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--TEST--
SPL: spl_object_id()
--FILE--
<?php
var_dump(spl_object_id(new stdClass));
var_dump(spl_object_id(42));
var_dump(spl_object_id());
$a = new stdClass();
var_dump(spl_object_id(new stdClass) === spl_object_id($a));
?>
--EXPECTF--
int(%d)
Warning: spl_object_id() expects parameter 1 to be object, int given in %sspl_object_id.php on line %d
NULL
Warning: spl_object_id() expects exactly 1 parameter, 0 given in %sspl_object_id.php on line %d
NULL
bool(false)
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