $name
* @return mixed
*/
function acf_get_data( $name ) {
return acf()->get_data( $name );
}
/**
* acf_set_data
*
* Sets data.
*
* @date 28/09/13
* @since 5.0.0
*
* @param string $name
* @param mixed $value
* @return n/a
*/
function acf_set_data( $name, $value ) {
return acf()->set_data( $name, $value );
}
/*
* acf_init
*
* alias of acf()->init()
*
* @type function
* @date 28/09/13
* @since 5.0.0
*
* @param n/a
* @return n/a
*/
function acf_init() {
acf()->init();
}
/*
* acf_has_done
*
* This function will return true if this action has already been done
*
* @type function
* @date 16/12/2015
* @since 5.3.2
*
* @param $name (string)
* @return (boolean)
*/
function acf_has_done( $name ) {
// return true if already done
if( acf_raw_setting("has_done_{$name}") ) {
return true;
}
// update setting and return
acf_update_setting("has_done_{$name}", true);
return false;
}
/*
* acf_get_external_path
*
* This function will return the path to a file within an external folder
*
* @type function
* @date 22/2/17
* @since 5.5.8
*
* @param $file (string)
* @param $path (string)
* @return (string)
*/
function acf_get_external_path( $file, $path = '' ) {
return plugin_dir_path( $file ) . $path;
}
/*
* acf_get_external_dir
*
* This function will return the url to a file within an external folder
*
* @type function
* @date 22/2/17
* @since 5.5.8
*
* @param $file (string)
* @param $path (string)
* @return (string)
*/
function acf_get_external_dir( $file, $path = '' ) {
return acf_plugin_dir_url( $file ) . $path;
}
/**
* acf_plugin_dir_url
*
* This function will calculate the url to a plugin folder.
* Different to the WP plugin_dir_url(), this function can calculate for urls outside of the plugins folder (theme include).
*
* @date 13/12/17
* @since 5.6.8
*
* @param type $var Description. Default.
* @return type Description.
*/
function acf_plugin_dir_url( $file ) {
// vars
$path = plugin_dir_path( $file );
$path = wp_normalize_path( $path );
// check plugins
$check_path = wp_normalize_path( realpath(WP_PLUGIN_DIR) );
if( strpos($path, $check_path) === 0 ) {
return str_replace( $check_path, plugins_url(), $path );
}
// check wp-content
$check_path = wp_normalize_path( realpath(WP_CONTENT_DIR) );
if( strpos($path, $check_path) === 0 ) {
return str_replace( $check_path, content_url(), $path );
}
// check root
$check_path = wp_normalize_path( realpath(ABSPATH) );
if( strpos($path, $check_path) === 0 ) {
return str_replace( $check_path, site_url('/'), $path );
}
// return
return plugin_dir_url( $file );
}
/*
* acf_parse_args
*
* This function will merge together 2 arrays and also convert any numeric values to ints
*
* @type function
* @date 18/10/13
* @since 5.0.0
*
* @param $args (array)
* @param $defaults (array)
* @return $args (array)
*/
function acf_parse_args( $args, $defaults = array() ) {
// parse args
$args = wp_parse_args( $args, $defaults );
// parse types
$args = acf_parse_types( $args );
// return
return $args;
}
/*
* acf_parse_types
*
* This function will convert any numeric values to int and trim strings
*
* @type function
* @date 18/10/13
* @since 5.0.0
*
* @param $var (mixed)
* @return $var (mixed)
*/
function acf_parse_types( $array ) {
return array_map( 'acf_parse_type', $array );
}
/*
* acf_parse_type
*
* description
*
* @type function
* @date 11/11/2014
* @since 5.0.9
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_parse_type( $v ) {
// Check if is string.
if( is_string($v) ) {
// Trim ("Word " = "Word").
$v = trim( $v );
// Convert int strings to int ("123" = 123).
if( is_numeric($v) && strval(intval($v)) === $v ) {
$v = intval( $v );
}
}
// return.
return $v;
}
/*
* acf_get_view
*
* This function will load in a file from the 'admin/views' folder and allow variables to be passed through
*
* @type function
* @date 28/09/13
* @since 5.0.0
*
* @param $view_name (string)
* @param $args (array)
* @return n/a
*/
function acf_get_view( $path = '', $args = array() ) {
// allow view file name shortcut
if( substr($path, -4) !== '.php' ) {
$path = acf_get_path("includes/admin/views/{$path}.php");
}
// include
if( file_exists($path) ) {
extract( $args );
include( $path );
}
}
/*
* acf_merge_atts
*
* description
*
* @type function
* @date 2/11/2014
* @since 5.0.9
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_merge_atts( $atts, $extra = array() ) {
// bail ealry if no $extra
if( empty($extra) ) return $atts;
// trim
$extra = array_map('trim', $extra);
$extra = array_filter($extra);
// merge in new atts
foreach( $extra as $k => $v ) {
// append
if( $k == 'class' || $k == 'style' ) {
$atts[ $k ] .= ' ' . $v;
// merge
} else {
$atts[ $k ] = $v;
}
}
// return
return $atts;
}
/*
* acf_nonce_input
*
* This function will create a basic nonce input
*
* @type function
* @date 24/5/17
* @since 5.6.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_nonce_input( $nonce = '' ) {
echo '<input type="hidden" name="_acf_nonce" value="' . wp_create_nonce( $nonce ) . '" />';
}
/*
* acf_extract_var
*
* This function will remove the var from the array, and return the var
*
* @type function
* @date 2/10/13
* @since 5.0.0
*
* @param $array (array)
* @param $key (string)
* @return (mixed)
*/
function acf_extract_var( &$array, $key, $default = null ) {
// check if exists
// - uses array_key_exists to extract NULL values (isset will fail)
if( is_array($array) && array_key_exists($key, $array) ) {
// store value
$v = $array[ $key ];
// unset
unset( $array[ $key ] );
// return
return $v;
}
// return
return $default;
}
/*
* acf_extract_vars
*
* This function will remove the vars from the array, and return the vars
*
* @type function
* @date 8/10/13
* @since 5.0.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_extract_vars( &$array, $keys ) {
$r = array();
foreach( $keys as $key ) {
$r[ $key ] = acf_extract_var( $array, $key );
}
return $r;
}
/*
* acf_get_sub_array
*
* This function will return a sub array of data
*
* @type function
* @date 15/03/2016
* @since 5.3.2
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_get_sub_array( $array, $keys ) {
$r = array();
foreach( $keys as $key ) {
$r[ $key ] = $array[ $key ];
}
return $r;
}
/**
* acf_get_post_types
*
* Returns an array of post type names.
*
* @date 7/10/13
* @since 5.0.0
*
* @param array $args Optional. An array of key => value arguments to match against the post type objects. Default empty array.
* @return array A list of post type names.
*/
function acf_get_post_types( $args = array() ) {
// vars
$post_types = array();
// extract special arg
$exclude = acf_extract_var( $args, 'exclude', array() );
$exclude[] = 'acf-field';
$exclude[] = 'acf-field-group';
// get post type objects
$objects = get_post_types( $args, 'objects' );
// loop
foreach( $objects as $i => $object ) {
// bail early if is exclude
if( in_array($i, $exclude) ) continue;
// bail early if is builtin (WP) private post type
// - nav_menu_item, revision, customize_changeset, etc
if( $object->_builtin && !$object->public ) continue;
// append
$post_types[] = $i;
}
// filter
$post_types = apply_filters('acf/get_post_types', $post_types, $args);
// return
return $post_types;
}
function acf_get_pretty_post_types( $post_types = array() ) {
// get post types
if( empty($post_types) ) {
// get all custom post types
$post_types = acf_get_post_types();
}
// get labels
$ref = array();
$r = array();
foreach( $post_types as $post_type ) {
// vars
$label = acf_get_post_type_label($post_type);
// append to r
$r[ $post_type ] = $label;
// increase counter
if( !isset($ref[ $label ]) ) {
$ref[ $label ] = 0;
}
$ref[ $label ]++;
}
// get slugs
foreach( array_keys($r) as $i ) {
// vars
$post_type = $r[ $i ];
if( $ref[ $post_type ] > 1 ) {
$r[ $i ] .= ' (' . $i . ')';
}
}
// return
return $r;
}
/*
* acf_get_post_type_label
*
* This function will return a pretty label for a specific post_type
*
* @type function
* @date 5/07/2016
* @since 5.4.0
*
* @param $post_type (string)
* @return (string)
*/
function acf_get_post_type_label( $post_type ) {
// vars
$label = $post_type;
// check that object exists
// - case exists when importing field group from another install and post type does not exist
if( post_type_exists($post_type) ) {
$obj = get_post_type_object($post_type);
$label = $obj->labels->singular_name;
}
// return
return $label;
}
/*
* acf_verify_nonce
*
* This function will look at the $_POST['_acf_nonce'] value and return true or false
*
* @type function
* @date 15/10/13
* @since 5.0.0
*
* @param $nonce (string)
* @return (boolean)
*/
function acf_verify_nonce( $value) {
// vars
$nonce = acf_maybe_get_POST('_acf_nonce');
// bail early nonce does not match (post|user|comment|term)
if( !$nonce || !wp_verify_nonce($nonce, $value) ) return false;
// reset nonce (only allow 1 save)
$_POST['_acf_nonce'] = false;
// return
return true;
}
/*
* acf_verify_ajax
*
* This function will return true if the current AJAX request is valid
* It's action will also allow WPML to set the lang and avoid AJAX get_posts issues
*
* @type function
* @date 7/08/2015
* @since 5.2.3
*
* @param n/a
* @return (boolean)
*/
function acf_verify_ajax() {
// vars
$nonce = isset($_REQUEST['nonce']) ? $_REQUEST['nonce'] : '';
// bail early if not acf nonce
if( !$nonce || !wp_verify_nonce($nonce, 'acf_nonce') ) {
return false;
}
// action for 3rd party customization
do_action('acf/verify_ajax');
// return
return true;
}
/*
* acf_get_image_sizes
*
* This function will return an array of available image sizes
*
* @type function
* @date 23/10/13
* @since 5.0.0
*
* @param n/a
* @return (array)
*/
function acf_get_image_sizes() {
// vars
$sizes = array(
'thumbnail' => __("Thumbnail",'acf'),
'medium' => __("Medium",'acf'),
'large' => __("Large",'acf')
);
// find all sizes
$all_sizes = get_intermediate_image_sizes();
// add extra registered sizes
if( !empty($all_sizes) ) {
foreach( $all_sizes as $size ) {
// bail early if already in array
if( isset($sizes[ $size ]) ) {
continue;
}
// append to array
$label = str_replace('-', ' ', $size);
$label = ucwords( $label );
$sizes[ $size ] = $label;
}
}
// add sizes
foreach( array_keys($sizes) as $s ) {
// vars
$data = acf_get_image_size($s);
// append
if( $data['width'] && $data['height'] ) {
$sizes[ $s ] .= ' (' . $data['width'] . ' x ' . $data['height'] . ')';
}
}
// add full end
$sizes['full'] = __("Full Size",'acf');
// filter for 3rd party customization
$sizes = apply_filters( 'acf/get_image_sizes', $sizes );
// return
return $sizes;
}
function acf_get_image_size( $s = '' ) {
// global
global $_wp_additional_image_sizes;
// rename for nicer code
$_sizes = $_wp_additional_image_sizes;
// vars
$data = array(
'width' => isset($_sizes[$s]['width']) ? $_sizes[$s]['width'] : get_option("{$s}_size_w"),
'height' => isset($_sizes[$s]['height']) ? $_sizes[$s]['height'] : get_option("{$s}_size_h")
);
// return
return $data;
}
/**
* acf_version_compare
*
* Similar to the version_compare() function but with extra functionality.
*
* @date 21/11/16
* @since 5.5.0
*
* @param string $left The left version number.
* @param string $compare The compare operator.
* @param string $right The right version number.
* @return bool
*/
function acf_version_compare( $left = '', $compare = '>', $right = '' ) {
// Detect 'wp' placeholder.
if( $left === 'wp' ) {
global $wp_version;
$left = $wp_version;
}
// Return result.
return version_compare( $left, $right, $compare );
}
/*
* acf_get_full_version
*
* This function will remove any '-beta1' or '-RC1' strings from a version
*
* @type function
* @date 24/11/16
* @since 5.5.0
*
* @param $version (string)
* @return (string)
*/
function acf_get_full_version( $version = '1' ) {
// remove '-beta1' or '-RC1'
if( $pos = strpos($version, '-') ) {
$version = substr($version, 0, $pos);
}
// return
return $version;
}
/*
* acf_get_terms
*
* This function is a wrapper for the get_terms() function
*
* @type function
* @date 28/09/2016
* @since 5.4.0
*
* @param $args (array)
* @return (array)
*/
function acf_get_terms( $args ) {
// defaults
$args = wp_parse_args($args, array(
'taxonomy' => null,
'hide_empty' => false,
'update_term_meta_cache' => false,
));
// parameters changed in version 4.5
if( acf_version_compare('wp', '<', '4.5') ) {
return get_terms( $args['taxonomy'], $args );
}
// return
return get_terms( $args );
}
/*
* acf_get_taxonomy_terms
*
* This function will return an array of available taxonomy terms
*
* @type function
* @date 7/10/13
* @since 5.0.0
*
* @param $taxonomies (array)
* @return (array)
*/
function acf_get_taxonomy_terms( $taxonomies = array() ) {
// force array
$taxonomies = acf_get_array( $taxonomies );
// get pretty taxonomy names
$taxonomies = acf_get_pretty_taxonomies( $taxonomies );
// vars
$r = array();
// populate $r
foreach( array_keys($taxonomies) as $taxonomy ) {
// vars
$label = $taxonomies[ $taxonomy ];
$is_hierarchical = is_taxonomy_hierarchical( $taxonomy );
$terms = acf_get_terms(array(
'taxonomy' => $taxonomy,
'hide_empty' => false
));
// bail early i no terms
if( empty($terms) ) continue;
// sort into hierachial order!
if( $is_hierarchical ) {
$terms = _get_term_children( 0, $terms, $taxonomy );
}
// add placeholder
$r[ $label ] = array();
// add choices
foreach( $terms as $term ) {
$k = "{$taxonomy}:{$term->slug}";
$r[ $label ][ $k ] = acf_get_term_title( $term );
}
}
// return
return $r;
}
/*
* acf_decode_taxonomy_terms
*
* This function decodes the $taxonomy:$term strings into a nested array
*
* @type function
* @date 27/02/2014
* @since 5.0.0
*
* @param $terms (array)
* @return (array)
*/
function acf_decode_taxonomy_terms( $strings = false ) {
// bail early if no terms
if( empty($strings) ) return false;
// vars
$terms = array();
// loop
foreach( $strings as $string ) {
// vars
$data = acf_decode_taxonomy_term( $string );
$taxonomy = $data['taxonomy'];
$term = $data['term'];
// create empty array
if( !isset($terms[ $taxonomy ]) ) {
$terms[ $taxonomy ] = array();
}
// append
$terms[ $taxonomy ][] = $term;
}
// return
return $terms;
}
/*
* acf_decode_taxonomy_term
*
* This function will return the taxonomy and term slug for a given value
*
* @type function
* @date 31/03/2014
* @since 5.0.0
*
* @param $string (string)
* @return (array)
*/
function acf_decode_taxonomy_term( $value ) {
// vars
$data = array(
'taxonomy' => '',
'term' => ''
);
// int
if( is_numeric($value) ) {
$data['term'] = $value;
// string
} elseif( is_string($value) ) {
$value = explode(':', $value);
$data['taxonomy'] = isset($value[0]) ? $value[0] : '';
$data['term'] = isset($value[1]) ? $value[1] : '';
// error
} else {
return false;
}
// allow for term_id (Used by ACF v4)
if( is_numeric($data['term']) ) {
// global
global $wpdb;
// find taxonomy
if( !$data['taxonomy'] ) {
$data['taxonomy'] = $wpdb->get_var( $wpdb->prepare("SELECT taxonomy FROM $wpdb->term_taxonomy WHERE term_id = %d LIMIT 1", $data['term']) );
}
// find term (may have numeric slug '123')
$term = get_term_by( 'slug', $data['term'], $data['taxonomy'] );
// attempt get term via ID (ACF4 uses ID)
if( !$term ) $term = get_term( $data['term'], $data['taxonomy'] );
// bail early if no term
if( !$term ) return false;
// update
$data['taxonomy'] = $term->taxonomy;
$data['term'] = $term->slug;
}
// return
return $data;
}
/**
* acf_array
*
* Casts the value into an array.
*
* @date 9/1/19
* @since 5.7.10
*
* @param mixed $val The value to cast.
* @return array
*/
function acf_array( $val = array() ) {
return (array) $val;
}
/*
* acf_get_array
*
* This function will force a variable to become an array
*
* @type function
* @date 4/02/2014
* @since 5.0.0
*
* @param $var (mixed)
* @return (array)
*/
function acf_get_array( $var = false, $delimiter = '' ) {
// array
if( is_array($var) ) {
return $var;
}
// bail early if empty
if( acf_is_empty($var) ) {
return array();
}
// string
if( is_string($var) && $delimiter ) {
return explode($delimiter, $var);
}
// place in array
return (array) $var;
}
/*
* acf_get_numeric
*
* This function will return numeric values
*
* @type function
* @date 15/07/2016
* @since 5.4.0
*
* @param $value (mixed)
* @return (mixed)
*/
function acf_get_numeric( $value = '' ) {
// vars
$numbers = array();
$is_array = is_array($value);
// loop
foreach( (array) $value as $v ) {
if( is_numeric($v) ) $numbers[] = (int) $v;
}
// bail early if is empty
if( empty($numbers) ) return false;
// convert array
if( !$is_array ) $numbers = $numbers[0];
// return
return $numbers;
}
/**
* acf_get_posts
*
* Similar to the get_posts() function but with extra functionality.
*
* @date 3/03/15
* @since 5.1.5
*
* @param array $args The query args.
* @return array
*/
function acf_get_posts( $args = array() ) {
// Vars.
$posts = array();
// Apply default args.
$args = wp_parse_args($args, array(
'posts_per_page' => -1,
'post_type' => '',
'post_status' => 'any',
'update_post_meta_cache' => false,
'update_post_term_cache' => false
));
// Avoid default 'post' post_type by providing all public types.
if( !$args['post_type'] ) {
$args['post_type'] = acf_get_post_types();
}
// Check if specifc post ID's have been provided.
if( $args['post__in'] ) {
// Clean value into an array of IDs.
$args['post__in'] = array_map('intval', acf_array($args['post__in']));
}
// Query posts.
$posts = get_posts( $args );
// Remove any potential empty results.
$posts = array_filter( $posts );
// Manually order results.
if( $posts && $args['post__in'] ) {
$order = array();
foreach( $posts as $i => $post ) {
$order[ $i ] = array_search( $post->ID, $args['post__in'] );
}
array_multisort($order, $posts);
}
// Return posts.
return $posts;
}
/*
* _acf_query_remove_post_type
*
* This function will remove the 'wp_posts.post_type' WHERE clause completely
* When using 'post__in', this clause is unneccessary and slow.
*
* @type function
* @date 4/03/2015
* @since 5.1.5
*
* @param $sql (string)
* @return $sql
*/
function _acf_query_remove_post_type( $sql ) {
// global
global $wpdb;
// bail ealry if no 'wp_posts.ID IN'
if( strpos($sql, "$wpdb->posts.ID IN") === false ) {
return $sql;
}
// get bits
$glue = 'AND';
$bits = explode($glue, $sql);
// loop through $where and remove any post_type queries
foreach( $bits as $i => $bit ) {
if( strpos($bit, "$wpdb->posts.post_type") !== false ) {
unset( $bits[ $i ] );
}
}
// join $where back together
$sql = implode($glue, $bits);
// return
return $sql;
}
/*
* acf_get_grouped_posts
*
* This function will return all posts grouped by post_type
* This is handy for select settings
*
* @type function
* @date 27/02/2014
* @since 5.0.0
*
* @param $args (array)
* @return (array)
*/
function acf_get_grouped_posts( $args ) {
// vars
$data = array();
// defaults
$args = wp_parse_args( $args, array(
'posts_per_page' => -1,
'paged' => 0,
'post_type' => 'post',
'orderby' => 'menu_order title',
'order' => 'ASC',
'post_status' => 'any',
'suppress_filters' => false,
'update_post_meta_cache' => false,
));
// find array of post_type
$post_types = acf_get_array( $args['post_type'] );
$post_types_labels = acf_get_pretty_post_types($post_types);
$is_single_post_type = ( count($post_types) == 1 );
// attachment doesn't work if it is the only item in an array
if( $is_single_post_type ) {
$args['post_type'] = reset($post_types);
}
// add filter to orderby post type
if( !$is_single_post_type ) {
add_filter('posts_orderby', '_acf_orderby_post_type', 10, 2);
}
// get posts
$posts = get_posts( $args );
// remove this filter (only once)
if( !$is_single_post_type ) {
remove_filter('posts_orderby', '_acf_orderby_post_type', 10, 2);
}
// loop
foreach( $post_types as $post_type ) {
// vars
$this_posts = array();
$this_group = array();
// populate $this_posts
foreach( $posts as $post ) {
if( $post->post_type == $post_type ) {
$this_posts[] = $post;
}
}
// bail early if no posts for this post type
if( empty($this_posts) ) continue;
// sort into hierachial order!
// this will fail if a search has taken place because parents wont exist
if( is_post_type_hierarchical($post_type) && empty($args['s'])) {
// vars
$post_id = $this_posts[0]->ID;
$parent_id = acf_maybe_get($args, 'post_parent', 0);
$offset = 0;
$length = count($this_posts);
// get all posts from this post type
$all_posts = get_posts(array_merge($args, array(
'posts_per_page' => -1,
'paged' => 0,
'post_type' => $post_type
)));
// find starting point (offset)
foreach( $all_posts as $i => $post ) {
if( $post->ID == $post_id ) {
$offset = $i;
break;
}
}
// order posts
$ordered_posts = get_page_children($parent_id, $all_posts);
// compare aray lengths
// if $ordered_posts is smaller than $all_posts, WP has lost posts during the get_page_children() function
// this is possible when get_post( $args ) filter out parents (via taxonomy, meta and other search parameters)
if( count($ordered_posts) == count($all_posts) ) {
$this_posts = array_slice($ordered_posts, $offset, $length);
}
}
// populate $this_posts
foreach( $this_posts as $post ) {
$this_group[ $post->ID ] = $post;
}
// group by post type
$label = $post_types_labels[ $post_type ];
$data[ $label ] = $this_group;
}
// return
return $data;
}
function _acf_orderby_post_type( $ordeby, $wp_query ) {
// global
global $wpdb;
// get post types
$post_types = $wp_query->get('post_type');
// prepend SQL
if( is_array($post_types) ) {
$post_types = implode("','", $post_types);
$ordeby = "FIELD({$wpdb->posts}.post_type,'$post_types')," . $ordeby;
}
// return
return $ordeby;
}
function acf_get_post_title( $post = 0, $is_search = false ) {
// vars
$post = get_post($post);
$title = '';
$prepend = '';
$append = '';
// bail early if no post
if( !$post ) return '';
// title
$title = get_the_title( $post->ID );
// empty
if( $title === '' ) {
$title = __('(no title)', 'acf');
}
// status
if( get_post_status( $post->ID ) != "publish" ) {
$append .= ' (' . get_post_status( $post->ID ) . ')';
}
// ancestors
if( $post->post_type !== 'attachment' ) {
// get ancestors
$ancestors = get_ancestors( $post->ID, $post->post_type );
$prepend .= str_repeat('- ', count($ancestors));
// add parent
/*
removed in 5.6.5 as not used by the UI
if( $is_search && !empty($ancestors) ) {
// reverse
$ancestors = array_reverse($ancestors);
// convert id's into titles
foreach( $ancestors as $i => $id ) {
$ancestors[ $i ] = get_the_title( $id );
}
// append
$append .= ' | ' . __('Parent', 'acf') . ': ' . implode(' / ', $ancestors);
}
*/
}
// merge
$title = $prepend . $title . $append;
// return
return $title;
}
function acf_order_by_search( $array, $search ) {
// vars
$weights = array();
$needle = strtolower( $search );
// add key prefix
foreach( array_keys($array) as $k ) {
$array[ '_' . $k ] = acf_extract_var( $array, $k );
}
// add search weight
foreach( $array as $k => $v ) {
// vars
$weight = 0;
$haystack = strtolower( $v );
$strpos = strpos( $haystack, $needle );
// detect search match
if( $strpos !== false ) {
// set eright to length of match
$weight = strlen( $search );
// increase weight if match starts at begining of string
if( $strpos == 0 ) {
$weight++;
}
}
// append to wights
$weights[ $k ] = $weight;
}
// sort the array with menu_order ascending
array_multisort( $weights, SORT_DESC, $array );
// remove key prefix
foreach( array_keys($array) as $k ) {
$array[ substr($k,1) ] = acf_extract_var( $array, $k );
}
// return
return $array;
}
/*
* acf_get_pretty_user_roles
*
* description
*
* @type function
* @date 23/02/2016
* @since 5.3.2
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_get_pretty_user_roles( $allowed = false ) {
// vars
$editable_roles = get_editable_roles();
$allowed = acf_get_array($allowed);
$roles = array();
// loop
foreach( $editable_roles as $role_name => $role_details ) {
// bail early if not allowed
if( !empty($allowed) && !in_array($role_name, $allowed) ) continue;
// append
$roles[ $role_name ] = translate_user_role( $role_details['name'] );
}
// return
return $roles;
}
/*
* acf_get_grouped_users
*
* This function will return all users grouped by role
* This is handy for select settings
*
* @type function
* @date 27/02/2014
* @since 5.0.0
*
* @param $args (array)
* @return (array)
*/
function acf_get_grouped_users( $args = array() ) {
// vars
$r = array();
// defaults
$args = wp_parse_args( $args, array(
'users_per_page' => -1,
'paged' => 0,
'role' => '',
'orderby' => 'login',
'order' => 'ASC',
));
// offset
$i = 0;
$min = 0;
$max = 0;
$users_per_page = acf_extract_var($args, 'users_per_page');
$paged = acf_extract_var($args, 'paged');
if( $users_per_page > 0 ) {
// prevent paged from being -1
$paged = max(0, $paged);
// set min / max
$min = (($paged-1) * $users_per_page) + 1; // 1, 11
$max = ($paged * $users_per_page); // 10, 20
}
// find array of post_type
$user_roles = acf_get_pretty_user_roles($args['role']);
// fix role
if( is_array($args['role']) ) {
// global
global $wp_version, $wpdb;
// vars
$roles = acf_extract_var($args, 'role');
// new WP has role__in
if( version_compare($wp_version, '4.4', '>=' ) ) {
$args['role__in'] = $roles;
// old WP doesn't have role__in
} else {
// vars
$blog_id = get_current_blog_id();
$meta_query = array( 'relation' => 'OR' );
// loop
foreach( $roles as $role ) {
$meta_query[] = array(
'key' => $wpdb->get_blog_prefix( $blog_id ) . 'capabilities',
'value' => '"' . $role . '"',
'compare' => 'LIKE',
);
}
// append
$args['meta_query'] = $meta_query;
}
}
// get posts
$users = get_users( $args );
// loop
foreach( $user_roles as $user_role_name => $user_role_label ) {
// vars
$this_users = array();
$this_group = array();
// populate $this_posts
foreach( array_keys($users) as $key ) {
// bail ealry if not correct role
if( !in_array($user_role_name, $users[ $key ]->roles) ) continue;
// extract user
$user = acf_extract_var( $users, $key );
// increase
$i++;
// bail ealry if too low
if( $min && $i < $min ) continue;
// bail early if too high (don't bother looking at any more users)
if( $max && $i > $max ) break;
// group by post type
$this_users[ $user->ID ] = $user;
}
// bail early if no posts for this post type
if( empty($this_users) ) continue;
// append
$r[ $user_role_label ] = $this_users;
}
// return
return $r;
}
/**
* acf_json_encode
*
* Returns json_encode() ready for file / database use.
*
* @date 29/4/19
* @since 5.0.0
*
* @param array $json The array of data to encode.
* @return string
*/
function acf_json_encode( $json ) {
return json_encode($json, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
}
/*
* acf_str_exists
*
* This function will return true if a sub string is found
*
* @type function
* @date 1/05/2014
* @since 5.0.0
*
* @param $needle (string)
* @param $haystack (string)
* @return (boolean)
*/
function acf_str_exists( $needle, $haystack ) {
// return true if $haystack contains the $needle
if( is_string($haystack) && strpos($haystack, $needle) !== false ) {
return true;
}
// return
return false;
}
/*
* acf_debug
*
* description
*
* @type function
* @date 2/05/2014
* @since 5.0.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_debug() {
// vars
$args = func_get_args();
$s = array_shift($args);
$o = '';
$nl = "\r\n";
// start script
$o .= '<script type="text/javascript">' . $nl;
$o .= 'console.log("' . $s . '"';
if( !empty($args) ) {
foreach( $args as $arg ) {
if( is_object($arg) || is_array($arg) ) {
$arg = json_encode($arg);
} elseif( is_bool($arg) ) {
$arg = $arg ? 'true' : 'false';
}elseif( is_string($arg) ) {
$arg = '"' . $arg . '"';
}
$o .= ', ' . $arg;
}
}
$o .= ');' . $nl;
// end script
$o .= '</script>' . $nl;
// echo
echo $o;
}
function acf_debug_start() {
acf_update_setting( 'debug_start', memory_get_usage());
}
function acf_debug_end() {
$start = acf_get_setting( 'debug_start' );
$end = memory_get_usage();
return $end - $start;
}
/*
* acf_encode_choices
*
* description
*
* @type function
* @date 4/06/2014
* @since 5.0.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_encode_choices( $array = array(), $show_keys = true ) {
// bail early if not array (maybe a single string)
if( !is_array($array) ) return $array;
// bail early if empty array
if( empty($array) ) return '';
// vars
$string = '';
// if allowed to show keys (good for choices, not for default values)
if( $show_keys ) {
// loop
foreach( $array as $k => $v ) {
// ignore if key and value are the same
if( strval($k) == strval($v) ) continue;
// show key in the value
$array[ $k ] = $k . ' : ' . $v;
}
}
// implode
$string = implode("\n", $array);
// return
return $string;
}
function acf_decode_choices( $string = '', $array_keys = false ) {
// bail early if already array
if( is_array($string) ) {
return $string;
// allow numeric values (same as string)
} elseif( is_numeric($string) ) {
// do nothing
// bail early if not a string
} elseif( !is_string($string) ) {
return array();
// bail early if is empty string
} elseif( $string === '' ) {
return array();
}
// vars
$array = array();
// explode
$lines = explode("\n", $string);
// key => value
foreach( $lines as $line ) {
// vars
$k = trim($line);
$v = trim($line);
// look for ' : '
if( acf_str_exists(' : ', $line) ) {
$line = explode(' : ', $line);
$k = trim($line[0]);
$v = trim($line[1]);
}
// append
$array[ $k ] = $v;
}
// return only array keys? (good for checkbox default_value)
if( $array_keys ) {
return array_keys($array);
}
// return
return $array;
}
/*
* acf_str_replace
*
* This function will replace an array of strings much like str_replace
* The difference is the extra logic to avoid replacing a string that has alread been replaced
* This is very useful for replacing date characters as they overlap with eachother
*
* @type function
* @date 21/06/2016
* @since 5.3.8
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_str_replace( $string = '', $search_replace = array() ) {
// vars
$ignore = array();
// remove potential empty search to avoid PHP error
unset($search_replace['']);
// loop over conversions
foreach( $search_replace as $search => $replace ) {
// ignore this search, it was a previous replace
if( in_array($search, $ignore) ) continue;
// bail early if subsctring not found
if( strpos($string, $search) === false ) continue;
// replace
$string = str_replace($search, $replace, $string);
// append to ignore
$ignore[] = $replace;
}
// return
return $string;
}
/*
* date & time formats
*
* These settings contain an association of format strings from PHP => JS
*
* @type function
* @date 21/06/2016
* @since 5.3.8
*
* @param n/a
* @return n/a
*/
acf_update_setting('php_to_js_date_formats', array(
// Year
'Y' => 'yy', // Numeric, 4 digits 1999, 2003
'y' => 'y', // Numeric, 2 digits 99, 03
// Month
'm' => 'mm', // Numeric, with leading zeros 01–12
'n' => 'm', // Numeric, without leading zeros 1–12
'F' => 'MM', // Textual full January – December
'M' => 'M', // Textual three letters Jan - Dec
// Weekday
'l' => 'DD', // Full name (lowercase 'L') Sunday – Saturday
'D' => 'D', // Three letter name Mon – Sun
// Day of Month
'd' => 'dd', // Numeric, with leading zeros 01–31
'j' => 'd', // Numeric, without leading zeros 1–31
'S' => '', // The English suffix for the day of the month st, nd or th in the 1st, 2nd or 15th.
));
acf_update_setting('php_to_js_time_formats', array(
'a' => 'tt', // Lowercase Ante meridiem and Post meridiem am or pm
'A' => 'TT', // Uppercase Ante meridiem and Post meridiem AM or PM
'h' => 'hh', // 12-hour format of an hour with leading zeros 01 through 12
'g' => 'h', // 12-hour format of an hour without leading zeros 1 through 12
'H' => 'HH', // 24-hour format of an hour with leading zeros 00 through 23
'G' => 'H', // 24-hour format of an hour without leading zeros 0 through 23
'i' => 'mm', // Minutes with leading zeros 00 to 59
's' => 'ss', // Seconds, with leading zeros 00 through 59
));
/*
* acf_split_date_time
*
* This function will split a format string into seperate date and time
*
* @type function
* @date 26/05/2016
* @since 5.3.8
*
* @param $date_time (string)
* @return $formats (array)
*/
function acf_split_date_time( $date_time = '' ) {
// vars
$php_date = acf_get_setting('php_to_js_date_formats');
$php_time = acf_get_setting('php_to_js_time_formats');
$chars = str_split($date_time);
$type = 'date';
// default
$data = array(
'date' => '',
'time' => ''
);
// loop
foreach( $chars as $i => $c ) {
// find type
// - allow misc characters to append to previous type
if( isset($php_date[ $c ]) ) {
$type = 'date';
} elseif( isset($php_time[ $c ]) ) {
$type = 'time';
}
// append char
$data[ $type ] .= $c;
}
// trim
$data['date'] = trim($data['date']);
$data['time'] = trim($data['time']);
// return
return $data;
}
/*
* acf_convert_date_to_php
*
* This fucntion converts a date format string from JS to PHP
*
* @type function
* @date 20/06/2014
* @since 5.0.0
*
* @param $date (string)
* @return (string)
*/
function acf_convert_date_to_php( $date = '' ) {
// vars
$php_to_js = acf_get_setting('php_to_js_date_formats');
$js_to_php = array_flip($php_to_js);
// return
return acf_str_replace( $date, $js_to_php );
}
/*
* acf_convert_date_to_js
*
* This fucntion converts a date format string from PHP to JS
*
* @type function
* @date 20/06/2014
* @since 5.0.0
*
* @param $date (string)
* @return (string)
*/
function acf_convert_date_to_js( $date = '' ) {
// vars
$php_to_js = acf_get_setting('php_to_js_date_formats');
// return
return acf_str_replace( $date, $php_to_js );
}
/*
* acf_convert_time_to_php
*
* This fucntion converts a time format string from JS to PHP
*
* @type function
* @date 20/06/2014
* @since 5.0.0
*
* @param $time (string)
* @return (string)
*/
function acf_convert_time_to_php( $time = '' ) {
// vars
$php_to_js = acf_get_setting('php_to_js_time_formats');
$js_to_php = array_flip($php_to_js);
// return
return acf_str_replace( $time, $js_to_php );
}
/*
* acf_convert_time_to_js
*
* This fucntion converts a date format string from PHP to JS
*
* @type function
* @date 20/06/2014
* @since 5.0.0
*
* @param $time (string)
* @return (string)
*/
function acf_convert_time_to_js( $time = '' ) {
// vars
$php_to_js = acf_get_setting('php_to_js_time_formats');
// return
return acf_str_replace( $time, $php_to_js );
}
/*
* acf_update_user_setting
*
* description
*
* @type function
* @date 15/07/2014
* @since 5.0.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_update_user_setting( $name, $value ) {
// get current user id
$user_id = get_current_user_id();
// get user settings
$settings = get_user_meta( $user_id, 'acf_user_settings', true );
// ensure array
$settings = acf_get_array($settings);
// delete setting (allow 0 to save)
if( acf_is_empty($value) ) {
unset($settings[ $name ]);
// append setting
} else {
$settings[ $name ] = $value;
}
// update user data
return update_metadata('user', $user_id, 'acf_user_settings', $settings);
}
/*
* acf_get_user_setting
*
* description
*
* @type function
* @date 15/07/2014
* @since 5.0.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_get_user_setting( $name = '', $default = false ) {
// get current user id
$user_id = get_current_user_id();
// get user settings
$settings = get_user_meta( $user_id, 'acf_user_settings', true );
// ensure array
$settings = acf_get_array($settings);
// bail arly if no settings
if( !isset($settings[$name]) ) return $default;
// return
return $settings[$name];
}
/*
* acf_in_array
*
* description
*
* @type function
* @date 22/07/2014
* @since 5.0.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_in_array( $value = '', $array = false ) {
// bail early if not array
if( !is_array($array) ) return false;
// find value in array
return in_array($value, $array);
}
/*
* acf_get_valid_post_id
*
* This function will return a valid post_id based on the current screen / parameter
*
* @type function
* @date 8/12/2013
* @since 5.0.0
*
* @param $post_id (mixed)
* @return $post_id (mixed)
*/
function acf_get_valid_post_id( $post_id = 0 ) {
// allow filter to short-circuit load_value logic
$preload = apply_filters( "acf/pre_load_post_id", null, $post_id );
if( $preload !== null ) {
return $preload;
}
// vars
$_post_id = $post_id;
// if not $post_id, load queried object
if( !$post_id ) {
// try for global post (needed for setup_postdata)
$post_id = (int) get_the_ID();
// try for current screen
if( !$post_id ) {
$post_id = get_queried_object();
}
}
// $post_id may be an object
if( is_object($post_id) ) {
// post
if( isset($post_id->post_type, $post_id->ID) ) {
$post_id = $post_id->ID;
// user
} elseif( isset($post_id->roles, $post_id->ID) ) {
$post_id = 'user_' . $post_id->ID;
// term
} elseif( isset($post_id->taxonomy, $post_id->term_id) ) {
$post_id = acf_get_term_post_id( $post_id->taxonomy, $post_id->term_id );
// comment
} elseif( isset($post_id->comment_ID) ) {
$post_id = 'comment_' . $post_id->comment_ID;
// default
} else {
$post_id = 0;
}
}
// allow for option == options
if( $post_id === 'option' ) {
$post_id = 'options';
}
// append language code
if( $post_id == 'options' ) {
$dl = acf_get_setting('default_language');
$cl = acf_get_setting('current_language');
if( $cl && $cl !== $dl ) {
$post_id .= '_' . $cl;
}
}
// filter for 3rd party
$post_id = apply_filters('acf/validate_post_id', $post_id, $_post_id);
// return
return $post_id;
}
/*
* acf_get_post_id_info
*
* This function will return the type and id for a given $post_id string
*
* @type function
* @date 2/07/2016
* @since 5.4.0
*
* @param $post_id (mixed)
* @return $info (array)
*/
function acf_get_post_id_info( $post_id = 0 ) {
// vars
$info = array(
'type' => 'post',
'id' => 0
);
// bail early if no $post_id
if( !$post_id ) return $info;
// check cache
// - this function will most likely be called multiple times (saving loading fields from post)
//$cache_key = "get_post_id_info/post_id={$post_id}";
//if( acf_isset_cache($cache_key) ) return acf_get_cache($cache_key);
// numeric
if( is_numeric($post_id) ) {
$info['id'] = (int) $post_id;
// string
} elseif( is_string($post_id) ) {
// vars
$glue = '_';
$type = explode($glue, $post_id);
$id = array_pop($type);
$type = implode($glue, $type);
$meta = array('post', 'user', 'comment', 'term');
// check if is taxonomy (ACF < 5.5)
// - avoid scenario where taxonomy exists with name of meta type
if( !in_array($type, $meta) && acf_isset_termmeta($type) ) $type = 'term';
// meta
if( is_numeric($id) && in_array($type, $meta) ) {
$info['type'] = $type;
$info['id'] = (int) $id;
// option
} else {
$info['type'] = 'option';
$info['id'] = $post_id;
}
}
// update cache
//acf_set_cache($cache_key, $info);
// filter
$info = apply_filters("acf/get_post_id_info", $info, $post_id);
// return
return $info;
}
/*
acf_log( acf_get_post_id_info(4) );
acf_log( acf_get_post_id_info('post_4') );
acf_log( acf_get_post_id_info('user_123') );
acf_log( acf_get_post_id_info('term_567') );
acf_log( acf_get_post_id_info('category_204') );
acf_log( acf_get_post_id_info('comment_6') );
acf_log( acf_get_post_id_info('options_lol!') );
acf_log( acf_get_post_id_info('option') );
acf_log( acf_get_post_id_info('options') );
*/
/*
* acf_isset_termmeta
*
* This function will return true if the termmeta table exists
* https://developer.wordpress.org/reference/functions/get_term_meta/
*
* @type function
* @date 3/09/2016
* @since 5.4.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_isset_termmeta( $taxonomy = '' ) {
// bail ealry if no table
if( get_option('db_version') < 34370 ) return false;
// check taxonomy
if( $taxonomy && !taxonomy_exists($taxonomy) ) return false;
// return
return true;
}
/*
* acf_get_term_post_id
*
* This function will return a valid post_id string for a given term and taxonomy
*
* @type function
* @date 6/2/17
* @since 5.5.6
*
* @param $taxonomy (string)
* @param $term_id (int)
* @return (string)
*/
function acf_get_term_post_id( $taxonomy, $term_id ) {
// WP < 4.4
if( !acf_isset_termmeta() ) {
return $taxonomy . '_' . $term_id;
}
// return
return 'term_' . $term_id;
}
/*
* acf_upload_files
*
* This function will walk througfh the $_FILES data and upload each found
*
* @type function
* @date 25/10/2014
* @since 5.0.9
*
* @param $ancestors (array) an internal parameter, not required
* @return n/a
*/
function acf_upload_files( $ancestors = array() ) {
// vars
$file = array(
'name' => '',
'type' => '',
'tmp_name' => '',
'error' => '',
'size' => ''
);
// populate with $_FILES data
foreach( array_keys($file) as $k ) {
$file[ $k ] = $_FILES['acf'][ $k ];
}
// walk through ancestors
if( !empty($ancestors) ) {
foreach( $ancestors as $a ) {
foreach( array_keys($file) as $k ) {
$file[ $k ] = $file[ $k ][ $a ];
}
}
}
// is array?
if( is_array($file['name']) ) {
foreach( array_keys($file['name']) as $k ) {
$_ancestors = array_merge($ancestors, array($k));
acf_upload_files( $_ancestors );
}
return;
}
// bail ealry if file has error (no file uploaded)
if( $file['error'] ) {
return;
}
// assign global _acfuploader for media validation
$_POST['_acfuploader'] = end($ancestors);
// file found!
$attachment_id = acf_upload_file( $file );
// update $_POST
array_unshift($ancestors, 'acf');
acf_update_nested_array( $_POST, $ancestors, $attachment_id );
}
/*
* acf_upload_file
*
* This function will uploade a $_FILE
*
* @type function
* @date 27/10/2014
* @since 5.0.9
*
* @param $uploaded_file (array) array found from $_FILE data
* @return $id (int) new attachment ID
*/
function acf_upload_file( $uploaded_file ) {
// required
//require_once( ABSPATH . "/wp-load.php" ); // WP should already be loaded
require_once( ABSPATH . "/wp-admin/includes/media.php" ); // video functions
require_once( ABSPATH . "/wp-admin/includes/file.php" );
require_once( ABSPATH . "/wp-admin/includes/image.php" );
// required for wp_handle_upload() to upload the file
$upload_overrides = array( 'test_form' => false );
// upload
$file = wp_handle_upload( $uploaded_file, $upload_overrides );
// bail ealry if upload failed
if( isset($file['error']) ) {
return $file['error'];
}
// vars
$url = $file['url'];
$type = $file['type'];
$file = $file['file'];
$filename = basename($file);
// Construct the object array
$object = array(
'post_title' => $filename,
'post_mime_type' => $type,
'guid' => $url
);
// Save the data
$id = wp_insert_attachment($object, $file);
// Add the meta-data
wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
/** This action is documented in wp-admin/custom-header.php */
do_action( 'wp_create_file_in_uploads', $file, $id ); // For replication
// return new ID
return $id;
}
/*
* acf_update_nested_array
*
* This function will update a nested array value. Useful for modifying the $_POST array
*
* @type function
* @date 27/10/2014
* @since 5.0.9
*
* @param $array (array) target array to be updated
* @param $ancestors (array) array of keys to navigate through to find the child
* @param $value (mixed) The new value
* @return (boolean)
*/
function acf_update_nested_array( &$array, $ancestors, $value ) {
// if no more ancestors, update the current var
if( empty($ancestors) ) {
$array = $value;
// return
return true;
}
// shift the next ancestor from the array
$k = array_shift( $ancestors );
// if exists
if( isset($array[ $k ]) ) {
return acf_update_nested_array( $array[ $k ], $ancestors, $value );
}
// return
return false;
}
/*
* acf_is_screen
*
* This function will return true if all args are matched for the current screen
*
* @type function
* @date 9/12/2014
* @since 5.1.5
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_is_screen( $id = '' ) {
// bail early if not defined
if( !function_exists('get_current_screen') ) {
return false;
}
// vars
$current_screen = get_current_screen();
// no screen
if( !$current_screen ) {
return false;
// array
} elseif( is_array($id) ) {
return in_array($current_screen->id, $id);
// string
} else {
return ($id === $current_screen->id);
}
}
/*
* acf_maybe_get
*
* This function will return a var if it exists in an array
*
* @type function
* @date 9/12/2014
* @since 5.1.5
*
* @param $array (array) the array to look within
* @param $key (key) the array key to look for. Nested values may be found using '/'
* @param $default (mixed) the value returned if not found
* @return $post_id (int)
*/
function acf_maybe_get( $array = array(), $key = 0, $default = null ) {
return isset( $array[$key] ) ? $array[$key] : $default;
}
function acf_maybe_get_POST( $key = '', $default = null ) {
return isset( $_POST[$key] ) ? $_POST[$key] : $default;
}
function acf_maybe_get_GET( $key = '', $default = null ) {
return isset( $_GET[$key] ) ? $_GET[$key] : $default;
}
/*
* acf_get_attachment
*
* This function will return an array of attachment data
*
* @type function
* @date 5/01/2015
* @since 5.1.5
*
* @param $post (mixed) either post ID or post object
* @return (array)
*/
function acf_get_attachment( $attachment ) {
// get post
if( !$attachment = get_post($attachment) ) {
return false;
}
// validate post_type
if( $attachment->post_type !== 'attachment' ) {
return false;
}
// vars
$sizes_id = 0;
$meta = wp_get_attachment_metadata( $attachment->ID );
$attached_file = get_attached_file( $attachment->ID );
$attachment_url = wp_get_attachment_url( $attachment->ID );
// get mime types
if( strpos( $attachment->post_mime_type, '/' ) !== false ) {
list( $type, $subtype ) = explode( '/', $attachment->post_mime_type );
} else {
list( $type, $subtype ) = array( $attachment->post_mime_type, '' );
}
// vars
$response = array(
'ID' => $attachment->ID,
'id' => $attachment->ID,
'title' => $attachment->post_title,
'filename' => wp_basename( $attached_file ),
'filesize' => 0,
'url' => $attachment_url,
'link' => get_attachment_link( $attachment->ID ),
'alt' => get_post_meta( $attachment->ID, '_wp_attachment_image_alt', true ),
'author' => $attachment->post_author,
'description' => $attachment->post_content,
'caption' => $attachment->post_excerpt,
'name' => $attachment->post_name,
'status' => $attachment->post_status,
'uploaded_to' => $attachment->post_parent,
'date' => $attachment->post_date_gmt,
'modified' => $attachment->post_modified_gmt,
'menu_order' => $attachment->menu_order,
'mime_type' => $attachment->post_mime_type,
'type' => $type,
'subtype' => $subtype,
'icon' => wp_mime_type_icon( $attachment->ID )
);
// filesize
if( isset($meta['filesize']) ) {
$response['filesize'] = $meta['filesize'];
} elseif( file_exists($attached_file) ) {
$response['filesize'] = filesize( $attached_file );
}
// image
if( $type === 'image' ) {
$sizes_id = $attachment->ID;
$src = wp_get_attachment_image_src( $attachment->ID, 'full' );
$response['url'] = $src[0];
$response['width'] = $src[1];
$response['height'] = $src[2];
// video
} elseif( $type === 'video' ) {
// dimensions
$response['width'] = acf_maybe_get($meta, 'width', 0);
$response['height'] = acf_maybe_get($meta, 'height', 0);
// featured image
if( $featured_id = get_post_thumbnail_id($attachment->ID) ) {
$sizes_id = $featured_id;
}
// audio
} elseif( $type === 'audio' ) {
// featured image
if( $featured_id = get_post_thumbnail_id($attachment->ID) ) {
$sizes_id = $featured_id;
}
}
// sizes
if( $sizes_id ) {
// vars
$sizes = get_intermediate_image_sizes();
$data = array();
// loop
foreach( $sizes as $size ) {
$src = wp_get_attachment_image_src( $sizes_id, $size );
$data[ $size ] = $src[0];
$data[ $size . '-width' ] = $src[1];
$data[ $size . '-height' ] = $src[2];
}
// append
$response['sizes'] = $data;
}
// return
return $response;
}
/*
* acf_get_truncated
*
* This function will truncate and return a string
*
* @type function
* @date 8/08/2014
* @since 5.0.0
*
* @param $text (string)
* @param $length (int)
* @return (string)
*/
function acf_get_truncated( $text, $length = 64 ) {
// vars
$text = trim($text);
$the_length = strlen( $text );
// cut
$return = substr( $text, 0, ($length - 3) );
// ...
if( $the_length > ($length - 3) ) {
$return .= '...';
}
// return
return $return;
}
/*
* acf_get_current_url
*
* This function will return the current URL.
*
* @date 23/01/2015
* @since 5.1.5
*
* @param void
* @return string
*/
function acf_get_current_url() {
return ( is_ssl() ? 'https' : 'http' ) . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
}
/*
* acf_current_user_can_admin
*
* This function will return true if the current user can administrate the ACF field groups
*
* @type function
* @date 9/02/2015
* @since 5.1.5
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_current_user_can_admin() {
if( acf_get_setting('show_admin') && current_user_can(acf_get_setting('capability')) ) {
return true;
}
// return
return false;
}
/*
* acf_get_filesize
*
* This function will return a numeric value of bytes for a given filesize string
*
* @type function
* @date 18/02/2015
* @since 5.1.5
*
* @param $size (mixed)
* @return (int)
*/
function acf_get_filesize( $size = 1 ) {
// vars
$unit = 'MB';
$units = array(
'TB' => 4,
'GB' => 3,
'MB' => 2,
'KB' => 1,
);
// look for $unit within the $size parameter (123 KB)
if( is_string($size) ) {
// vars
$custom = strtoupper( substr($size, -2) );
foreach( $units as $k => $v ) {
if( $custom === $k ) {
$unit = $k;
$size = substr($size, 0, -2);
}
}
}
// calc bytes
$bytes = floatval($size) * pow(1024, $units[$unit]);
// return
return $bytes;
}
/*
* acf_format_filesize
*
* This function will return a formatted string containing the filesize and unit
*
* @type function
* @date 18/02/2015
* @since 5.1.5
*
* @param $size (mixed)
* @return (int)
*/
function acf_format_filesize( $size = 1 ) {
// convert
$bytes = acf_get_filesize( $size );
// vars
$units = array(
'TB' => 4,
'GB' => 3,
'MB' => 2,
'KB' => 1,
);
// loop through units
foreach( $units as $k => $v ) {
$result = $bytes / pow(1024, $v);
if( $result >= 1 ) {
return $result . ' ' . $k;
}
}
// return
return $bytes . ' B';
}
/*
* acf_get_valid_terms
*
* This function will replace old terms with new split term ids
*
* @type function
* @date 27/02/2015
* @since 5.1.5
*
* @param $terms (int|array)
* @param $taxonomy (string)
* @return $terms
*/
function acf_get_valid_terms( $terms = false, $taxonomy = 'category' ) {
// force into array
$terms = acf_get_array($terms);
// force ints
$terms = array_map('intval', $terms);
// bail early if function does not yet exist or
if( !function_exists('wp_get_split_term') || empty($terms) ) {
return $terms;
}
// attempt to find new terms
foreach( $terms as $i => $term_id ) {
$new_term_id = wp_get_split_term($term_id, $taxonomy);
if( $new_term_id ) {
$terms[ $i ] = $new_term_id;
}
}
// return
return $terms;
}
/*
* acf_esc_html_deep
*
* Navigates through an array and escapes html from the values.
*
* @type function
* @date 10/06/2015
* @since 5.2.7
*
* @param $value (mixed)
* @return $value
*/
/*
function acf_esc_html_deep( $value ) {
// array
if( is_array($value) ) {
$value = array_map('acf_esc_html_deep', $value);
// object
} elseif( is_object($value) ) {
$vars = get_object_vars( $value );
foreach( $vars as $k => $v ) {
$value->{$k} = acf_esc_html_deep( $v );
}
// string
} elseif( is_string($value) ) {
$value = esc_html($value);
}
// return
return $value;
}
*/
/*
* acf_validate_attachment
*
* This function will validate an attachment based on a field's resrictions and return an array of errors
*
* @type function
* @date 3/07/2015
* @since 5.2.3
*
* @param $attachment (array) attachment data. Cahnges based on context
* @param $field (array) field settings containing restrictions
* @param $context (string) $file is different when uploading / preparing
* @return $errors (array)
*/
function acf_validate_attachment( $attachment, $field, $context = 'prepare' ) {
// vars
$errors = array();
$file = array(
'type' => '',
'width' => 0,
'height' => 0,
'size' => 0
);
// upload
if( $context == 'upload' ) {
// vars
$file['type'] = pathinfo($attachment['name'], PATHINFO_EXTENSION);
$file['size'] = filesize($attachment['tmp_name']);
if( strpos($attachment['type'], 'image') !== false ) {
$size = getimagesize($attachment['tmp_name']);
$file['width'] = acf_maybe_get($size, 0);
$file['height'] = acf_maybe_get($size, 1);
}
// prepare
} elseif( $context == 'prepare' ) {
$file['type'] = pathinfo($attachment['url'], PATHINFO_EXTENSION);
$file['size'] = acf_maybe_get($attachment, 'filesizeInBytes', 0);
$file['width'] = acf_maybe_get($attachment, 'width', 0);
$file['height'] = acf_maybe_get($attachment, 'height', 0);
// custom
} else {
$file = array_merge($file, $attachment);
$file['type'] = pathinfo($attachment['url'], PATHINFO_EXTENSION);
}
// image
if( $file['width'] || $file['height'] ) {
// width
$min_width = (int) acf_maybe_get($field, 'min_width', 0);
$max_width = (int) acf_maybe_get($field, 'max_width', 0);
if( $file['width'] ) {
if( $min_width && $file['width'] < $min_width ) {
// min width
$errors['min_width'] = sprintf(__('Image width must be at least %dpx.', 'acf'), $min_width );
} elseif( $max_width && $file['width'] > $max_width ) {
// min width
$errors['max_width'] = sprintf(__('Image width must not exceed %dpx.', 'acf'), $max_width );
}
}
// height
$min_height = (int) acf_maybe_get($field, 'min_height', 0);
$max_height = (int) acf_maybe_get($field, 'max_height', 0);
if( $file['height'] ) {
if( $min_height && $file['height'] < $min_height ) {
// min height
$errors['min_height'] = sprintf(__('Image height must be at least %dpx.', 'acf'), $min_height );
} elseif( $max_height && $file['height'] > $max_height ) {
// min height
$errors['max_height'] = sprintf(__('Image height must not exceed %dpx.', 'acf'), $max_height );
}
}
}
// file size
if( $file['size'] ) {
$min_size = acf_maybe_get($field, 'min_size', 0);
$max_size = acf_maybe_get($field, 'max_size', 0);
if( $min_size && $file['size'] < acf_get_filesize($min_size) ) {
// min width
$errors['min_size'] = sprintf(__('File size must be at least %s.', 'acf'), acf_format_filesize($min_size) );
} elseif( $max_size && $file['size'] > acf_get_filesize($max_size) ) {
// min width
$errors['max_size'] = sprintf(__('File size must must not exceed %s.', 'acf'), acf_format_filesize($max_size) );
}
}
// file type
if( $file['type'] ) {
$mime_types = acf_maybe_get($field, 'mime_types', '');
// lower case
$file['type'] = strtolower($file['type']);
$mime_types = strtolower($mime_types);
// explode
$mime_types = str_replace(array(' ', '.'), '', $mime_types);
$mime_types = explode(',', $mime_types); // split pieces
$mime_types = array_filter($mime_types); // remove empty pieces
if( !empty($mime_types) && !in_array($file['type'], $mime_types) ) {
// glue together last 2 types
if( count($mime_types) > 1 ) {
$last1 = array_pop($mime_types);
$last2 = array_pop($mime_types);
$mime_types[] = $last2 . ' ' . __('or', 'acf') . ' ' . $last1;
}
$errors['mime_types'] = sprintf(__('File type must be %s.', 'acf'), implode(', ', $mime_types) );
}
}
/**
* Filters the errors for a file before it is uploaded or displayed in the media modal.
*
* @date 3/07/2015
* @since 5.2.3
*
* @param array $errors An array of errors.
* @param array $file An array of data for a single file.
* @param array $attachment An array of attachment data which differs based on the context.
* @param array $field The field array.
* @param string $context The curent context (uploading, preparing)
*/
$errors = apply_filters( "acf/validate_attachment/type={$field['type']}", $errors, $file, $attachment, $field, $context );
$errors = apply_filters( "acf/validate_attachment/name={$field['_name']}", $errors, $file, $attachment, $field, $context );
$errors = apply_filters( "acf/validate_attachment/key={$field['key']}", $errors, $file, $attachment, $field, $context );
$errors = apply_filters( "acf/validate_attachment", $errors, $file, $attachment, $field, $context );
// return
return $errors;
}
/*
* _acf_settings_uploader
*
* Dynamic logic for uploader setting
*
* @type function
* @date 7/05/2015
* @since 5.2.3
*
* @param $uploader (string)
* @return $uploader
*/
add_filter('acf/settings/uploader', '_acf_settings_uploader');
function _acf_settings_uploader( $uploader ) {
// if can't upload files
if( !current_user_can('upload_files') ) {
$uploader = 'basic';
}
// return
return $uploader;
}
/*
* acf_translate_keys
*
* description
*
* @type function
* @date 7/12/2015
* @since 5.3.2
*
* @param $post_id (int)
* @return $post_id (int)
*/
/*
function acf_translate_keys( $array, $keys ) {
// bail early if no keys
if( empty($keys) ) return $array;
// translate
foreach( $keys as $k ) {
// bail ealry if not exists
if( !isset($array[ $k ]) ) continue;
// translate
$array[ $k ] = acf_translate( $array[ $k ] );
}
// return
return $array;
}
*/
/*
* acf_translate
*
* This function will translate a string using the new 'l10n_textdomain' setting
* Also works for arrays which is great for fields - select -> choices
*
* @type function
* @date 4/12/2015
* @since 5.3.2
*
* @param $string (mixed) string or array containins strings to be translated
* @return $string
*/
function acf_translate( $string ) {
// vars
$l10n = acf_get_setting('l10n');
$textdomain = acf_get_setting('l10n_textdomain');
// bail early if not enabled
if( !$l10n ) return $string;
// bail early if no textdomain
if( !$textdomain ) return $string;
// is array
if( is_array($string) ) {
return array_map('acf_translate', $string);
}
// bail early if not string
if( !is_string($string) ) return $string;
// bail early if empty
if( $string === '' ) return $string;
// allow for var_export export
if( acf_get_setting('l10n_var_export') ){
// bail early if already translated
if( substr($string, 0, 7) === '!!__(!!' ) return $string;
// return
return "!!__(!!'" . $string . "!!', !!'" . $textdomain . "!!')!!";
}
// vars
return __( $string, $textdomain );
}
/*
* acf_maybe_add_action
*
* This function will determine if the action has already run before adding / calling the function
*
* @type function
* @date 13/01/2016
* @since 5.3.2
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_maybe_add_action( $tag, $function_to_add, $priority = 10, $accepted_args = 1 ) {
// if action has already run, execute it
// - if currently doing action, allow $tag to be added as per usual to allow $priority ordering needed for 3rd party asset compatibility
if( did_action($tag) && !doing_action($tag) ) {
call_user_func( $function_to_add );
// if action has not yet run, add it
} else {
add_action( $tag, $function_to_add, $priority, $accepted_args );
}
}
/*
* acf_is_row_collapsed
*
* This function will return true if the field's row is collapsed
*
* @type function
* @date 2/03/2016
* @since 5.3.2
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_is_row_collapsed( $field_key = '', $row_index = 0 ) {
// collapsed
$collapsed = acf_get_user_setting('collapsed_' . $field_key, '');
// cookie fallback ( version < 5.3.2 )
if( $collapsed === '' ) {
$collapsed = acf_extract_var($_COOKIE, "acf_collapsed_{$field_key}", '');
$collapsed = str_replace('|', ',', $collapsed);
// update
acf_update_user_setting( 'collapsed_' . $field_key, $collapsed );
}
// explode
$collapsed = explode(',', $collapsed);
$collapsed = array_filter($collapsed, 'is_numeric');
// collapsed class
return in_array($row_index, $collapsed);
}
/*
* acf_get_attachment_image
*
* description
*
* @type function
* @date 24/10/16
* @since 5.5.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_get_attachment_image( $attachment_id = 0, $size = 'thumbnail' ) {
// vars
$url = wp_get_attachment_image_src($attachment_id, 'thumbnail');
$alt = get_post_meta($attachment_id, '_wp_attachment_image_alt', true);
// bail early if no url
if( !$url ) return '';
// return
$value = '<img src="' . $url . '" alt="' . $alt . '" />';
}
/*
* acf_get_post_thumbnail
*
* This function will return a thumbail image url for a given post
*
* @type function
* @date 3/05/2016
* @since 5.3.8
*
* @param $post (obj)
* @param $size (mixed)
* @return (string)
*/
function acf_get_post_thumbnail( $post = null, $size = 'thumbnail' ) {
// vars
$data = array(
'url' => '',
'type' => '',
'html' => ''
);
// post
$post = get_post($post);
// bail early if no post
if( !$post ) return $data;
// vars
$thumb_id = $post->ID;
$mime_type = acf_maybe_get(explode('/', $post->post_mime_type), 0);
// attachment
if( $post->post_type === 'attachment' ) {
// change $thumb_id
if( $mime_type === 'audio' || $mime_type === 'video' ) {
$thumb_id = get_post_thumbnail_id($post->ID);
}
// post
} else {
$thumb_id = get_post_thumbnail_id($post->ID);
}
// try url
$data['url'] = wp_get_attachment_image_src($thumb_id, $size);
$data['url'] = acf_maybe_get($data['url'], 0);
// default icon
if( !$data['url'] && $post->post_type === 'attachment' ) {
$data['url'] = wp_mime_type_icon($post->ID);
$data['type'] = 'icon';
}
// html
$data['html'] = '<img src="' . $data['url'] . '" alt="" />';
// return
return $data;
}
/**
* acf_get_browser
*
* Returns the name of the current browser.
*
* @date 17/01/2014
* @since 5.0.0
*
* @param void
* @return string
*/
function acf_get_browser() {
// Check server var.
if( isset($_SERVER['HTTP_USER_AGENT']) ) {
$agent = $_SERVER['HTTP_USER_AGENT'];
// Loop over search terms.
$browsers = array(
'Firefox' => 'firefox',
'Trident' => 'msie',
'MSIE' => 'msie',
'Edge' => 'edge',
'Chrome' => 'chrome',
'Safari' => 'safari',
);
foreach( $browsers as $k => $v ) {
if( strpos($agent, $k) !== false ) {
return $v;
}
}
}
// Return default.
return '';
}
/*
* acf_is_ajax
*
* This function will reutrn true if performing a wp ajax call
*
* @type function
* @date 7/06/2016
* @since 5.3.8
*
* @param n/a
* @return (boolean)
*/
function acf_is_ajax( $action = '' ) {
// vars
$is_ajax = false;
// check if is doing ajax
if( defined('DOING_AJAX') && DOING_AJAX ) {
$is_ajax = true;
}
// check $action
if( $action && acf_maybe_get($_POST, 'action') !== $action ) {
$is_ajax = false;
}
// return
return $is_ajax;
}
/*
* acf_format_date
*
* This function will accept a date value and return it in a formatted string
*
* @type function
* @date 16/06/2016
* @since 5.3.8
*
* @param $value (string)
* @return $format (string)
*/
function acf_format_date( $value, $format ) {
// bail early if no value
if( !$value ) return $value;
// vars
$unixtimestamp = 0;
// numeric (either unix or YYYYMMDD)
if( is_numeric($value) && strlen($value) !== 8 ) {
$unixtimestamp = $value;
} else {
$unixtimestamp = strtotime($value);
}
// return
return date_i18n($format, $unixtimestamp);
}
/**
* acf_clear_log
*
* Deletes the debug.log file.
*
* @date 21/1/19
* @since 5.7.10
*
* @param type $var Description. Default.
* @return type Description.
*/
function acf_clear_log() {
unlink( WP_CONTENT_DIR . '/debug.log' );
}
/*
* acf_log
*
* description
*
* @type function
* @date 24/06/2016
* @since 5.3.8
*
* @param $post_id (int)
* @return $post_id (int)
*/
function acf_log() {
// vars
$args = func_get_args();
// loop
foreach( $args as $i => $arg ) {
// array | object
if( is_array($arg) || is_object($arg) ) {
$arg = print_r($arg, true);
// bool
} elseif( is_bool($arg) ) {
$arg = 'bool(' . ( $arg ? 'true' : 'false' ) . ')';
}
// update
$args[ $i ] = $arg;
}
// log
error_log( implode(' ', $args) );
}
/**
* acf_dev_log
*
* Used to log variables only if ACF_DEV is defined
*
* @date 25/8/18
* @since 5.7.4
*
* @param mixed
* @return void
*/
function acf_dev_log() {
if( defined('ACF_DEV') && ACF_DEV ) {
call_user_func_array('acf_log', func_get_args());
}
}
/*
* acf_doing
*
* This function will tell ACF what task it is doing
*
* @type function
* @date 28/06/2016
* @since 5.3.8
*
* @param $event (string)
* @param context (string)
* @return n/a
*/
function acf_doing( $event = '', $context = '' ) {
acf_update_setting( 'doing', $event );
acf_update_setting( 'doing_context', $context );
}
/*
* acf_is_doing
*
* This function can be used to state what ACF is doing, or to check
*
* @type function
* @date 28/06/2016
* @since 5.3.8
*
* @param $event (string)
* @param context (string)
* @return (boolean)
*/
function acf_is_doing( $event = '', $context = '' ) {
// vars
$doing = false;
// task
if( acf_get_setting('doing') === $event ) {
$doing = true;
}
// context
if( $context && acf_get_setting('doing_context') !== $context ) {
$doing = false;
}
// return
return $doing;
}
/*
* acf_is_plugin_active
*
* This function will return true if the ACF plugin is active
* - May be included within a theme or other plugin
*
* @type function
* @date 13/07/2016
* @since 5.4.0
*
* @param $basename (int)
* @return $post_id (int)
*/
function acf_is_plugin_active() {
// vars
$basename = acf_get_setting('basename');
// ensure is_plugin_active() exists (not on frontend)
if( !function_exists('is_plugin_active') ) {
include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
}
// return
return is_plugin_active($basename);
}
/*
* acf_send_ajax_results
*
* This function will print JSON data for a Select2 AJAX query
*
* @type function
* @date 19/07/2016
* @since 5.4.0
*
* @param $response (array)
* @return n/a
*/
function acf_send_ajax_results( $response ) {
// validate
$response = wp_parse_args($response, array(
'results' => array(),
'more' => false,
'limit' => 0
));
// limit
if( $response['limit'] && $response['results']) {
// vars
$total = 0;
foreach( $response['results'] as $result ) {
// parent
$total++;
// children
if( !empty($result['children']) ) {
$total += count( $result['children'] );
}
}
// calc
if( $total >= $response['limit'] ) {
$response['more'] = true;
}
}
// return
wp_send_json( $response );
}
/*
* acf_is_sequential_array
*
* This function will return true if the array contains only numeric keys
*
* @source http://stackoverflow.com/questions/173400/how-to-check-if-php-array-is-associative-or-sequential
* @type function
* @date 9/09/2016
* @since 5.4.0
*
* @param $array (array)
* @return (boolean)
*/
function acf_is_sequential_array( $array ) {
// bail ealry if not array
if( !is_array($array) ) return false;
// loop
foreach( $array as $key => $value ) {
// bail ealry if is string
if( is_string($key) ) return false;
}
// return
return true;
}
/*
* acf_is_associative_array
*
* This function will return true if the array contains one or more string keys
*
* @source http://stackoverflow.com/questions/173400/how-to-check-if-php-array-is-associative-or-sequential
* @type function
* @date 9/09/2016
* @since 5.4.0
*
* @param $array (array)
* @return (boolean)
*/
function acf_is_associative_array( $array ) {
// bail ealry if not array
if( !is_array($array) ) return false;
// loop
foreach( $array as $key => $value ) {
// bail ealry if is string
if( is_string($key) ) return true;
}
// return
return false;
}
/*
* acf_add_array_key_prefix
*
* This function will add a prefix to all array keys
* Useful to preserve numeric keys when performing array_multisort
*
* @type function
* @date 15/09/2016
* @since 5.4.0
*
* @param $array (array)
* @param $prefix (string)
* @return (array)
*/
function acf_add_array_key_prefix( $array, $prefix ) {
// vars
$array2 = array();
// loop
foreach( $array as $k => $v ) {
$k2 = $prefix . $k;
$array2[ $k2 ] = $v;
}
// return
return $array2;
}
/*
* acf_remove_array_key_prefix
*
* This function will remove a prefix to all array keys
* Useful to preserve numeric keys when performing array_multisort
*
* @type function
* @date 15/09/2016
* @since 5.4.0
*
* @param $array (array)
* @param $prefix (string)
* @return (array)
*/
function acf_remove_array_key_prefix( $array, $prefix ) {
// vars
$array2 = array();
$l = strlen($prefix);
// loop
foreach( $array as $k => $v ) {
$k2 = (substr($k, 0, $l) === $prefix) ? substr($k, $l) : $k;
$array2[ $k2 ] = $v;
}
// return
return $array2;
}
/*
* acf_strip_protocol
*
* This function will remove the proticol from a url
* Used to allow licences to remain active if a site is switched to https
*
* @type function
* @date 10/01/2017
* @since 5.5.4
* @author Aaron
*
* @param $url (string)
* @return (string)
*/
function acf_strip_protocol( $url ) {
// strip the protical
return str_replace(array('http://','https://'), '', $url);
}
/*
* acf_connect_attachment_to_post
*
* This function will connect an attacment (image etc) to the post
* Used to connect attachements uploaded directly to media that have not been attaced to a post
*
* @type function
* @date 11/01/2017
* @since 5.8.0 Added filter to prevent connection.
* @since 5.5.4
*
* @param int $attachment_id The attachment ID.
* @param int $post_id The post ID.
* @return bool True if attachment was connected.
*/
function acf_connect_attachment_to_post( $attachment_id = 0, $post_id = 0 ) {
// Bail ealry if $attachment_id is not valid.
if( !$attachment_id || !is_numeric($attachment_id) ) {
return false;
}
// Bail ealry if $post_id is not valid.
if( !$post_id || !is_numeric($post_id) ) {
return false;
}
/**
* Filters whether or not to connect the attachment.
*
* @date 8/11/18
* @since 5.8.0
*
* @param bool $bool Returning false will prevent the connection. Default true.
* @param int $attachment_id The attachment ID.
* @param int $post_id The post ID.
*/
if( !apply_filters('acf/connect_attachment_to_post', true, $attachment_id, $post_id) ) {
return false;
}
// vars
$post = get_post( $attachment_id );
// Check if is valid post.
if( $post && $post->post_type == 'attachment' && $post->post_parent == 0 ) {
// update
wp_update_post( array('ID' => $post->ID, 'post_parent' => $post_id) );
// return
return true;
}
// return
return true;
}
/*
* acf_encrypt
*
* This function will encrypt a string using PHP
* https://bhoover.com/using-php-openssl_encrypt-openssl_decrypt-encrypt-decrypt-data/
*
* @type function
* @date 27/2/17
* @since 5.5.8
*
* @param $data (string)
* @return (string)
*/
function acf_encrypt( $data = '' ) {
// bail ealry if no encrypt function
if( !function_exists('openssl_encrypt') ) return base64_encode($data);
// generate a key
$key = wp_hash('acf_encrypt');
// Generate an initialization vector
$iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length('aes-256-cbc'));
// Encrypt the data using AES 256 encryption in CBC mode using our encryption key and initialization vector.
$encrypted_data = openssl_encrypt($data, 'aes-256-cbc', $key, 0, $iv);
// The $iv is just as important as the key for decrypting, so save it with our encrypted data using a unique separator (::)
return base64_encode($encrypted_data . '::' . $iv);
}
/*
* acf_decrypt
*
* This function will decrypt an encrypted string using PHP
* https://bhoover.com/using-php-openssl_encrypt-openssl_decrypt-encrypt-decrypt-data/
*
* @type function
* @date 27/2/17
* @since 5.5.8
*
* @param $data (string)
* @return (string)
*/
function acf_decrypt( $data = '' ) {
// bail ealry if no decrypt function
if( !function_exists('openssl_decrypt') ) return base64_decode($data);
// generate a key
$key = wp_hash('acf_encrypt');
// To decrypt, split the encrypted data from our IV - our unique separator used was "::"
list($encrypted_data, $iv) = explode('::', base64_decode($data), 2);
// decrypt
return openssl_decrypt($encrypted_data, 'aes-256-cbc', $key, 0, $iv);
}
/**
* acf_parse_markdown
*
* A very basic regex-based Markdown parser function based off [slimdown](https://gist.github.com/jbroadway/2836900).
*
* @date 6/8/18
* @since 5.7.2
*
* @param string $text The string to parse.
* @return string
*/
function acf_parse_markdown( $text = '' ) {
// trim
$text = trim($text);
// rules
$rules = array (
'/=== (.+?) ===/' => '<h2>$1</h2>', // headings
'/== (.+?) ==/' => '<h3>$1</h3>', // headings
'/= (.+?) =/' => '<h4>$1</h4>', // headings
'/\[([^\[]+)\]\(([^\)]+)\)/' => '<a href="$2">$1</a>', // links
'/(\*\*)(.*?)\1/' => '<strong>$2</strong>', // bold
'/(\*)(.*?)\1/' => '<em>$2</em>', // intalic
'/`(.*?)`/' => '<code>$1</code>', // inline code
'/\n\*(.*)/' => "\n<ul>\n\t<li>$1</li>\n</ul>", // ul lists
'/\n[0-9]+\.(.*)/' => "\n<ol>\n\t<li>$1</li>\n</ol>", // ol lists
'/<\/ul>\s?<ul>/' => '', // fix extra ul
'/<\/ol>\s?<ol>/' => '', // fix extra ol
);
foreach( $rules as $k => $v ) {
$text = preg_replace($k, $v, $text);
}
// autop
$text = wpautop($text);
// return
return $text;
}
/**
* acf_get_sites
*
* Returns an array of sites for a network.
*
* @date 29/08/2016
* @since 5.4.0
*
* @param void
* @return array
*/
function acf_get_sites() {
$results = array();
$sites = get_sites( array( 'number' => 0 ) );
if( $sites ) {
foreach( $sites as $site ) {
$results[] = get_site( $site )->to_array();
}
}
return $results;
}
/**
* acf_convert_rules_to_groups
*
* Converts an array of rules from ACF4 to an array of groups for ACF5
*
* @date 25/8/18
* @since 5.7.4
*
* @param array $rules An array of rules.
* @param string $anyorall The anyorall setting used in ACF4. Defaults to 'any'.
* @return array
*/
function acf_convert_rules_to_groups( $rules, $anyorall = 'any' ) {
// vars
$groups = array();
$index = 0;
// loop
foreach( $rules as $rule ) {
// extract vars
$group = acf_extract_var( $rule, 'group_no' );
$order = acf_extract_var( $rule, 'order_no' );
// calculate group if not defined
if( $group === null ) {
$group = $index;
// use $anyorall to determine if a new group is needed
if( $anyorall == 'any' ) {
$index++;
}
}
// calculate order if not defined
if( $order === null ) {
$order = isset($groups[ $group ]) ? count($groups[ $group ]) : 0;
}
// append to group
$groups[ $group ][ $order ] = $rule;
// sort groups
ksort( $groups[ $group ] );
}
// sort groups
ksort( $groups );
// return
return $groups;
}
/**
* acf_register_ajax
*
* Regsiters an ajax callback.
*
* @date 5/10/18
* @since 5.7.7
*
* @param string $name The ajax action name.
* @param array $callback The callback function or array.
* @param bool $public Whether to allow access to non logged in users.
* @return void
*/
function acf_register_ajax( $name = '', $callback = false, $public = false ) {
// vars
$action = "acf/ajax/$name";
// add action for logged-in users
add_action( "wp_ajax_$action", $callback );
// add action for non logged-in users
if( $public ) {
add_action( "wp_ajax_nopriv_$action", $callback );
}
}
/**
* acf_str_camel_case
*
* Converts a string into camelCase.
* Thanks to https://stackoverflow.com/questions/31274782/convert-array-keys-from-underscore-case-to-camelcase-recursively
*
* @date 24/10/18
* @since 5.8.0
*
* @param string $string The string ot convert.
* @return string
*/
function acf_str_camel_case( $string = '' ) {
return lcfirst(str_replace(' ', '', ucwords(str_replace('_', ' ', $string))));
}
/**
* acf_array_camel_case
*
* Converts all aray keys to camelCase.
*
* @date 24/10/18
* @since 5.8.0
*
* @param array $array The array to convert.
* @return array
*/
function acf_array_camel_case( $array = array() ) {
$array2 = array();
foreach( $array as $k => $v ) {
$array2[ acf_str_camel_case($k) ] = $v;
}
return $array2;
}
/**
* acf_is_block_editor
*
* Returns true if the current screen uses the block editor.
*
* @date 13/12/18
* @since 5.8.0
*
* @param void
* @return bool
*/
function acf_is_block_editor() {
if( function_exists('get_current_screen') ) {
$screen = get_current_screen();
if( method_exists($screen, 'is_block_editor') ) {
return $screen->is_block_editor();
}
}
return false;
}
?>