3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(null['foobar']); var_dump(0['foobar']);

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)
5.4.340.0330.06319.32
5.4.320.0270.06019.27
5.4.310.0230.03019.13
5.4.300.0230.03318.95
5.4.290.0200.03719.22
5.4.280.0130.03718.94
5.4.270.0100.03719.09
5.4.260.0200.03019.22
5.4.250.0130.04318.86
5.4.240.0130.03719.07
5.4.230.0170.04019.15
5.4.220.0170.03318.94
5.4.210.0200.03019.13
5.4.200.0100.05319.30
5.4.190.0200.04019.25
5.4.180.0130.04019.21
5.4.170.0230.03019.08
5.4.160.0170.03318.83
5.4.150.0130.04018.96
5.4.140.0230.02716.39
5.4.130.0130.03716.34
5.4.120.0130.04316.66
5.4.110.0170.03316.26
5.4.100.0130.03716.52
5.4.90.0200.03316.24
5.4.80.0200.02716.44
5.4.70.0130.03316.17
5.4.60.0130.04316.23
5.4.50.0100.03716.61
5.4.40.0270.04716.56
5.4.30.0200.06016.50
5.4.20.0270.06716.55
5.4.10.0170.06016.48
5.4.00.0130.07015.75
5.3.290.0070.04314.51
5.3.280.0170.04014.45
5.3.270.0100.04014.48
5.3.260.0200.03314.46
5.3.250.0170.04014.55
5.3.240.0200.03014.45
5.3.230.0100.04014.65
5.3.220.0170.03714.45
5.3.210.0200.03314.44
5.3.200.0170.03314.52
5.3.190.0230.03314.41
5.3.180.0100.03714.42
5.3.170.0130.04714.59
5.3.160.0070.04314.40
5.3.150.0130.03714.50
5.3.140.0200.03014.50
5.3.130.0170.05014.64
5.3.120.0100.05714.50
5.3.110.0170.06014.45
5.3.100.0230.03713.88
5.3.90.0200.07014.11
5.3.80.0170.04713.84
5.3.70.0300.08713.87
5.3.60.0200.05014.09
5.3.50.0270.08014.05
5.3.40.0130.05013.99
5.3.30.0270.06313.84
5.3.20.0170.07313.84
5.3.10.0170.03313.84
5.3.00.0200.06313.84
5.2.170.0170.06313.84
5.2.160.0070.06713.84
5.2.150.0170.06013.84
5.2.140.0130.04013.84
5.2.130.0130.06013.84
5.2.120.0230.03313.84
5.2.110.0200.05313.84
5.2.100.0130.03313.84
5.2.90.0200.05313.84
5.2.80.0130.03713.84
5.2.70.0200.05313.84
5.2.60.0170.05713.84
5.2.50.0230.04313.84
5.2.40.0200.05713.84
5.2.30.0070.04713.84
5.2.20.0100.03313.84
5.2.10.0130.02713.84
5.2.00.0300.05013.84
5.1.60.0170.03713.84
5.1.50.0100.04013.84
5.1.40.0130.04313.84
5.1.30.0130.03013.84
5.1.20.0170.04013.84
5.1.10.0200.04713.84
5.1.00.0270.02713.84
5.0.50.0100.04313.84
5.0.40.0070.02313.84
5.0.30.0130.03013.84
5.0.20.0030.04313.84
5.0.10.0070.04713.84
5.0.00.0170.05313.84
4.4.90.0100.02313.84
4.4.80.0170.02713.84
4.4.70.0030.02013.84
4.4.60.0030.02013.84
4.4.50.0030.01713.84
4.4.40.0070.04713.84
4.4.30.0070.03713.84
4.4.20.0070.03713.84
4.4.10.0100.02313.84
4.4.00.0100.03013.84
4.3.110.0130.01713.84
4.3.100.0130.03013.84
4.3.90.0030.03713.84
4.3.80.0070.05013.84
4.3.70.0070.02313.84
4.3.60.0030.03313.84
4.3.50.0100.02713.84
4.3.40.0070.03313.84
4.3.30.0000.03713.84
4.3.20.0100.01713.84
4.3.10.0030.03713.84
4.3.00.0030.03013.84

preferences:
141.06 ms | 1394 KiB | 7 Q