File "array.php"

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Charset: utf-8

<?php
/**
 * Array helper functions.
 *
 * @package Meta Box
 */

/**
 * Array helper class.
 *
 * @package Meta Box
 */
class RWMB_Helpers_Array {
	/**
	 * Convert a comma separated string to array.
	 *
	 * @param string $csv Comma separated string.
	 * @return array
	 */
	public static function from_csv( $csv ) {
		return is_array( $csv ) ? $csv : array_filter( array_map( 'trim', explode( ',', $csv . ',' ) ) );
	}

	/**
	 * Change array key.
	 *
	 * @param  array  $array Input array.
	 * @param  string $from  From key.
	 * @param  string $to    To key.
	 */
	public static function change_key( &$array, $from, $to ) {
		if ( isset( $array[ $from ] ) ) {
			$array[ $to ] = $array[ $from ];
		}
		unset( $array[ $from ] );
	}
}