3v4l.org

run code in 500+ PHP versions simultaneously
<?php function doSmth(int $mem): void { $array = range(0, 99); echo 'memory in function: ' . memory_get_usage() - $mem . PHP_EOL; } // Сначала инициализируем переменную $mem $mem = memory_get_usage(); echo 'init $mem' . PHP_EOL; echo 'memory before use: ' . memory_get_usage() . PHP_EOL; doSmth($mem); echo 'memory after use: ' . memory_get_usage() - $mem . PHP_EOL;

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)
8.2.70.0110.00679.33
8.2.60.0180.00279.33
8.2.50.0170.00379.33
8.2.40.0130.00579.33
8.2.30.0110.00679.33
8.2.20.0090.00779.33
8.2.10.0120.00779.33
8.2.00.0130.00579.33
8.1.200.0110.00779.33
8.1.190.0120.00779.33
8.1.180.0090.00979.33
8.1.170.0120.00779.33
8.1.160.0130.00579.33
8.1.150.0150.00479.33
8.1.140.0110.00679.33
8.1.130.0090.00979.33
8.1.120.0140.00679.33
8.1.110.0140.00379.33
8.1.100.0110.00779.33
8.1.90.0120.00779.33
8.1.80.0100.00879.33
8.1.70.0130.00579.33
8.1.60.0160.00479.33
8.1.50.0150.00479.33
8.1.40.0150.00579.33
8.1.30.0150.00579.33
8.1.20.0150.00579.33
8.1.10.0130.00779.33
8.1.00.0160.00479.33
8.0.290.0140.00579.33
8.0.280.0130.00679.33
8.0.270.0110.00779.33
8.0.260.0150.00479.33
8.0.250.0140.00479.33
8.0.240.0110.00679.33
8.0.230.0140.00479.33
8.0.220.0120.00779.33
8.0.210.0130.00579.33
8.0.200.0110.00879.33
8.0.190.0130.00879.33
8.0.180.0120.00779.33
8.0.170.0150.00379.33
8.0.160.0150.00379.33
8.0.150.0130.00679.33
8.0.140.0120.00579.33
8.0.130.0160.00479.33
8.0.120.0150.00679.33
8.0.110.0180.00279.33
8.0.100.0140.00579.33
8.0.90.0140.00479.33
8.0.80.0130.00579.33
8.0.70.0110.00779.33
8.0.60.0130.00579.33
8.0.50.0120.00679.33
8.0.30.0130.00579.33
8.0.20.0140.00579.33
8.0.10.0100.00879.33

preferences:
51.29 ms | 719 KiB | 5 Q