3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'bar'; function foo() { global $foo; var_dump($foo); unset($foo); $foo = 'baz'; } var_dump($foo); foo(); var_dump($foo);

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)
8.5.20.0100.00820.26
8.5.10.0120.00616.70
8.5.00.0090.01023.00
8.4.170.0110.00923.89
8.4.160.0140.00923.05
8.4.150.0070.00616.90
8.4.140.0360.00917.41
8.4.130.0350.00717.32
8.4.120.0340.01117.61
8.4.110.0350.00917.38
8.4.100.0360.00917.47
8.4.90.0360.00917.51
8.4.80.0370.00817.45
8.4.70.0370.00717.69
8.4.60.0360.01117.35
8.4.50.0380.00817.54
8.4.40.0370.01017.30
8.4.30.0440.01017.20
8.4.20.0470.00417.24
8.4.10.0370.01017.32
8.3.300.0130.00720.75
8.3.290.0110.01122.51
8.3.280.0120.00718.21
8.3.270.0330.01116.47
8.3.260.0390.00516.38
8.3.250.0340.00916.58
8.3.240.0350.00716.56
8.3.230.0330.00916.41
8.3.220.0370.00616.39
8.3.210.0340.00916.31
8.3.200.0320.00916.57
8.3.190.0360.00616.52
8.3.180.0360.00816.51
8.3.170.0360.01016.39
8.3.160.0380.01216.28
8.3.150.0390.00716.41
8.3.140.0420.00716.66
8.3.130.0340.00616.54
8.3.120.0320.00816.39
8.3.110.0380.00316.43
8.3.100.0330.01216.66
8.3.90.0430.00916.43
8.3.80.0380.00816.31
8.3.70.0420.00516.50
8.3.60.0400.00716.48
8.3.50.0420.00716.48
8.3.40.0410.00817.38
8.3.30.0300.00817.13
8.3.20.0280.00917.17
8.3.10.0270.00917.46
8.3.00.0330.00617.23
8.2.300.0110.00920.32
8.2.290.0270.01016.64
8.2.280.0280.00916.35
8.2.270.0290.00916.70
8.2.260.0320.00516.57
8.2.250.0310.00716.36
8.2.240.0250.01316.13
8.2.230.0290.00916.21
8.2.220.0290.00816.10
8.2.210.0280.00916.47
8.2.200.0340.00416.44
8.2.190.0320.00816.44
8.2.180.0260.01216.76
8.2.170.0350.00917.35
8.2.160.0320.00917.24
8.2.150.0290.00917.48
8.2.140.0340.00517.24
8.2.130.0300.00917.41
8.2.120.0300.00917.02
8.2.110.0300.00817.32
8.2.100.0250.01217.24
8.2.90.0310.00617.39
8.2.80.0250.01217.13
8.2.70.0290.00817.39
8.2.60.0300.00817.23
8.2.50.0290.00817.45
8.2.40.0310.00617.43
8.2.30.0280.00917.33
8.2.20.0330.00617.43
8.2.10.0330.00717.14
8.2.00.0440.00617.18
8.1.340.0090.01317.56

preferences:
30.3 ms | 403 KiB | 5 Q