3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Bar {}; class Bla {}; class Foo extends Bla {}; $foo = new Foo(); var_dump($foo instanceof 'Bar');

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)
7.1.70.0070.01317.03
7.1.60.0520.01233.02
7.1.50.0460.02032.98
7.1.40.0350.01632.47
7.1.30.0430.01232.42
7.1.20.0310.01734.69
7.1.10.0090.01116.39
7.1.00.0130.00616.42
7.0.200.0330.00314.64
7.0.190.0250.01514.83
7.0.180.0300.01614.00
7.0.170.0270.01214.12
7.0.160.0080.01416.29
7.0.150.0030.01716.14
7.0.140.0090.00616.21
7.0.130.0180.00316.45
7.0.120.0070.01116.36
7.0.110.0000.01816.34
7.0.100.0060.01316.19
7.0.90.0000.01516.02
7.0.80.0070.01416.05
7.0.70.0060.01316.03
7.0.60.0120.00615.95
7.0.50.0060.01216.09
7.0.40.0070.00716.49
7.0.30.0060.01116.08
7.0.20.0040.01116.22
7.0.10.0060.01016.38
7.0.00.0030.01216.14

preferences:
150.22 ms | 1398 KiB | 7 Q