Edit array_diff_ukey | JsPHP: a JavaScript library providing the PHP API

Edit: array_diff_ukey

Function:

Description:

Returns the entries of arr1 that have keys which are not present in any of the others arguments. User supplied function is used for comparing the keys. This function is like array_udiff() but works on the keys instead of the values. The associativity is preserved.

Edit function

Code:	function array_diff_ukey (arr1) { // http://jsphp.co/jsphp/fn/view/array_diff_ukey // + original by: Brett Zamir (http://brett-zamir.me) // * example 1: $array1 = {blue: 1, red: 2, green: 3, purple: 4} // * example 1: $array2 = {green: 5, blue: 6, yellow: 7, cyan: 8} // * example 1: array_diff_ukey($array1, $array2, function (key1, key2){ return (key1 == key2 ? 0 : (key1 > key2 ? 1 : -1)); }); // * returns 1: {red: 2, purple: 4} var retArr = {}, arglm1 = arguments.length - 1, cb = arguments[arglm1], arr = {}, i = 1, k1 = '', k = ''; cb = (typeof cb === 'string') ? this.window[cb] : (Object.prototype.toString.call(cb) === '[object Array]') ? this.window[cb[0]][cb[1]] : cb; arr1keys: for (k1 in arr1) { for (i = 1; i < arglm1; i++) { arr = arguments[i]; for (k in arr) { if (cb(k, k1) === 0) { // If it reaches here, it was found in at least one array, so try next value continue arr1keys; } } retArr[k1] = arr1[k1]; } } return retArr; }
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