Online PHP editor | perf for ais5q

@ 2014-05-08T10:52:40Z

<?php
    $letters = array('a','b','c','d','e','f','g','h');
    $array = array();    
    // mt_rand used just for filling array, it may be filled manually if neccessary
    for ($i=0; $i< 200; ++$i) {
        $array[] = $letters[mt_rand(0,count($letters)-1)];                
    }    
    for ($i=0; $i< 10000; ++$i) {
        echo randTest($array)."<br />";                
    }    
    function randTest($array) {    
        $out = array();        
        while (count($array) > 0) {
            $index = array_rand($array,1);
            $out[] = $array[$index];
            unset($array[$index]);                        
        }        
        return implode('', $out);
    }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
7.2.10	0.079	0.017	14.93
7.2.9	0.071	0.015	14.84
7.2.8	0.081	0.016	14.42
7.2.7	0.076	0.008	15.18
7.2.6	0.071	0.021	14.84
7.2.5	0.012	0.012	14.93
7.2.4	0.064	0.014	14.84
7.1.22	0.077	0.007	13.68
7.1.21	0.058	0.010	13.77
7.1.20	0.073	0.011	13.34
7.1.19	0.067	0.014	13.95
7.1.18	0.080	0.016	13.90
7.1.17	0.005	0.018	14.03
7.0.31	0.087	0.034	13.54
7.0.30	0.078	0.031	13.59
5.6.38	0.013	0.036	14.37
5.6.37	0.011	0.043	14.45
5.6.36	0.011	0.044	14.27

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