3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ToString { __toString() { return 'baz' } } var_dump((string) 5); var_dump((string) 1.5); var_dump((string) 'foo'); var_dump((string) null); var_dump((string) true); var_dump((string) false); var_dump((string) new ToString()); var_dumP((string) new \stdClass);

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)
5.6.150.0100.07018.29
5.6.140.0000.04718.22
5.6.130.0100.07718.17
5.6.120.0070.05320.99
5.6.110.0170.07321.02
5.6.100.0070.08020.97
5.6.90.0070.08720.97
5.6.80.0030.08720.43
5.5.300.0000.07317.94
5.5.290.0100.07018.00
5.5.280.0130.05320.95
5.5.270.0100.08020.67
5.5.260.0030.04020.76
5.5.250.0100.08020.68
5.5.240.0300.06720.28

preferences:
134.29 ms | 1398 KiB | 7 Q