3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; $b = 2; print "this " . $a ." + " . $b . " = ". ($a + $b;)

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)
5.6.80.0030.08020.37
5.5.240.0100.07320.20
5.4.400.0170.05718.77
5.4.390.0200.05718.72
5.4.380.0300.06018.63
5.4.370.0170.06018.72
5.4.360.0100.06318.73
5.4.350.0200.06018.56
5.4.340.0230.05318.53
5.4.320.0300.06018.72
5.4.310.0230.06318.46
5.4.300.0230.05718.79
5.4.290.0230.05718.49
5.4.280.0170.06018.55
5.4.270.0230.05318.80
5.4.260.0230.05318.77
5.4.250.0230.08318.86
5.4.240.0200.05718.73
5.4.230.0270.05318.79
5.4.220.0230.05718.84
5.4.210.0200.05318.62
5.4.200.0170.06016.77
5.4.190.0230.05718.77
5.4.180.0300.04318.72
5.4.170.0270.05018.45
5.4.160.0330.04018.79
5.4.150.0270.05018.70
5.4.140.0230.04716.43
5.4.130.0200.07716.21
5.4.120.0270.04316.32
5.4.110.0170.05016.44
5.4.100.0130.06316.20
5.4.90.0230.04716.12
5.4.80.0230.04716.27
5.4.70.0200.05016.26
5.4.60.0230.05716.17
5.4.50.0130.06016.40
5.4.40.0170.05716.28
5.4.30.0270.03716.14
5.4.20.0130.05716.24
5.4.10.0170.07316.22
5.4.00.0270.05015.73
5.3.290.0230.05714.58
5.3.280.0100.06314.50
5.3.270.0330.04314.62
5.3.260.0100.07014.60
5.3.250.0230.05014.68
5.3.240.0200.05714.59
5.3.230.0200.05314.70
5.3.220.0230.04714.54
5.3.210.0270.04714.54
5.3.200.0200.05314.64
5.3.190.0170.05714.48
5.3.180.0330.04014.65
5.3.170.0170.05314.47
5.3.160.0270.04714.54
5.3.150.0230.04714.54
5.3.140.0270.04714.46
5.3.130.0170.05714.46
5.3.120.0230.05314.64
5.3.110.0270.05714.53
5.3.100.0300.04013.94
5.3.90.0100.06014.11
5.3.80.0300.04013.95
5.3.70.0300.05013.91
5.3.60.0330.05314.09
5.3.50.0100.07314.02
5.3.40.0170.05714.04
5.3.30.0300.06013.87
5.3.20.0200.05013.63
5.3.10.0170.05313.60
5.3.00.0070.06313.60
5.2.170.0100.05011.20
5.2.160.0200.04311.11
5.2.150.0130.04311.20
5.2.140.0200.04711.11
5.2.130.0300.02711.01
5.2.120.0170.04011.16
5.2.110.0130.05311.10
5.2.100.0170.04711.03
5.2.90.0170.04011.10
5.2.80.0100.04711.14
5.2.70.0070.05011.03
5.2.60.0170.04310.96
5.2.50.0070.06710.99
5.2.40.0100.04311.00
5.2.30.0200.03711.01
5.2.20.0130.04011.02
5.2.10.0230.03010.90
5.2.00.0200.04010.85
5.1.60.0130.04710.13
5.1.50.0170.03710.00
5.1.40.0200.03310.08
5.1.30.0030.04310.31
5.1.20.0100.03710.44
5.1.10.0200.03710.20
5.1.00.0200.03310.14
5.0.50.0130.0278.63
5.0.40.0070.0308.46
5.0.30.0100.0438.24
5.0.20.0100.0278.38
5.0.10.0170.0208.25
5.0.00.0170.0338.23
4.4.90.0070.0305.82
4.4.80.0070.0235.86
4.4.70.0070.0305.91
4.4.60.0000.0275.80
4.4.50.0070.0235.89
4.4.40.0070.0375.88
4.4.30.0030.0275.86
4.4.20.0070.0235.96
4.4.10.0070.0306.01
4.4.00.0100.0405.90
4.3.110.0030.0275.83
4.3.100.0070.0235.79
4.3.90.0130.0205.84
4.3.80.0100.0435.86
4.3.70.0100.0205.83
4.3.60.0030.0235.78
4.3.50.0100.0235.77
4.3.40.0130.0305.74
4.3.30.0070.0204.58
4.3.20.0030.0234.52
4.3.10.0100.0174.52
4.3.00.0000.0237.11

preferences:
141.43 ms | 1394 KiB | 7 Q