3v4l.org

run code in 500+ PHP versions simultaneously
<?php namespace MediaWiki\Language; class ReplacementArray { private $data; public function __construct( $data ) { $this->data = $data; } public function __sleep() { return [ 'data' ]; } } class_alias( ReplacementArray::class, 'ReplacementArray' ); var_dump( unserialize( 'O:16:"ReplacementArray":1:{s:22:"' . "\0" . 'ReplacementArray' . "\0" . 'data";a:1:{i:0;i:1;}}' ) );

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)
8.5.70.0040.00418.61
8.5.60.0070.00816.80
8.5.50.0090.00416.45
8.5.30.0080.01118.12
8.5.20.0130.00420.15
8.5.10.0080.01116.59
8.5.00.0120.00922.71
8.4.220.0060.00319.49
8.4.210.0050.00519.46
8.4.180.0110.01222.17
8.4.170.0120.00923.75
8.4.160.0110.01322.00
8.4.150.0080.00616.90
8.4.140.0090.01217.53
8.4.130.0140.00719.25
8.4.120.0090.01117.65
8.4.90.0130.00917.84
8.3.310.0100.00918.18
8.3.300.0110.00720.71
8.3.290.0080.01220.75
8.3.280.0080.00616.16
8.3.270.0100.00916.61
8.3.260.0090.00616.46
8.3.250.0110.01216.78
8.3.180.0100.01116.52
8.3.50.0090.01016.48
8.2.310.0110.00918.11
8.2.300.0100.01220.20
8.1.340.0120.00921.74

preferences:
60.54 ms | 613 KiB | 5 Q