Edit: array_unique

Function:	array_unique View array_unique Edit array_unique Edit code Edit tests Edit benchmark View latest code Edit latest code Benchmark array_unique Comment on array_unique Comment on the latest code View revisions View versions View contributors View dependencies View comments View links Download production code Download development code View the PHP docs View phpjs.org View phpjs.org raw code
Description:	Removes duplicate values from array.

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Code:	function array_unique (inputArr) { // http://jsphp.co/jsphp/fn/view/array_unique // + original by: Carlos R. L. Rodrigues (http://www.jsfromhell.com) // + input by: duncan // + bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) // + bugfixed by: Nate // + input by: Brett Zamir (http://brett-zamir.me) // + bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) // + improved by: Michael Grier // + bugfixed by: Brett Zamir (http://brett-zamir.me) // % note 1: The second argument, sort_flags is not implemented; // % note 1: also should be sorted (asort?) first according to docs // * example 1: array_unique(['Kevin','Kevin','van','Zonneveld','Kevin']); // * returns 1: {0: 'Kevin', 2: 'van', 3: 'Zonneveld'} // * example 2: array_unique({'a': 'green', 0: 'red', 'b': 'green', 1: 'blue', 2: 'red'}); // * returns 2: {a: 'green', 0: 'red', 1: 'blue'} var key = '', tmp_arr2 = {}, val = ''; var __array_search = function (needle, haystack) { var fkey = ''; for (fkey in haystack) { if (haystack.hasOwnProperty(fkey)) { if ((haystack[fkey] + '') === (needle + '')) { return fkey; } } } return false; }; for (key in inputArr) { if (inputArr.hasOwnProperty(key)) { val = inputArr[key]; if (false === __array_search(val, tmp_arr2)) { tmp_arr2[key] = val; } } } return tmp_arr2; }
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