3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = null var_dump(0 === strlen($date));

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)
5.6.80.0130.07720.28
5.5.240.0100.07020.34
5.4.400.0230.06018.50
5.4.390.0370.05718.74
5.4.380.0270.05718.76
5.4.370.0300.05318.86
5.4.360.0230.06018.61
5.4.350.0300.05018.78
5.4.340.0270.05718.84
5.4.320.0270.05718.52
5.4.310.0270.05318.77
5.4.300.0330.05018.63
5.4.290.0230.05718.46
5.4.280.0430.06718.52
5.4.270.0330.04718.46
5.4.260.0400.04318.55
5.4.250.0370.07318.77
5.4.240.0300.05018.69
5.4.230.0300.07018.75
5.4.220.0300.08318.67
5.4.210.0470.05718.52
5.4.200.0400.06716.59
5.4.190.0330.05318.71
5.4.180.0300.05318.62
5.4.170.0270.05718.72
5.4.160.0370.05318.74
5.4.150.0270.06318.54
5.4.140.0230.06016.32
5.4.130.0230.05716.23
5.4.120.0300.04716.15
5.4.110.0270.05316.27
5.4.100.0230.05016.16
5.4.90.0300.05316.16
5.4.80.0170.05716.42
5.4.70.0300.05316.26
5.4.60.0270.04316.40
5.4.50.0300.05016.26
5.4.40.0270.05016.29
5.4.30.0300.05316.20
5.4.20.0170.06716.19
5.4.10.0270.05016.21
5.4.00.0230.06015.62
5.3.290.0270.06014.62
5.3.280.0300.05714.50
5.3.270.0170.06014.59
5.3.260.0230.05714.50
5.3.250.0300.04714.60
5.3.240.0230.06014.64
5.3.230.0230.05314.57
5.3.220.0230.05314.55
5.3.210.0230.06314.66
5.3.200.0200.05714.50
5.3.190.0270.05314.48
5.3.180.0270.05714.48
5.3.170.0400.06314.48
5.3.160.0300.05714.55
5.3.150.0370.06714.61
5.3.140.0170.05714.56
5.3.130.0130.06714.52
5.3.120.0170.06014.46
5.3.110.0270.06714.45
5.3.100.0300.04313.95
5.3.90.0370.04714.12
5.3.80.0300.04714.09
5.3.70.0230.06014.01
5.3.60.0230.04713.98
5.3.50.0130.05713.85
5.3.40.0200.05713.91
5.3.30.0370.04013.89
5.3.20.0270.05313.62
5.3.10.0200.05313.59
5.3.00.0230.05013.57
5.2.170.0330.02711.18
5.2.160.0130.04311.18
5.2.150.0270.03711.28
5.2.140.0100.05011.17
5.2.130.0130.04011.13
5.2.120.0230.03311.16
5.2.110.0170.04011.04
5.2.100.0170.04011.11
5.2.90.0200.03711.07
5.2.80.0200.03711.07
5.2.70.0100.06011.04
5.2.60.0130.04711.09
5.2.50.0300.03311.02
5.2.40.0130.04310.97
5.2.30.0100.04711.01
5.2.20.0170.04010.88
5.2.10.0200.03710.89
5.2.00.0170.04310.74
5.1.60.0170.03310.13
5.1.50.0100.03710.07
5.1.40.0130.03310.01
5.1.30.0230.03710.39
5.1.20.0170.04010.32
5.1.10.0070.04010.09
5.1.00.0170.03710.09
5.0.50.0170.0338.64
5.0.40.0070.0308.55
5.0.30.0130.0438.19
5.0.20.0070.0278.21
5.0.10.0070.0308.20
5.0.00.0070.0438.22
4.4.90.0100.0205.88
4.4.80.0030.0235.90
4.4.70.0070.0205.80
4.4.60.0070.0235.86
4.4.50.0100.0205.93
4.4.40.0030.0405.81
4.4.30.0070.0235.94
4.4.20.0030.0275.95
4.4.10.0100.0205.95
4.4.00.0070.0335.91
4.3.110.0070.0235.88
4.3.100.0100.0175.85
4.3.90.0100.0175.89
4.3.80.0100.0405.77
4.3.70.0100.0205.82
4.3.60.0100.0275.81
4.3.50.0100.0205.79
4.3.40.0130.0335.77
4.3.30.0070.0274.54
4.3.20.0070.0204.51
4.3.10.0030.0234.51
4.3.00.0100.0137.11

preferences:
144.03 ms | 1394 KiB | 7 Q