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@ 2014-08-13T08:42:25Z

<?php
$o = new stdClass();
$o->var = 123;
$new_o = $o; //等于$new_o = & $o;
unset($new_o);
var_dump($o);

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

35.64 ms | 402 KiB | 5 Q