3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ob { private $b = false; public function __construct($b=false) { if ($b) this->b = $b; } public function toString(){ return $b; } } $ob = new ob(); var_dump($ob); $ob2 = new ob(true); var_dump($ob2);

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)
5.4.390.0630.04718.62
5.4.380.0770.06018.77
5.4.370.1070.04718.47
5.4.360.1070.04718.63
5.4.350.2170.05318.57
5.4.340.0930.05318.73
5.4.320.0870.06018.55
5.4.310.0930.05318.74
5.4.300.0930.05018.63
5.4.290.2030.05318.72
5.4.280.1030.05018.70
5.4.270.0930.05718.59
5.4.260.1900.05318.77
5.4.250.1000.04718.53
5.4.240.2170.05318.55
5.4.230.1100.04718.71
5.4.220.0970.06018.55
5.4.210.0970.05018.49
5.4.200.1030.04316.63
5.4.190.1030.06018.55
5.4.180.0930.05318.77
5.4.170.0930.05718.52
5.4.160.0870.05718.69
5.4.150.0970.04718.75
5.4.140.0930.05316.44
5.4.130.0770.05716.19
5.4.120.0970.06016.23
5.4.110.0930.05016.20
5.4.100.0830.05716.26
5.4.90.0930.04316.26
5.4.80.0770.06716.27
5.4.70.1000.04716.23
5.4.60.1030.05316.25
5.4.50.0870.06016.16
5.4.40.0830.05316.17
5.4.30.0700.05316.38
5.4.20.1230.06316.19
5.4.10.1000.04316.27
5.4.00.1000.04315.78
5.3.290.0900.06014.79
5.3.280.0970.04714.62
5.3.270.0900.06014.71
5.3.260.0970.05314.83
5.3.250.0870.06014.62
5.3.240.1030.05314.73
5.3.230.1000.05014.65
5.3.220.1000.05014.61
5.3.210.0930.05014.77
5.3.200.0830.05014.61
5.3.190.0770.05714.58
5.3.180.0730.05714.61
5.3.170.1030.05314.54
5.3.160.0830.06014.59
5.3.150.0870.06014.56
5.3.140.0930.05014.59
5.3.130.0830.06014.71
5.3.120.0900.06014.59
5.3.110.0970.08314.57
5.3.100.0930.05014.20
5.3.90.1030.04314.17
5.3.80.0870.05314.02
5.3.70.0970.04714.18
5.3.60.1070.04014.05
5.3.50.0870.05713.95
5.3.40.0970.04313.98
5.3.30.0900.05014.13
5.3.20.0900.05013.80
5.3.10.0870.05313.68
5.3.00.0900.05313.71
5.2.170.0770.04711.23
5.2.160.0770.04311.18
5.2.150.0600.04711.27
5.2.140.0770.04011.25
5.2.130.0670.04011.21
5.2.120.0630.04011.22
5.2.110.0670.03711.12
5.2.100.0870.03011.17
5.2.90.0800.03711.12
5.2.80.0770.04011.19
5.2.70.0700.04711.12
5.2.60.0770.04311.11
5.2.50.0800.04311.09
5.2.40.0670.04011.05
5.2.30.0670.03711.08
5.2.20.0730.04310.98
5.2.10.0630.04311.09
5.2.00.0630.04010.89
5.1.60.0570.04010.03
5.1.50.0600.03310.07
5.1.40.0630.03310.05
5.1.30.0670.03310.37
5.1.20.0630.03710.46
5.1.10.0600.03310.26
5.1.00.0600.04010.10
5.0.50.0330.0278.58
5.0.40.0370.0278.45
5.0.30.0300.0478.26
5.0.20.0270.0338.23
5.0.10.0430.0178.17
5.0.00.0330.0438.29
4.4.90.3230.0235.97
4.4.80.0270.0235.88
4.4.70.0270.0275.94
4.4.60.0270.0275.91
4.4.50.0270.0275.89
4.4.40.0370.0305.92
4.4.30.0370.0235.92
4.4.20.0400.0205.98
4.4.10.0270.0205.97
4.4.00.0300.0305.92
4.3.110.0270.0205.90
4.3.100.0330.0335.84
4.3.90.0300.0205.81
4.3.80.0270.0335.80
4.3.70.0430.0235.79
4.3.60.0300.0175.82
4.3.50.0300.0205.87
4.3.40.0270.0305.80
4.3.30.0100.0334.68
4.3.20.0170.0234.57
4.3.10.0100.0234.52
4.3.00.0030.0209.46

preferences:
143.61 ms | 1398 KiB | 7 Q