<?php $domd=new DOMDocument(); $str = "DOMDocument"; var_dump($domd instanceof $str); // ^ is legal. // V is illegal // var_dump($domd instanceof "DOMDocument"); $code = ' var_dump($domd instanceof "DOMDocument"); '; eval($code); // the eval hack is for illustration, make it an error at run-time, rather than compile-time.
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Value for `_results` contains invalid data `array`