Edit: reset

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Description:	Set array argument's internal pointer to the first element and return it.

Edit function

Code:	function reset (arr) { // http://jsphp.co/jsphp/fn/view/reset // + original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) // + bugfixed by: Legaev Andrey // + revised by: Brett Zamir (http://brett-zamir.me) // % note 1: Uses global: php_js to store the array pointer // * example 1: reset({0: 'Kevin', 1: 'van', 2: 'Zonneveld'}); // * returns 1: 'Kevin' // BEGIN REDUNDANT this.php_js = this.php_js || {}; this.php_js.pointers = this.php_js.pointers || []; var indexOf = function (value) { for (var i = 0, length = this.length; i < length; i++) { if (this[i] === value) { return i; } } return -1; }; // END REDUNDANT var pointers = this.php_js.pointers; if (!pointers.indexOf) { pointers.indexOf = indexOf; } if (pointers.indexOf(arr) === -1) { pointers.push(arr, 0); } var arrpos = pointers.indexOf(arr); if (Object.prototype.toString.call(arr) !== '[object Array]') { for (var k in arr) { if (pointers.indexOf(arr) === -1) { pointers.push(arr, 0); } else { pointers[arrpos + 1] = 0; } return arr[k]; } return false; // Empty } if (arr.length === 0) { return false; } pointers[arrpos + 1] = 0; return arr[pointers[arrpos + 1]]; }
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