3v4l.org

run code in 300+ PHP versions simultaneously
<?php function addFive($num) { $num += 5; } function addSix(&$num) { $num += 6; } $orignum = 10; addFive( &$orignum ); echo "Original Value is $orignum“; addSix( $orignum ); echo “Original Value is $orignum “;

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)
7.0.10.0130.08020.10
7.0.00.0070.04720.33
5.6.160.0170.06320.71
5.6.150.0030.08718.27
5.6.140.0030.04718.18
5.6.130.0070.06318.21
5.6.120.0000.05020.97
5.6.110.0030.08721.02
5.6.100.0100.08021.03
5.6.90.0070.07720.95
5.6.80.0100.03720.54
5.5.300.0070.06017.96
5.5.290.0070.07018.04
5.5.280.0230.07020.87
5.5.270.0100.05020.68
5.5.260.0030.08020.86
5.5.250.0070.05720.46
5.5.240.0300.06020.26

preferences:
133.03 ms | 1398 KiB | 7 Q