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<?php
/**
* Helper functions for magic tag parsing
*
* @package Caldera_Forms
* @author Josh Pollock <[email protected]>
* @license GPL-2.0+
* @link
* @copyright 2017 CalderaWP LLC
*/
class Caldera_Forms_Magic_Util {
/**
* Find field based on field magic tags
*
* @since 1.5.0
*
* @param string $field_magic
* @param array $form Optional. Form config.
*
* @return bool|mixed|void
*/
public static function find_field( $field_magic, $form = array() ) {
if( empty( $form ) ){
global $form;
}
$part_tags = self::split_tags( $field_magic );
if ( ! empty( $part_tags[1] ) ) {
$tag = $part_tags[0];
}else{
$tag = $field_magic;
}
return Caldera_Forms_Field_Util::get_field_by_slug( $tag, $form );
}
/**
* Prepare a magic tag that uses brackets
*
* @since 1.5.0
*
* @param $value
*
* @return array
*/
public static function explode_bracket_magic( $value ){
preg_match_all( "/\{(.+?)\}/", $value, $matches );
return $matches;
}
/**
* Prepare a magic tag that uses % %
*
* @since 1.5.0
*
* @param $value
*
* @return array
*/
public static function explode_field_magic( $value ){
$regex = "/%([a-zA-Z0-9_:]*)%/";
preg_match_all( $regex, $value, $matches );
return $matches;
}
/**
* Split tags by colon
*
* @since 1.5.0
*
* @param string $field_magic
*
* @return array
*/
public static function split_tags( $field_magic ){
$part_tags = explode( ':', $field_magic );
return $part_tags;
}
}