Online PHP editor | perf for oqW81

@ 2012-11-30T13:16:47Z

<?php

//echo date('r', strtotime('last sunday', strtotime('6 April 1991')));

function align_timestamp_to($stamp, $unit, $past){ // timestamp, unit string, start/end
	static $modes = array(
        'week' => 'last monday'
        'month' => 'first day of month'
    );
    // TODO error out if unknown $unit
    $offset = $modes[$unit];
    if($past == 'end')$offset = '+1 '.$unit.' '.$offset;
    $new = strtotime($offset, $stamp);
}

foreach(array(
    array(strtotime('4 Apr 2012'), 'week', 'start'),
    array(strtotime('4 Apr 2012'), 'week', 'end'),
) as $test)echo date('r', $test[0]).' aligned '.$test[2].' of '.$test[1].' yields '.date('r', align_timestamp_to($test[0], $test[1], $test[2]));

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)
5.4.9	0.040	0.052	13.56
5.4.8	0.039	0.047	13.54
5.4.7	0.029	0.044	13.47
5.4.6	0.034	0.043	13.53
5.4.5	0.033	0.046	13.47
5.4.4	0.031	0.042	13.47
5.4.3	0.032	0.041	13.54
5.4.2	0.031	0.045	13.54
5.4.1	0.046	0.046	13.53
5.4.0	0.037	0.047	12.95
5.3.19	0.049	0.057	13.31
5.3.18	0.035	0.047	13.26
5.3.17	0.038	0.040	13.38
5.3.16	0.035	0.045	13.32
5.3.15	0.035	0.048	13.35
5.3.14	0.036	0.044	13.30
5.3.13	0.038	0.046	13.25
5.3.12	0.043	0.044	13.32
5.3.11	0.038	0.059	13.29
5.3.10	0.036	0.050	12.84
5.3.9	0.029	0.047	12.69
5.3.8	0.038	0.045	12.71
5.3.7	0.032	0.048	12.70
5.3.6	0.036	0.045	12.74
5.3.5	0.036	0.051	12.63
5.3.4	0.041	0.048	12.64
5.3.3	0.042	0.055	12.67
5.3.2	0.038	0.042	12.41
5.3.1	0.041	0.041	12.32
5.3.0	0.033	0.046	12.32

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