3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1, 2, 3); $values = &a; foreach ($values as $value) { $values[3] = "bob"; if ($value == "bob") { $values[3] = "We made it into the if"; } } var_dump($values);

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)
7.0.00.0030.08320.18
5.6.160.0070.08718.16
5.6.150.0030.04318.14
5.6.140.0030.08718.21
5.6.130.0100.04318.17
5.6.120.0170.07321.01
5.6.110.0030.06021.13
5.6.100.0130.06021.00
5.6.90.0030.09321.07
5.6.80.0070.03720.48
5.5.300.0030.03717.98
5.5.290.0000.04317.98
5.5.280.0070.07020.79
5.5.270.0000.04320.63
5.5.260.0070.08720.97
5.5.250.0070.03720.61
5.5.240.1970.04020.26

preferences:
140.88 ms | 1398 KiB | 7 Q