3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=$b=false $r = isset($a) ? 1 : isset($b) ? 2 : 3; echo $r;

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)
5.6.80.0070.08320.37
5.5.240.0300.03720.25
5.4.400.0400.05018.43
5.4.390.0600.06018.71
5.4.380.0430.07018.62
5.4.370.0430.06718.63
5.4.360.0430.07718.59
5.4.350.0430.07718.66
5.4.340.0500.07318.64
5.4.320.0470.07718.49
5.4.310.0430.07018.62
5.4.300.0370.06018.62
5.4.290.0370.07718.62
5.4.280.0330.06718.58
5.4.270.0430.06718.49
5.4.260.0370.06318.65
5.4.250.0530.06018.66
5.4.240.0570.07018.61
5.4.230.0430.07718.61
5.4.220.0400.07718.61
5.4.210.0430.07318.62
5.4.200.0430.07316.70
5.4.190.0400.08018.60
5.4.180.0470.07718.61
5.4.170.0470.08318.54
5.4.160.0500.05018.65
5.4.150.0630.04718.64
5.4.140.0500.06016.25
5.4.130.0530.05716.29
5.4.120.0430.06016.09
5.4.110.0370.06016.30
5.4.100.0330.05316.31
5.4.90.0370.06716.18
5.4.80.0400.07016.05
5.4.70.0430.04716.27
5.4.60.0300.05316.25
5.4.50.0270.06716.34
5.4.40.0370.07016.09
5.4.30.0200.06316.27
5.4.20.0230.05316.09
5.4.10.0530.04016.19
5.4.00.0130.06315.60
5.3.290.0300.07314.58
5.3.280.0370.06314.48
5.3.270.0400.06314.58
5.3.260.0500.06714.62
5.3.250.0370.06714.50
5.3.240.0400.05014.50
5.3.230.0270.07314.56
5.3.220.0430.06314.45
5.3.210.0370.07314.60
5.3.200.0370.06714.57
5.3.190.0470.04714.46
5.3.180.0500.03014.43
5.3.170.0270.06714.39
5.3.160.0330.05714.48
5.3.150.0300.06314.47
5.3.140.0370.05314.41
5.3.130.0300.06014.51
5.3.120.0430.04714.54
5.3.110.0470.04714.41
5.3.100.0400.05014.08
5.3.90.0400.05013.85
5.3.80.0400.05313.95
5.3.70.0270.05713.91
5.3.60.0170.06313.90
5.3.50.0300.06013.84
5.3.40.0300.06013.84
5.3.30.0230.05713.80
5.3.20.0330.05013.58
5.3.10.0300.04713.63
5.3.00.0230.06013.52
5.2.170.0270.04311.18
5.2.160.0300.05011.00
5.2.150.0270.04711.11
5.2.140.0170.04711.11
5.2.130.0270.04011.00
5.2.120.0230.04010.93
5.2.110.0270.05310.98
5.2.100.0430.04011.21
5.2.90.0200.05010.93
5.2.80.0200.05011.01
5.2.70.0330.04010.98
5.2.60.0230.04710.95
5.2.50.0230.04710.96
5.2.40.0170.04310.96
5.2.30.0300.05010.79
5.2.20.0300.03710.86
5.2.10.0270.05310.82
5.2.00.0300.03010.75
5.1.60.0230.0479.94
5.1.50.0230.03710.04
5.1.40.0200.0409.84
5.1.30.0130.04310.27
5.1.20.0170.04310.41
5.1.10.0200.04010.09
5.1.00.0130.04310.02
5.0.50.0100.0338.48
5.0.40.0200.0278.35
5.0.30.0030.0538.11
5.0.20.0170.0278.13
5.0.10.0200.0308.27
5.0.00.0100.0538.19
4.4.90.0070.0275.89
4.4.80.0100.0275.89
4.4.70.0070.0305.78
4.4.60.0070.0275.89
4.4.50.0130.0275.89
4.4.40.0200.0375.89
4.4.30.0070.0235.91
4.4.20.0070.0275.84
4.4.10.0130.0235.93
4.4.00.0130.0335.95
4.3.110.0100.0275.82
4.3.100.0100.0335.72
4.3.90.0070.0275.79
4.3.80.0130.0405.86
4.3.70.0130.0305.76
4.3.60.0170.0305.79
4.3.50.0130.0305.80
4.3.40.0170.0405.77
4.3.30.0100.0275.55
4.3.20.0100.0275.55
4.3.10.0100.0275.55
4.3.00.0070.0306.84

preferences:
131.33 ms | 1398 KiB | 7 Q