3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace bar { class baz {} } namespace foo { use bar; class bar {} echo foo\bar::class . "\n"; echo \foo\bar::class . "\n"; echo bar\baz::class . "\n"; echo \bar\baz::class . "\n"; }

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)
7.1.70.0070.01117.09
7.1.60.0210.01235.00
7.1.50.0340.01734.73
7.1.40.0240.01834.29
7.1.30.0330.01934.39
7.1.20.0390.00834.45
7.1.10.0060.01916.39
7.1.00.0030.01916.47
7.0.200.0150.00816.71
7.0.190.0130.01116.35
7.0.180.0060.01616.11
7.0.170.0050.01615.95
7.0.160.0050.01716.21
7.0.150.0120.01116.12
7.0.140.0070.01416.19
7.0.130.0060.01516.43
7.0.120.0060.01516.41
7.0.110.0180.00016.34
7.0.100.0000.01716.13
7.0.90.0090.01116.06
7.0.80.0060.01316.16
7.0.70.0060.01516.08
7.0.60.0060.01616.11
7.0.50.0070.01616.16
7.0.40.0140.00716.48
7.0.30.0110.01016.35
7.0.20.0060.01316.36
7.0.10.0100.01016.37
7.0.00.0110.00816.53

preferences:
141.83 ms | 1394 KiB | 7 Q