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run code in 300+ PHP versions simultaneously
<?php $pass = str_repeat('a', 1024 * 512); echo strlen($pass . $pass), "\n"; echo memory_get_peak_usage(), "\n", memory_get_peak_usage()/(1024*1024) . 'MB';
Output for git.master
1048576 1967536 1.8763885498047MB
Output for git.master_jit
1048576 1927016 1.8377456665039MB
Output for rfc.property-hooks
1048576 1967504 1.8763580322266MB

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39.75 ms | 401 KiB | 8 Q