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run code in 300+ PHP versions simultaneously
<?php class Foo { var $boo; function Foo() { $this->boo = md5('foo'); } function go() { echo $this->boo . PHP_EOL; } } $a = new Foo(); $a->go(); var_dump(memory_get_peak_usage());
Output for git.master
int(425864)
Output for git.master_jit
int(385040)
Output for rfc.property-hooks
int(425832)

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