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)
7.0.10.0100.08720.09
7.0.00.0070.07320.24
5.6.160.0070.07320.52
5.6.150.0100.05318.19
5.6.140.0100.05018.24
5.6.130.0030.07718.29
5.6.120.0070.07721.02
5.6.110.0030.08721.13
5.6.100.0030.07020.96
5.6.90.0070.04721.11
5.6.80.0070.03720.37
5.5.300.0000.05317.99
5.5.290.0130.08017.95
5.5.280.0130.08020.77
5.5.270.0030.04320.77
5.5.260.0130.07720.88
5.5.250.0100.06720.71
5.5.240.0170.02720.22

preferences:
140.39 ms | 1394 KiB | 7 Q