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php 5.4.3+patches

--TEST--
Testing to implement Serializable interface by traits
--FILE--
<?php

trait foo {
	public function serialize() {
		return 'foobar';
	}
	public function unserialize($x) {
		var_dump($x);
	}
}

class bar implements Serializable {
	use foo;
}

var_dump($o = serialize(new bar));
var_dump(unserialize($o));

?>
--EXPECTF--
string(20) "C:3:"bar":6:{foobar}"
string(6) "foobar"
object(bar)#%d (0) {
}