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@ 2015-11-30T15:34:31Z

<?php

$f1 = function() { return 'a'; };
$f2 = function() { return 'b'; };
$f3 = $f1;

var_dump(spl_object_hash($f1));
var_dump(spl_object_hash($f2));
var_dump(spl_object_hash($f3));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
spl_object_hash: documentation ( source)

preferences:dark modelive preview

49.68 ms | 402 KiB | 5 Q