3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class Parent { const VAR = 1; } class Child extends Parent { const VAR = 2; public function __construct() { echo static::VAR; } } $x = new Child;

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)
5.4.310.0030.03319.16
5.4.300.0000.04319.16
5.4.290.0000.03719.20
5.4.280.0000.03719.20
5.4.270.0000.03719.08
5.4.260.0070.03019.13
5.4.250.0030.03319.17
5.4.240.0000.03719.17
5.4.230.0030.03718.86
5.4.220.0030.04019.13
5.4.210.0030.03318.86
5.4.200.0030.03718.88
5.4.190.0030.04019.08
5.4.180.0000.04019.15
5.4.170.0100.03719.04
5.4.160.0030.04018.85
5.4.150.0030.06018.91
5.4.140.0130.06716.33
5.4.130.0100.03316.33
5.4.120.0030.05716.38
5.4.110.0070.07316.25
5.4.100.0070.06316.36
5.4.90.0030.07016.44
5.4.80.0100.04316.31
5.4.70.0000.03716.14
5.4.60.0030.04016.13
5.4.50.0030.07016.38
5.4.40.0030.03716.48
5.4.30.0000.03716.46
5.4.20.0100.05016.13
5.4.10.0030.07716.13
5.4.00.0000.07715.57
5.3.280.0030.05314.52
5.3.270.0130.03314.69
5.3.260.0030.08014.64
5.3.250.0030.04014.54
5.3.240.0100.04714.54
5.3.230.0030.06014.41
5.3.220.0030.06014.48
5.3.210.0070.05314.49
5.3.200.0000.06714.54
5.3.190.0270.03314.49
5.3.180.0030.07314.50
5.3.170.0070.04714.46
5.3.160.0030.07314.50
5.3.150.0000.05314.49
5.3.140.0030.05314.48
5.3.130.0070.07314.51
5.3.120.0000.04014.47
5.3.110.0170.03014.43
5.3.100.0000.05013.98
5.3.90.0070.06313.95
5.3.80.0000.04713.96
5.3.70.0030.07313.82
5.3.60.0000.05313.93
5.3.50.0000.03713.76
5.3.40.0000.06313.77
5.3.30.0130.07013.82
5.3.20.0030.07313.52
5.3.10.0030.05013.46
5.3.00.0070.06713.59
5.2.170.0000.06311.11
5.2.160.0030.06311.00
5.2.150.0070.06011.13
5.2.140.0030.06011.08
5.2.130.0100.05011.03
5.2.120.0030.05711.25
5.2.110.0070.02710.91
5.2.100.0000.06311.18
5.2.90.0070.03710.98
5.2.80.0070.03710.99
5.2.70.0030.06310.91
5.2.60.0030.06010.98
5.2.50.0070.04711.09
5.2.40.0070.03710.84
5.2.30.0070.05710.80
5.2.20.0030.03711.11
5.2.10.0030.04710.86
5.2.00.0030.06010.61
5.1.60.0030.0409.94
5.1.50.0030.03310.13
5.1.40.0030.0439.87
5.1.30.0030.04310.38
5.1.20.0030.05310.20
5.1.10.0030.0479.96
5.1.00.0030.05310.00
5.0.50.0030.0278.45
5.0.40.0030.0408.38
5.0.30.0000.0338.16
5.0.20.0000.0378.35
5.0.10.0030.0238.22
5.0.00.0070.0308.21
4.4.90.0030.0177.79
4.4.80.0030.0337.79
4.4.70.0000.0207.79
4.4.60.0000.0377.79
4.4.50.0000.0377.79
4.4.40.0000.0437.79
4.4.30.0000.0377.79
4.4.20.0000.0377.79
4.4.10.0000.0407.79
4.4.00.0030.0477.79
4.3.110.0000.0277.79
4.3.100.0030.0207.79
4.3.90.0000.0207.79
4.3.80.0030.0507.79
4.3.70.0000.0277.79
4.3.60.0030.0307.79
4.3.50.0030.0307.79
4.3.40.0000.0577.79
4.3.30.0000.0377.79
4.3.20.0000.0177.79
4.3.10.0030.0377.79
4.3.00.0030.0207.79

preferences:
143.1 ms | 1394 KiB | 7 Q