3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ public static $def = array('head'=>array('a'=>'b'),'fields'=>array('a'=>'field_a','b'=>'field_b')); } class B extends A { public static $def = array_merge(parent::$def,array('c'=>'field_c')); } var_dump(B::$def);

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)
5.4.320.0130.05019.24
5.4.310.0200.03718.87
5.4.300.0200.07719.09
5.4.290.0200.07018.87
5.4.280.0170.05019.22
5.4.270.0200.07019.19
5.4.260.0300.04319.22
5.4.250.0200.06718.94
5.4.240.0330.06019.21
5.4.230.0270.04718.87
5.4.220.0270.04718.98
5.4.210.0300.06719.06
5.4.200.0200.04018.86
5.4.190.0270.06718.98
5.4.180.0300.05719.14
5.4.170.0230.05318.86
5.4.160.0200.05319.17
5.4.150.0200.04719.21
5.4.140.0270.05716.55
5.4.130.0270.06716.40
5.4.120.0170.04316.56
5.4.110.0300.05716.37
5.4.100.0170.05016.52
5.4.90.0300.06716.64
5.4.80.0230.04016.59
5.4.70.0200.04316.30
5.4.60.0170.04016.54
5.4.50.0200.04316.42
5.4.40.0270.04016.54
5.4.30.0230.05716.55
5.4.20.0200.04316.52
5.4.10.0170.05316.23
5.4.00.0270.07016.11
5.3.290.0230.06014.59
5.3.280.0270.07314.49
5.3.270.0270.06714.76
5.3.260.0330.06314.71
5.3.250.0170.07714.68
5.3.240.0230.07314.63
5.3.230.0270.04314.60
5.3.220.0200.05014.72
5.3.210.0330.06714.62
5.3.200.0330.04714.66
5.3.190.0230.06714.59
5.3.180.0300.06014.54
5.3.170.0330.04714.71
5.3.160.0270.03714.54
5.3.150.0300.06014.64
5.3.140.0230.05014.56
5.3.130.0100.05714.57
5.3.120.0230.07314.46
5.3.110.0200.06714.45
5.3.100.0270.06714.04
5.3.90.0300.06714.01
5.3.80.0200.05014.06
5.3.70.0270.03014.10
5.3.60.0270.06714.02
5.3.50.0230.05013.86
5.3.40.0230.05013.99
5.3.30.0270.02713.91
5.3.20.0200.07313.61
5.3.10.0200.05313.81
5.3.00.0270.04713.75
5.2.170.0270.03311.15
5.2.160.0130.05311.23
5.2.150.0230.06011.15
5.2.140.0230.05711.09
5.2.130.0200.03311.18
5.2.120.0230.05311.11
5.2.110.0270.05311.18
5.2.100.0170.03311.32
5.2.90.0200.05711.08
5.2.80.0170.04311.02
5.2.70.0100.04011.14
5.2.60.0230.04311.09
5.2.50.0200.05710.92
5.2.40.0200.04310.90
5.2.30.0230.05010.88
5.2.20.0170.03310.93
5.2.10.0200.03310.84
5.2.00.0130.06310.62
5.1.60.0200.03710.04
5.1.50.0170.0479.97
5.1.40.0100.0409.95
5.1.30.0100.05010.26
5.1.20.0130.05710.27
5.1.10.0270.0239.98
5.1.00.0130.0509.94
5.0.50.0130.0409.88
5.0.40.0170.0339.88
5.0.30.0100.0579.88
5.0.20.0130.0439.88
5.0.10.0130.0309.88
5.0.00.0070.0639.88
4.4.90.0070.0409.88
4.4.80.0130.0339.88
4.4.70.0070.0339.88
4.4.60.0130.0279.88
4.4.50.0100.0379.88
4.4.40.0100.0339.88
4.4.30.0030.0339.88
4.4.20.0070.0239.88
4.4.10.0070.0379.88
4.4.00.0130.0379.88
4.3.110.0100.0339.88
4.3.100.0130.0309.88
4.3.90.0100.0339.88
4.3.80.0100.0479.88
4.3.70.0130.0179.88
4.3.60.0070.0239.88
4.3.50.0100.0339.88
4.3.40.0130.0439.88
4.3.30.0070.0279.88
4.3.20.0070.0379.88
4.3.10.0030.0339.88
4.3.00.0000.0239.88

preferences:
141.63 ms | 1386 KiB | 7 Q