ozee31

/**
 * Checks if a value exists in an array
 * @param  {mixed} needle   : The searched value
 * @param  {array} haystack : The array
 * @return {bool}
 */
var in_array = (function (needle, haystack) {
    return ( haystack.indexOf(needle) !== -1 );
});

ozee31

/**
 * Remove all occurrences of a given value from an array
 * @param  {mixed} val : value to delete
 */
Array.prototype.unset = function(val){
	var index;

	while ( (index = this.indexOf(val)) !== -1 ) {
		this.splice(index,1);
	}

ozee31

<?php
/**
 * Returns the level of depth of an array
 * @param  array  $array
 * @param  integer $level : do not use, just used for recursivity
 * @return int : depth
 */
function array_depth($array, $level = 0) {

	if ( ! $array )