3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $a[] = array('1',null); $a[] = array('1','2'); $a[] = array('2',null); $a[] = array('2','2'); $a[] = array('1',null); $a[] = array('2','2'); array_map("unserialize", array_unique(array_map("serialize", $a)))

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)
5.4.270.0000.07018.81
5.4.260.0070.06719.03
5.4.250.0100.05319.04
5.4.240.0030.06018.95
5.4.230.0070.06018.88
5.4.220.0130.06018.93
5.4.210.0030.05718.70
5.4.200.0130.07018.90
5.4.190.0000.06718.73
5.4.180.0200.05719.02
5.4.170.0030.08318.80
5.4.160.0100.07318.74
5.4.150.0100.06319.04
5.4.140.0070.06316.27
5.4.130.0100.04716.25
5.4.120.0070.05016.29
5.4.110.0100.05316.43
5.4.100.0100.06316.46
5.4.90.0070.06316.53
5.4.80.0200.05716.33
5.4.70.0100.06716.28
5.4.60.0070.05016.40
5.4.50.0170.04716.48
5.4.40.0100.05316.27
5.4.30.0070.06016.31
5.4.20.0170.06716.32
5.4.10.0130.04716.46
5.4.00.0130.05715.93
5.3.280.0000.06714.30
5.3.270.0070.06014.66
5.3.260.0100.06314.70
5.3.250.0030.07314.53
5.3.240.0030.07714.61
5.3.230.0100.07014.38
5.3.220.0100.06714.59
5.3.210.0070.06314.29
5.3.200.0130.05014.57
5.3.190.0070.05714.59
5.3.180.0130.07014.41
5.3.170.0100.05014.41
5.3.160.0130.04714.63
5.3.150.0070.07014.45
5.3.140.0000.05714.45
5.3.130.0170.05314.70
5.3.120.0000.06314.45
5.3.110.0100.06314.39
5.3.100.0030.06313.89
5.3.90.0070.05313.95
5.3.80.0070.06014.04
5.3.70.0170.04313.73
5.3.60.0070.06013.87
5.3.50.0100.06013.97
5.3.40.0170.05313.87
5.3.30.0100.06713.94
5.3.20.0070.06713.68
5.3.10.0130.05713.57
5.3.00.0200.05713.66
5.2.170.0030.05011.16
5.2.160.0030.04711.14
5.2.150.0070.05011.03
5.2.140.0070.04311.14
5.2.130.0130.03710.93
5.2.120.0170.04011.11
5.2.110.0170.04711.11
5.2.100.0170.03711.21
5.2.90.0100.04711.00
5.2.80.0070.05010.85
5.2.70.0030.05311.12
5.2.60.0000.05311.04
5.2.50.0070.05010.91
5.2.40.0100.05010.91
5.2.30.0030.05310.97
5.2.20.0100.04710.72
5.2.10.0070.05710.84
5.2.00.0100.06010.88
5.1.60.0070.0379.85
5.1.50.0100.0409.93
5.1.40.0100.03010.04
5.1.30.0070.04310.42
5.1.20.0070.05010.43
5.1.10.0030.05310.03
5.1.00.0030.04010.01
5.0.50.0070.0308.43
5.0.40.0130.0338.48
5.0.30.0100.0438.18
5.0.20.0130.0308.25
5.0.10.0030.0338.14
5.0.00.0030.0508.07
4.4.90.0070.0276.73
4.4.80.0000.0276.73
4.4.70.0030.0306.73
4.4.60.0030.0276.87
4.4.50.0070.0206.87
4.4.40.0000.0476.87
4.4.30.0000.0306.87
4.4.20.0130.0176.87
4.4.10.0000.0276.87
4.4.00.0100.0376.87
4.3.110.0230.0236.87
4.3.100.0070.0176.87
4.3.90.0070.0236.87
4.3.80.0070.0406.87
4.3.70.0100.0176.87
4.3.60.0070.0236.87
4.3.50.0070.0206.87
4.3.40.0170.0336.87
4.3.30.0030.0276.87
4.3.20.0030.0236.87
4.3.10.0030.0276.87
4.3.00.0000.0237.38

preferences:
131.58 ms | 1394 KiB | 7 Q