3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pass = str_repeat('a', 1024 * 1024 * 1); echo memory_get_peak_usage()/(1024*1024) . 'MB';
Output for git.master
1.372200012207MB
Output for git.master_jit
1.3334503173828MB
Output for rfc.property-hooks
1.3721694946289MB

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48.03 ms | 401 KiB | 8 Q