Edit: array_reduce

Function:	array_reduce View array_reduce Edit array_reduce Edit code Edit tests Edit benchmark View latest code Edit latest code Benchmark array_reduce Comment on array_reduce 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:	Iteratively reduce the array to a single value via the callback.

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Code:	function array_reduce (a_input, callback) { // http://jsphp.co/jsphp/fn/view/array_reduce // + original by: Alfonso Jimenez (http://www.alfonsojimenez.com) // % note 1: Takes a function as an argument, not a function's name // * example 1: array_reduce([1, 2, 3, 4, 5], function (v, w){v += w;return v;}); // * returns 1: 15 var lon = a_input.length; var res = 0, i = 0; var tmp = []; for (i = 0; i < lon; i += 2) { tmp[0] = a_input[i]; if (a_input[(i + 1)]) { tmp[1] = a_input[(i + 1)]; } else { tmp[1] = 0; } res += callback.apply(null, tmp); tmp = []; } return res; }
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