3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class class1 { abstract public function someFunc($a, $b = null); } class class2 extends class1 { public function someFunc($a, $b) { } }

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)
7.1.60.0600.01333.12
7.1.50.0570.01332.75
7.1.40.0600.00332.42
7.1.30.0600.01732.52
7.1.20.0570.01032.80
7.1.10.0900.01014.38
7.1.00.0530.00714.66
7.0.200.0500.00714.73
7.0.190.0500.00714.77
7.0.180.0400.01014.17
7.0.170.0570.01014.24
7.0.160.0530.01014.24
7.0.150.0530.00713.98
7.0.140.0530.00714.26
7.0.130.0530.00714.55
7.0.120.0570.00714.53
7.0.110.0430.01014.35
7.0.100.0500.00714.22
7.0.90.0470.00714.18
7.0.80.0500.00314.33
7.0.70.0430.01014.38
7.0.60.0400.01314.23
7.0.50.0470.00714.45
7.0.40.0430.01314.50
7.0.30.0430.01014.69
7.0.20.0470.00714.62
7.0.10.0430.01014.49
7.0.00.0470.00714.63

preferences:
132.5 ms | 1398 KiB | 7 Q