<?php
class ValidatorWpf {
public static $errors = array();
public static function validate( $field, $label = '', $validate = array() ) {
self::$errors = array();
if (is_object($field) && get_class($field) != 'FieldWpf') {
$value = $field;
$field = new FieldWpf('noMatter');
$field->label = $label;
$field->setValue($value);
$field->setValidation($validate);
}
if (!empty($field->validate)) {
foreach ($field->validate as $v) {
if (method_exists('ValidatorWpf', $v)) {
self::$v($field);
}
}
}
if (method_exists('ValidatorWpf', $field->type)) {
$validate = $field->type;
self::$validate($field);
}
if ($field->maxlen) {
self::validLen($field);
}
return self::$errors;
}
public static function validLen( $field, $label = '', $validate = array() ) {
if ( !(bool) ( strlen($field->value) <= $field->maxlen ) ) {
/* translators: 1: label 2: max length */
self::addError(esc_html(sprintf(__('Invalid length for %1$s, max length is %2$s'), $field->label, $field->maxlen)), $field->name);
return false;
}
return true;
}
public static function _( $field ) {
return self::validate($field);
}
public static function getErrors() {
return self::$errors;
}
public static function numeric( $field ) {
if (!is_numeric($field->value) && !empty($field->value)) {
/* translators: %s: label */
self::addError(esc_html(sprintf(__('Invalid numeric value for %s'), $field->label)), $field->name);
return false;
}
return true;
}
public static function int( $field ) {
return self::numeric($field);
}
public static function float( $field ) {
return self::numeric($field);
}
public static function double( $field ) {
return self::numeric($field);
}
protected static function _notEmpty( $value ) {
if (is_array($value)) {
foreach ($value as $v) {
if (self::_notEmpty($v)) { //If at least 1 element of array are not empty - all array will be not empty
$res = true;
break;
}
}
} else {
$res = !empty($value);
}
return $res;
}
public static function notEmpty( $field ) {
if (!self::_notEmpty($field->value)) {
/* translators: %s: label */
self::addError(esc_html(sprintf(__('Please enter %s'), $field->label)), $field->name);
return false;
}
return true;
}
public static function selectNotEmpty( $field ) {
if (empty($field->value)) {
/* translators: %s: label */
self::addError(esc_html(sprintf(__('Please select %s'), $field->label)), $field->name);
return false;
}
return true;
}
public static function email( $field ) {
if (!is_email($field->value)) {
/* translators: %s: label */
self::addError(esc_html(sprintf(__('Invalid %s'), $field->label)), $field->name);
return false;
} elseif (email_exists($field->value)) {
/* translators: %s: label */
self::addError(esc_html(sprintf(__('%s is already registered'), $field->label)), $field->name);
return false;
}
return true;
}
public static function addError( $error, $key = '' ) {
if ($key) {
self::$errors[$key] = $error;
} else {
self::$errors[] = $error;
}
}
public static function string( $field ) {
if (preg_match('/([0-9].*)/', $field->value)) {
/* translators: %s: label */
self::addError(esc_html(sprintf(__('Invalid %s'), $field->label)), $field->name);
return false;
}
return true;
}
public static function getProductValidationMethods() {
$res = array();
$all = get_class_methods('ValidatorWpf');
foreach ($all as $m) {
if (in_array($m, array('int', 'none', 'string'))) {
$res[$m] = esc_html__($m);
}
}
return $res;
}
public static function getUserValidationMethods() {
// here validation for user fields
$res = array();
$all = get_class_methods('ValidatorWpf');
foreach ($all as $m) {
if (in_array($m, array('int', 'none', 'string', 'email', 'validLen'))) {
$res[$m] = esc_html__($m);
}
}
return $res;
}
public static function prepareInput( $input ) {
global $wpdb;
if (is_array($input)) {
return array_map(array(validator, 'prepareInput'), $input);
} else {
return $wpdb->_real_escape($input);
}
}
}