3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class Liam { public function __construct() { $this->printString(); $this->printArray(); } public function printString(string $prefix) : string { print $this->_generateString(); } public function printArray(array $array) : array { print array(); } private function _generateString() : string { return random(1,255); } } print_r(new Liam())

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)
5.6.140.0030.08318.18
5.6.130.0030.04018.27
5.6.120.0030.08721.03
5.6.110.0030.05021.01
5.6.100.0070.05320.96
5.6.90.0070.08021.11
5.6.80.0070.08320.49
5.6.70.0100.08320.28
5.5.300.0030.07317.93
5.5.290.0230.06718.03
5.5.280.0100.08020.86
5.5.270.0030.05020.97
5.5.260.0130.08020.76
5.5.250.0070.08020.75
5.5.240.0130.06720.38
5.4.450.0170.05319.59
5.4.440.0070.06319.47
5.4.430.0130.05719.58
5.4.420.0830.06019.54
5.4.410.0830.05019.31
5.4.400.1300.06319.31
5.4.390.0670.06719.14
5.4.380.0700.06319.08
5.4.370.0730.04319.30
5.4.360.0900.06318.84
5.4.350.0630.05319.38
5.4.340.0870.04718.98
5.4.320.0730.05018.84
5.4.310.0700.06018.98
5.4.300.0630.07319.14
5.4.290.0630.06318.86
5.4.280.0930.04719.01
5.4.270.0770.05719.25
5.4.260.0670.04719.15
5.4.250.0400.07019.40
5.4.240.0100.05318.98
5.4.230.0000.06018.86
5.4.220.0130.05019.26
5.4.210.0600.05019.00
5.4.200.0770.05719.14
5.4.190.0600.05719.25
5.4.180.0600.05319.28
5.4.170.0630.05019.13
5.4.160.0600.06019.23
5.4.150.0130.05019.13
5.4.140.0100.06016.34
5.4.130.0300.05016.44
5.4.120.0600.06016.56
5.4.110.0870.06016.21
5.4.100.0700.04316.61
5.4.90.0670.04716.53
5.4.80.0770.04716.61
5.4.70.0770.04716.20
5.4.60.0630.05716.57
5.4.50.0900.04716.59
5.4.40.0800.05016.59
5.4.30.0870.04316.16
5.4.20.0870.04716.38
5.4.10.1070.06316.61
5.4.00.0970.06315.83
5.3.290.0930.06014.71
5.3.280.0900.06314.48
5.3.270.0900.06314.51
5.3.260.0730.05314.52
5.3.250.0770.04314.63
5.3.240.0600.05014.66
5.3.230.0530.06014.61
5.3.220.0730.07314.59
5.3.210.0670.06314.57
5.3.200.0130.07014.79
5.3.190.0630.04714.57
5.3.180.0800.05014.53
5.3.170.0530.05014.57
5.3.160.0630.04714.52
5.3.150.0730.04014.49
5.3.140.0630.04314.47
5.3.130.0330.05714.72
5.3.120.0600.05014.54
5.3.110.0200.05714.57
5.3.100.0070.05714.19
5.3.90.0170.04713.89
5.3.80.0170.05014.25
5.3.70.0170.05014.03
5.3.60.0670.05714.03
5.3.50.0570.05713.95
5.3.40.0730.06013.95
5.3.30.0900.07013.96
5.3.20.0770.04313.70
5.3.10.0770.04713.80
5.3.00.0900.05013.57
5.2.170.0700.04711.07
5.2.160.0570.03711.16
5.2.150.0430.05311.20
5.2.140.0700.05311.20
5.2.130.0630.05711.04
5.2.120.0600.04011.12
5.2.110.0470.04711.16
5.2.100.0630.04310.97
5.2.90.0500.04711.12
5.2.80.0570.04010.96
5.2.70.0600.04011.00
5.2.60.0430.05011.14
5.2.50.0630.06010.95
5.2.40.0730.04711.08
5.2.30.0500.06011.02
5.2.20.0400.05711.01
5.2.10.0630.04710.78
5.2.00.0700.04310.86
5.1.60.0430.0339.88
5.1.50.0530.0439.84
5.1.40.0500.0409.96
5.1.30.0430.04310.25
5.1.20.0430.03310.27
5.1.10.0530.03310.05
5.1.00.0470.0379.96
5.0.50.0300.0308.43
5.0.40.0270.0338.48
5.0.30.0400.0508.20
5.0.20.0300.0338.10
5.0.10.0300.0378.25
5.0.00.0470.0438.24
4.4.90.0230.0337.70
4.4.80.0330.0277.70
4.4.70.0330.0337.70
4.4.60.0300.0277.70
4.4.50.0270.0307.70
4.4.40.0400.0437.70
4.4.30.0270.0277.70
4.4.20.0170.0307.70
4.4.10.0270.0337.70
4.4.00.0370.0437.70
4.3.110.0230.0237.70
4.3.100.0200.0307.70
4.3.90.0270.0277.70
4.3.80.0300.0407.70
4.3.70.0330.0137.70
4.3.60.0200.0237.70
4.3.50.0230.0177.70
4.3.40.0170.0377.70
4.3.30.0100.0237.70
4.3.20.0100.0277.70
4.3.10.0130.0307.70
4.3.00.0130.0237.70

preferences:
154.69 ms | 1394 KiB | 7 Q