<?php
function wpcf7_contact_form( $id ) {
return WPCF7_ContactForm::get_instance( $id );
}
function wpcf7_get_contact_form_by_old_id( $old_id ) {
global $wpdb;
$q = "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_old_cf7_unit_id'"
. $wpdb->prepare( " AND meta_value = %d", $old_id );
if ( $new_id = $wpdb->get_var( $q ) ) {
return wpcf7_contact_form( $new_id );
}
}
function wpcf7_get_contact_form_by_title( $title ) {
$page = get_page_by_title( $title, OBJECT, WPCF7_ContactForm::post_type );
if ( $page ) {
return wpcf7_contact_form( $page->ID );
}
return null;
}
function wpcf7_get_current_contact_form() {
if ( $current = WPCF7_ContactForm::get_current() ) {
return $current;
}
}
function wpcf7_is_posted() {
if ( ! $contact_form = wpcf7_get_current_contact_form() ) {
return false;
}
return $contact_form->is_posted();
}
function wpcf7_get_hangover( $name, $default = null ) {
if ( ! wpcf7_is_posted() ) {
return $default;
}
$submission = WPCF7_Submission::get_instance();
if ( ! $submission
or $submission->is( 'mail_sent' ) ) {
return $default;
}
return isset( $_POST[$name] ) ? wp_unslash( $_POST[$name] ) : $default;
}
function wpcf7_get_validation_error( $name ) {
if ( ! $contact_form = wpcf7_get_current_contact_form() ) {
return '';
}
return $contact_form->validation_error( $name );
}
function wpcf7_get_validation_error_reference( $name ) {
$contact_form = wpcf7_get_current_contact_form();
if ( $contact_form and $contact_form->validation_error( $name ) ) {
return sprintf(
'%1$s-ve-%2$s',
$contact_form->unit_tag(),
$name
);
}
}
function wpcf7_get_message( $status ) {
if ( ! $contact_form = wpcf7_get_current_contact_form() ) {
return '';
}
return $contact_form->message( $status );
}
function wpcf7_form_controls_class( $type, $default = '' ) {
$type = trim( $type );
$default = array_filter( explode( ' ', $default ) );
$classes = array_merge( array( 'wpcf7-form-control' ), $default );
$typebase = rtrim( $type, '*' );
$required = ( '*' == substr( $type, -1 ) );
$classes[] = 'wpcf7-' . $typebase;
if ( $required ) {
$classes[] = 'wpcf7-validates-as-required';
}
$classes = array_unique( $classes );
return implode( ' ', $classes );
}
function wpcf7_contact_form_tag_func( $atts, $content = null, $code = '' ) {
if ( is_feed() ) {
return '[contact-form-7]';
}
if ( 'contact-form-7' == $code ) {
$atts = shortcode_atts(
array(
'id' => 0,
'title' => '',
'html_id' => '',
'html_name' => '',
'html_class' => '',
'output' => 'form',
),
$atts, 'wpcf7'
);
$id = (int) $atts['id'];
$title = trim( $atts['title'] );
if ( ! $contact_form = wpcf7_contact_form( $id ) ) {
$contact_form = wpcf7_get_contact_form_by_title( $title );
}
} else {
if ( is_string( $atts ) ) {
$atts = explode( ' ', $atts, 2 );
}
$id = (int) array_shift( $atts );
$contact_form = wpcf7_get_contact_form_by_old_id( $id );
}
if ( ! $contact_form ) {
return sprintf(
'[contact-form-7 404 "%s"]',
esc_html( __( 'Not Found', 'contact-form-7' ) )
);
}
return $contact_form->form_html( $atts );
}
function wpcf7_save_contact_form( $args = '', $context = 'save' ) {
$args = wp_parse_args( $args, array(
'id' => -1,
'title' => null,
'locale' => null,
'form' => null,
'mail' => null,
'mail_2' => null,
'messages' => null,
'additional_settings' => null,
) );
$args = wp_unslash( $args );
$args['id'] = (int) $args['id'];
if ( -1 == $args['id'] ) {
$contact_form = WPCF7_ContactForm::get_template();
} else {
$contact_form = wpcf7_contact_form( $args['id'] );
}
if ( empty( $contact_form ) ) {
return false;
}
if ( null !== $args['title'] ) {
$contact_form->set_title( $args['title'] );
}
if ( null !== $args['locale'] ) {
$contact_form->set_locale( $args['locale'] );
}
$properties = array();
if ( null !== $args['form'] ) {
$properties['form'] = wpcf7_sanitize_form( $args['form'] );
}
if ( null !== $args['mail'] ) {
$properties['mail'] = wpcf7_sanitize_mail( $args['mail'] );
$properties['mail']['active'] = true;
}
if ( null !== $args['mail_2'] ) {
$properties['mail_2'] = wpcf7_sanitize_mail( $args['mail_2'] );
}
if ( null !== $args['messages'] ) {
$properties['messages'] = wpcf7_sanitize_messages( $args['messages'] );
}
if ( null !== $args['additional_settings'] ) {
$properties['additional_settings'] = wpcf7_sanitize_additional_settings(
$args['additional_settings']
);
}
$contact_form->set_properties( $properties );
do_action( 'wpcf7_save_contact_form', $contact_form, $args, $context );
if ( 'save' == $context ) {
$contact_form->save();
}
return $contact_form;
}
function wpcf7_sanitize_form( $input, $default = '' ) {
if ( null === $input ) {
return $default;
}
$output = trim( $input );
if ( ! current_user_can( 'unfiltered_html' ) ) {
$output = wpcf7_kses( $output, 'form' );
}
return $output;
}
function wpcf7_sanitize_mail( $input, $defaults = array() ) {
$input = wp_parse_args( $input, array(
'active' => false,
'subject' => '',
'sender' => '',
'recipient' => '',
'body' => '',
'additional_headers' => '',
'attachments' => '',
'use_html' => false,
'exclude_blank' => false,
) );
$input = wp_parse_args( $input, $defaults );
$output = array();
$output['active'] = (bool) $input['active'];
$output['subject'] = trim( $input['subject'] );
$output['sender'] = trim( $input['sender'] );
$output['recipient'] = trim( $input['recipient'] );
$output['body'] = trim( $input['body'] );
if ( ! current_user_can( 'unfiltered_html' ) ) {
$output['body'] = wpcf7_kses( $output['body'], 'mail' );
}
$output['additional_headers'] = '';
$headers = str_replace( "\r\n", "\n", $input['additional_headers'] );
$headers = explode( "\n", $headers );
foreach ( $headers as $header ) {
$header = trim( $header );
if ( '' !== $header ) {
$output['additional_headers'] .= $header . "\n";
}
}
$output['additional_headers'] = trim( $output['additional_headers'] );
$output['attachments'] = trim( $input['attachments'] );
$output['use_html'] = (bool) $input['use_html'];
$output['exclude_blank'] = (bool) $input['exclude_blank'];
return $output;
}
function wpcf7_sanitize_messages( $input, $defaults = array() ) {
$output = array();
foreach ( wpcf7_messages() as $key => $val ) {
if ( isset( $input[$key] ) ) {
$output[$key] = trim( $input[$key] );
} elseif ( isset( $defaults[$key] ) ) {
$output[$key] = $defaults[$key];
}
}
return $output;
}
function wpcf7_sanitize_additional_settings( $input, $default = '' ) {
if ( null === $input ) {
return $default;
}
$output = trim( $input );
return $output;
}