3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "\n----------------php5------------------\n"; $php5 = 'Jason'; $foo['bar']['baz'] = 'php5'; var_dump($$); echo "\n----------------php7------------------\n"; $bar = 'php7'; $php7['bar']['baz'] = 'Young'; var_dump($$bar['bar']['baz']);

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)
7.0.10.0170.07720.11
7.0.00.0030.04320.24
5.6.160.0030.05020.61
5.6.150.0030.05318.18
5.6.140.0030.04318.25
5.6.130.0000.04318.28
5.6.120.0030.07720.87
5.6.110.0100.08021.00
5.6.100.0000.06721.08
5.6.90.0070.04720.96
5.6.80.0070.06720.38
5.5.300.0100.07318.09
5.5.290.0030.04017.90
5.5.280.0100.08020.89
5.5.270.0100.05320.88
5.5.260.0070.08020.83
5.5.250.0070.08020.49
5.5.240.0170.07020.25

preferences:
152.3 ms | 1394 KiB | 7 Q