3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=1; $b=0; $c=1; $dis=''; $dis = $dis . "a" $dis = $dis . "b" $dis= $ dis . "c" print_r($dis);

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)
5.4.260.0070.05018.94
5.4.250.0100.05319.05
5.4.240.0000.05718.96
5.4.230.0070.05018.87
5.4.220.0070.06318.72
5.4.210.0100.06718.60
5.4.200.0030.08018.72
5.4.190.0270.05018.71
5.4.180.0100.07318.96
5.4.170.0070.05318.83
5.4.160.0170.05318.89
5.4.150.0000.06318.73
5.4.140.0070.05316.33
5.4.130.0100.04716.32
5.4.120.0030.05316.36
5.4.110.0030.06016.33
5.4.100.0000.05716.41
5.4.90.0170.04716.35
5.4.80.0070.05016.30
5.4.70.0170.05316.41
5.4.60.0170.04016.34
5.4.50.0070.05016.24
5.4.40.0030.05016.39
5.4.30.0130.04316.57
5.4.20.0100.05016.29
5.4.10.0030.05316.23
5.4.00.0030.05315.73
5.3.280.0070.05314.61
5.3.270.0170.05014.70
5.3.260.0070.08014.55
5.3.250.0100.05014.31
5.3.240.0170.05014.62
5.3.230.0100.04714.59
5.3.220.0130.04314.58
5.3.210.0070.05314.61
5.3.200.0130.04314.44
5.3.190.0030.05314.66
5.3.180.0030.05314.61
5.3.170.0000.05314.71
5.3.160.0030.05314.56
5.3.150.0030.07714.42
5.3.140.0000.05714.55
5.3.130.0000.07314.57
5.3.120.0100.05014.43
5.3.110.0100.06014.55
5.3.100.0070.05014.06
5.3.90.0100.05013.94
5.3.80.0200.04314.09
5.3.70.0130.06313.94
5.3.60.0100.06714.05
5.3.50.0070.05013.83
5.3.40.0070.06013.99
5.3.30.0130.04313.92
5.3.20.0130.04313.63
5.3.10.0070.05013.66
5.3.00.0030.05013.69
5.2.170.0070.04011.03
5.2.160.0100.03711.16
5.2.150.0070.04011.06
5.2.140.0100.03711.07
5.2.130.0000.05710.93
5.2.120.0070.03711.21
5.2.110.0100.03311.10
5.2.100.0000.05711.11
5.2.90.0000.04711.10
5.2.80.0000.04711.02
5.2.70.0070.04311.20
5.2.60.0100.05711.09
5.2.50.0100.04011.18
5.2.40.0030.05011.09
5.2.30.0100.03710.86
5.2.20.0030.05010.72
5.2.10.0030.04010.78
5.2.00.0070.04010.71
5.1.60.0100.04310.02
5.1.50.0030.03710.04
5.1.40.0000.03710.13
5.1.30.0070.03710.17
5.1.20.0130.04310.24
5.1.10.0030.03710.00
5.1.00.0100.03010.02
5.0.50.0030.0308.59
5.0.40.0070.0238.32
5.0.30.0000.0477.98
5.0.20.0030.0278.18
5.0.10.0000.0338.23
5.0.00.0070.0408.24
4.4.90.0000.0276.92
4.4.80.0100.0236.92
4.4.70.0030.0206.92
4.4.60.0000.0236.92
4.4.50.0070.0176.92
4.4.40.0000.0376.92
4.4.30.0070.0206.92
4.4.20.0030.0306.92
4.4.10.0070.0276.92
4.4.00.0030.0336.92
4.3.110.0030.0206.92
4.3.100.0000.0276.92
4.3.90.0030.0206.92
4.3.80.0000.0336.92
4.3.70.0030.0206.92
4.3.60.0100.0136.92
4.3.50.0000.0236.92
4.3.40.0070.0276.92
4.3.30.0070.0236.92
4.3.20.0000.0236.92
4.3.10.0100.0176.92
4.3.00.0000.02014.49

preferences:
144.42 ms | 1386 KiB | 7 Q