3v4l.org

run code in 300+ PHP versions simultaneously
<?php $class = "ArrayObject"; // we break BC here var_dump(unserialize('O:'.strlen($class).':"'.$class.'":0:{}")); // we still allow segfault: class MySplFileObject extends SplFileObject{} $class = "ArrayObject"; var_dump(unserialize('O:'.strlen($class).':"'.$class.'":0:{}"));

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)
5.4.290.0230.08212.50
5.4.280.0090.05912.39
5.4.270.0150.05312.39
5.4.260.0140.05812.39
5.4.250.0090.06412.39
5.4.240.0100.06212.39
5.4.230.0150.06112.38
5.4.220.0150.06112.38
5.4.210.0200.11212.38
5.4.200.0110.06012.38
5.4.190.0100.06212.38
5.4.180.0080.09112.38
5.4.170.0120.06312.38
5.4.160.0120.05812.38
5.4.150.0090.06212.38
5.4.140.0170.08012.07
5.4.130.0100.04812.05
5.4.120.0100.05312.02
5.4.110.0110.06112.01
5.4.100.0100.05012.01
5.4.90.0140.05412.01
5.4.80.0090.05512.01
5.4.70.0090.05112.01
5.4.60.0070.05212.01
5.4.50.0060.05312.01
5.4.40.0060.05412.00
5.4.30.0130.04612.00
5.4.20.0090.03711.99
5.4.10.0140.05211.99
5.4.00.0090.05811.48
5.3.280.0110.05212.71
5.3.270.0120.06112.73
5.3.260.0150.07712.72
5.3.250.0100.03812.72
5.3.240.0070.04012.72
5.3.230.0100.03812.71
5.3.220.0080.04212.68
5.3.210.0080.04012.68
5.3.200.0090.04912.68
5.3.190.0070.04212.68
5.3.180.0090.03512.67
5.3.170.0060.04212.67
5.3.160.0080.03912.67
5.3.150.0060.04612.67
5.3.140.0100.04812.66
5.3.130.0100.04012.65
5.3.120.0090.04212.66
5.3.110.0060.04512.66
5.3.100.0120.04412.12
5.3.90.0090.04112.08
5.3.80.0050.04012.07
5.3.70.0090.03612.07
5.3.60.0120.03212.07
5.3.50.0060.03812.00
5.3.40.0100.04612.00
5.3.30.0090.03711.95
5.3.20.0080.03911.72
5.3.10.0130.05811.70
5.3.00.0080.06711.68

preferences:
134.94 ms | 1394 KiB | 7 Q