3v4l.org

run code in 300+ PHP versions simultaneously
<?php // palindrom function anagram($s1, $s2) { $l1 = strlen($s1); $l2 = strlen($s2); if($l1 != $l2) return false; // $w1 = array(); $w2 = array(); // for($a=0; $a<$l1; $a++) { if(array_key_exists($s1[$a], $w1)) { $w1[$s1[$a]] = $w1[$s1[$a]] + 1; // print_r($s1[$a]); } else { $w1[$s1[$a]] = 1; } } // print_r($w1); for($a=0; $a<$l2; $a++) { if(array_key_exists($s2[$a], $w2)) { $w2[$s2[$a]] = $w2[$s2[$a]] + 1; print_r($s2[$a]); } else { $w2[$s2[$a]] = 1; } } ksort($w1); ksort($w2); print_r($w1); print_r($w2); print_r(array_diff(array_keys($w1, $w2)); } echo anagram('test', 'test'); //print_r(array('tesfsdf' => 'dasdsad')); ?>

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).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.150.0080.04012.40
5.4.140.0070.04212.10
5.4.130.0090.04312.08
5.4.120.0080.04612.04
5.4.110.0080.04512.04
5.4.100.0070.04012.04
5.4.90.0070.03912.04
5.4.80.0070.04212.04
5.4.70.0060.03912.03
5.4.60.0090.04212.03
5.4.50.0090.04212.03
5.4.40.0080.04112.02
5.4.30.0060.03912.02
5.4.20.0070.04112.01
5.4.10.0080.03912.02
5.4.00.0080.04011.51
5.3.250.0060.04912.72
5.3.240.0070.04712.72
5.3.230.0060.04412.71
5.3.220.0070.04512.68
5.3.210.0070.04212.68
5.3.200.0040.04012.68
5.3.190.0080.03712.68
5.3.180.0070.04212.67
5.3.170.0070.04212.67
5.3.160.0070.05312.67
5.3.150.0080.04412.67
5.3.140.0080.04212.66
5.3.130.0080.04912.66
5.3.120.0050.04712.66
5.3.110.0060.04412.66
5.3.100.0060.04312.13
5.3.90.0050.04212.12
5.3.80.0070.04312.10
5.3.70.0070.04312.11
5.3.60.0060.03712.09
5.3.50.0060.03712.04
5.3.40.0060.03712.04
5.3.30.0060.03412.00

preferences:
140.57 ms | 1386 KiB | 7 Q