3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num = 1 $str = "Hello" echo $str . "$num"

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)
5.4.260.0130.07318.94
5.4.250.0200.07018.75
5.4.240.0030.06018.91
5.4.230.0130.06718.75
5.4.220.0130.07718.91
5.4.210.0200.06018.94
5.4.200.0130.05318.79
5.4.190.0170.05318.94
5.4.180.0070.08718.63
5.4.170.0030.06718.64
5.4.160.0170.06018.94
5.4.150.0230.04718.95
5.4.140.0100.07316.54
5.4.130.0100.07316.41
5.4.120.0200.06016.49
5.4.110.0000.06016.43
5.4.100.0100.05016.55
5.4.90.0030.06016.38
5.4.80.0130.04716.54
5.4.70.0070.06016.54
5.4.60.0130.06716.43
5.4.50.0030.05316.53
5.4.40.0100.05016.39
5.4.30.0070.05716.61
5.4.20.0130.05716.41
5.4.10.0100.08016.45
5.4.00.0170.06715.90
5.3.280.0100.07314.51
5.3.270.0170.06714.62
5.3.260.0100.05314.63
5.3.250.0130.07314.62
5.3.240.0200.06714.70
5.3.230.0230.05314.69
5.3.220.0170.07314.72
5.3.210.0170.04714.48
5.3.200.0200.04714.40
5.3.190.0230.04314.27
5.3.180.0130.05314.61
5.3.170.0030.05714.41
5.3.160.0100.05014.34
5.3.150.0130.06314.58
5.3.140.0130.07014.61
5.3.130.0100.07314.54
5.3.120.0170.07014.42
5.3.110.0100.07314.54
5.3.100.0100.05714.05
5.3.90.0130.05014.07
5.3.80.0070.06014.06
5.3.70.0100.06014.02
5.3.60.0170.05314.09
5.3.50.0130.04313.64
5.3.40.0130.05013.84
5.3.30.0100.04313.78
5.3.20.0200.05713.46
5.3.10.0100.04313.50
5.3.00.0030.07713.79
5.2.170.0130.03311.16
5.2.160.0070.04711.29
5.2.150.0130.05711.13
5.2.140.0030.04711.04
5.2.130.0070.03711.02
5.2.120.0070.03711.11
5.2.110.0070.04711.21
5.2.100.0100.05311.21
5.2.90.0100.03711.03
5.2.80.0030.04310.86
5.2.70.0070.04010.85
5.2.60.0130.05711.07
5.2.50.0200.02710.77
5.2.40.0170.04011.09
5.2.30.0100.05010.96
5.2.20.0130.04711.11
5.2.10.0130.04011.03
5.2.00.0130.05010.87
5.1.60.0070.0439.90
5.1.50.0030.03310.23
5.1.40.0100.05010.02
5.1.30.0030.05010.54
5.1.20.0070.05310.51
5.1.10.0100.04010.13
5.1.00.0130.0279.97
5.0.50.0000.0408.51
5.0.40.0070.0278.43
5.0.30.0000.0438.18
5.0.20.0030.0378.30
5.0.10.0070.0378.36
5.0.00.0000.0478.39
4.4.90.0030.0307.52
4.4.80.0000.0237.52
4.4.70.0000.0237.52
4.4.60.0000.0237.52
4.4.50.0000.0277.52
4.4.40.0070.0307.52
4.4.30.0030.0337.52
4.4.20.0100.0177.52
4.4.10.0030.0307.52
4.4.00.0000.0377.52
4.3.110.0100.0137.52
4.3.100.0030.0307.52
4.3.90.0030.0237.52
4.3.80.0000.0407.52
4.3.70.0130.0137.52
4.3.60.0000.0277.52
4.3.50.0070.0207.52
4.3.40.0130.0307.52
4.3.30.0070.0237.52
4.3.20.0000.0277.52
4.3.10.0030.0207.52
4.3.00.0030.0208.16

preferences:
136.92 ms | 1394 KiB | 7 Q