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run code in 300+ PHP versions simultaneously
<?php $a = function($b = '1'){$a = '123';}; echo spl_object_hash($a) . PHP_EOL; echo spl_object_hash($a);
Output for git.master, git.master_jit, rfc.property-hooks
00000000000000010000000000000000 00000000000000010000000000000000

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