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<?php $a = array(); for ($i = 0; $i < 10000; $i += 1) { $a[] = new ArrayObject(array("a" => "b")); } var_dump((memory_get_peak_usage(true) / 1024 / 1024) . "MB");
Output for git.master, git.master_jit, rfc.property-hooks
string(3) "6MB"

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32.09 ms | 401 KiB | 8 Q