3v4l.org

run code in 300+ PHP versions simultaneously
<?php function swap(&$arr, $i, $j) { $temp = $arr[$i]; $arr[$i] = $arr[$j]; $arr[$j] = $temp; } function quicksort(&$arr, $left, $right) { $pivot = $arr[($left + $right) >> 1]; $i = $left; $j = $right; while ($i <= $j) { while ($arr[$i] < $pivot) { $i++; } while ($arr[$j] > $pivot) { $j--; } if ($i <= $j) { swap($arr, $i++, $j--); } } if ($left < $j) { quicksort($arr, $left, $j); } if ($i < $right) { quicksort($arr, $i, $right); } } function qsort($len) { // Sample data $arr = array(); for ($i = 0 ; $i < $len ; $i++) { $arr[$i] = floor(rand(0, $len)); if ($i % 2 == 0) { $arr[$i] = -1 * $arr[$i]; } } $start = microtime(true); quicksort($arr, 0, count($arr) - 1); $diff = microtime(true) - $start; for ($i = 1 ; $i < count($arr) ; $i++) { if ($arr[$i-1] > $arr[$i]) { die("failed to sort!!"); } } return $diff; } if (count($argv) != 2) { die("usage: php -q quicksort.php ARRAY_LENGTH"); } $len = 100; $min = 0; for ($i = 0 ; $i < 3 ; $i++) { $time = qsort($len); if ($time < $min) { $min = $time; } } echo "PHP quicksort: " . round($min*1000) . " ms (" . $len . ")\n" ;

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)
7.1.70.0000.00717.13
7.1.60.0030.02019.40
7.1.50.0100.01416.73
7.1.00.0000.04322.41
7.0.200.0050.00216.88
7.0.140.0070.07022.09
7.0.120.0070.07022.04
7.0.60.0100.08019.82
7.0.50.0130.08017.89
7.0.40.0030.05320.30
7.0.30.0270.07020.23
7.0.20.0200.04320.33
7.0.10.0000.05320.22
7.0.00.0070.04020.05
5.6.280.0000.07721.16
5.6.210.0070.03720.76
5.6.200.0130.06718.20
5.6.190.0070.08720.42
5.6.180.0300.04320.50
5.6.170.0270.07020.56
5.6.160.0200.07020.48
5.6.150.0170.07018.15
5.6.140.0030.04718.18
5.6.130.0070.08018.11
5.6.120.0100.04720.99
5.6.110.0070.04021.01
5.6.100.0130.07721.00
5.6.90.0130.07721.01
5.6.80.0030.08320.52
5.5.350.0000.04320.31
5.5.340.0100.07718.02
5.5.330.0100.03720.25
5.5.320.0200.04720.42
5.5.310.0270.06720.24
5.5.300.0030.06017.95
5.5.290.0070.04718.08
5.5.280.0070.07720.74
5.5.270.0000.09020.97
5.5.260.0070.08720.88
5.5.250.0070.06320.80
5.5.240.0130.06720.27
5.4.450.0200.06719.45
5.4.440.0070.03719.57
5.4.430.0030.07319.30
5.4.420.0030.07719.34
5.4.410.0030.07019.20
5.4.400.0070.08018.86
5.4.390.0030.04718.85
5.4.380.0330.04719.24
5.4.370.0000.05019.24
5.4.360.0070.03719.20
5.4.350.0000.04319.16
5.4.340.0030.04719.24
5.4.320.0100.07719.12
5.4.310.0070.04019.16
5.4.300.0070.07019.14
5.4.290.0000.08019.11
5.4.280.0100.04718.85
5.4.270.0030.08319.24
5.4.260.0070.07719.16
5.4.250.0100.06718.87
5.4.240.0030.05019.11
5.4.230.0070.04719.15
5.4.220.0170.07018.85
5.4.210.0100.04319.14
5.4.200.0100.06719.13
5.4.190.0070.03718.84
5.4.180.0070.03718.84
5.4.170.0170.06719.20
5.4.160.0030.06018.92
5.4.150.0230.06019.06
5.4.140.0130.07016.46
5.4.130.0070.07016.42
5.4.120.0070.07316.55
5.4.110.0100.06016.32
5.4.100.0170.06016.48
5.4.90.0130.06316.48
5.4.80.0030.03716.31
5.4.70.0100.07016.57
5.4.60.0170.06316.27
5.4.50.0030.06016.34
5.4.40.0030.08016.27
5.4.30.0130.06016.38
5.4.20.0200.06016.25
5.4.10.0070.03716.27
5.4.00.0070.04715.87
5.3.290.0070.03714.82
5.3.280.0100.05014.66
5.3.270.0130.05014.69
5.3.260.0070.08014.62
5.3.250.0030.04714.67
5.3.240.0070.07714.69
5.3.230.0170.06714.68
5.3.220.0030.05314.62
5.3.210.0100.07314.63
5.3.200.0030.07714.61
5.3.190.0070.08014.60
5.3.180.0070.07014.57
5.3.170.0030.08014.63
5.3.160.0070.07014.46
5.3.150.0070.04314.59
5.3.140.0130.06014.57
5.3.130.0130.06014.57
5.3.120.0000.05714.61
5.3.110.0170.04714.74
5.3.100.0100.03714.21
5.3.90.0030.07714.18
5.3.80.0100.07014.03
5.3.70.0070.05314.00
5.3.60.0070.03714.17
5.3.50.0030.07714.13
5.3.40.0130.04714.13
5.3.30.0030.08313.95
5.3.20.0100.07013.71
5.3.10.0070.04313.81
5.3.00.0100.06713.81
5.2.170.0070.02711.11
5.2.160.0030.03011.21
5.2.150.0000.03311.32
5.2.140.0070.05311.34
5.2.130.0030.03011.12
5.2.120.0030.03711.08
5.2.110.0030.05711.18
5.2.100.0000.03711.21
5.2.90.0030.03711.15
5.2.80.0130.03311.12
5.2.70.0070.05011.11
5.2.60.0070.04710.96
5.2.50.0030.03711.05
5.2.40.0130.04010.93
5.2.30.0070.06011.03
5.2.20.0100.05010.97
5.2.10.0030.03310.88
5.2.00.0200.02010.65
5.1.60.0000.05010.15
5.1.50.0000.02710.07
5.1.40.0000.03310.05
5.1.30.0070.05010.39
5.1.20.0030.05710.38
5.1.10.0030.03710.13
5.1.00.0030.05710.16
5.0.50.0130.0378.55
5.0.40.0030.0438.41
5.0.30.0000.0508.30
5.0.20.0070.0338.14
5.0.10.0100.0308.35
5.0.00.0030.0678.24
4.4.90.0030.0337.88
4.4.80.0030.0337.88
4.4.70.0000.0237.88
4.4.60.0030.0277.88
4.4.50.0000.0207.88
4.4.40.0000.0577.88
4.4.30.0000.0207.88
4.4.20.0100.0307.88
4.4.10.0030.0377.88
4.4.00.0030.0537.88
4.3.110.0030.0377.88
4.3.100.0030.0377.88
4.3.90.0000.0407.88
4.3.80.0070.0377.88
4.3.70.0070.0337.88
4.3.60.0070.0177.88
4.3.50.0030.0207.88
4.3.40.0030.0507.88
4.3.30.0000.0207.88
4.3.20.0000.0377.88
4.3.10.0030.0377.88
4.3.00.0000.0377.88

preferences:
35.77 ms | 400 KiB | 5 Q