3v4l.org

run code in 300+ PHP versions simultaneously
<?php $myArray = array('zero', 'one'); array_keys($myArray)[1]

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)
5.4.270.0100.07318.73
5.4.260.0100.05719.04
5.4.250.0100.07318.92
5.4.240.0100.06718.73
5.4.230.0100.07018.65
5.4.220.0230.06718.70
5.4.210.0070.06719.03
5.4.200.0100.07718.87
5.4.190.0170.04718.83
5.4.180.0100.05718.74
5.4.170.0230.06318.91
5.4.160.0130.06018.64
5.4.150.0200.04719.01
5.4.140.0170.06016.51
5.4.130.0130.06016.48
5.4.120.0100.05016.56
5.4.110.0130.07016.45
5.4.100.0030.07316.42
5.4.90.0100.04716.49
5.4.80.0100.04716.24
5.4.70.0130.05316.44
5.4.60.0200.05716.40
5.4.50.0200.06316.47
5.4.40.0070.07016.41
5.4.30.0030.06716.42
5.4.20.0070.07016.49
5.4.10.0070.05316.38
5.4.00.0030.05715.74
5.3.280.0200.05714.48
5.3.270.0170.07014.76
5.3.260.0100.05314.61
5.3.250.0270.06014.60
5.3.240.0200.05714.70
5.3.230.0100.06714.52
5.3.220.0170.07014.56
5.3.210.0170.06014.41
5.3.200.0130.07014.58
5.3.190.0100.05014.57
5.3.180.0170.06014.48
5.3.170.0030.06014.42
5.3.160.0030.05714.71
5.3.150.0070.06014.42
5.3.140.0100.06014.47
5.3.130.0070.08014.70
5.3.120.0070.05714.42
5.3.110.0170.06714.56
5.3.100.0070.05314.04
5.3.90.0100.07714.04
5.3.80.0100.05313.94
5.3.70.0130.06314.07
5.3.60.0130.06013.88
5.3.50.0100.05713.79
5.3.40.0100.04714.12
5.3.30.0030.06313.79
5.3.20.0030.05713.70
5.3.10.0130.05013.35
5.3.00.0200.04313.66
5.2.170.0170.03011.04
5.2.160.0030.04311.15
5.2.150.0100.05711.16
5.2.140.0130.03311.05
5.2.130.0130.04711.26
5.2.120.0000.04711.10
5.2.110.0070.05311.01
5.2.100.0100.05010.93
5.2.90.0200.04010.98
5.2.80.0030.05010.85
5.2.70.0030.06311.11
5.2.60.0170.05010.97
5.2.50.0030.06010.94
5.2.40.0070.05311.00
5.2.30.0070.04310.86
5.2.20.0000.04710.98
5.2.10.0170.03311.02
5.2.00.0100.04010.61
5.1.60.0130.0239.95
5.1.50.0070.04310.02
5.1.40.0030.0509.91
5.1.30.0130.03710.27
5.1.20.0070.05010.11
5.1.10.0000.0409.83
5.1.00.0030.0409.95
5.0.50.0000.0308.49
5.0.40.0070.0308.50
5.0.30.0070.0408.30
5.0.20.0070.0278.42
5.0.10.0070.0378.31
5.0.00.0100.0478.21
4.4.90.0170.0206.09
4.4.80.0000.0276.09
4.4.70.0030.0276.09
4.4.60.0100.0236.09
4.4.50.0030.0236.09
4.4.40.0030.0376.09
4.4.30.0030.0376.09
4.4.20.0070.0276.02
4.4.10.0030.0236.02
4.4.00.0030.0376.02
4.3.110.0000.0236.01
4.3.100.0030.0276.01
4.3.90.0030.0276.00
4.3.80.0030.0435.82
4.3.70.0070.0275.79
4.3.60.0030.0305.69
4.3.50.0000.0275.70
4.3.40.0070.0375.69
4.3.30.0000.0235.69
4.3.20.0030.0205.69
4.3.10.0030.0275.69
4.3.00.0130.0276.71

preferences:
142.33 ms | 1386 KiB | 7 Q