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<?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.
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
bool(true) Parse error: syntax error, unexpected double-quoted string "DOMDocument" in /in/hVE15(12) : eval()'d code on line 2
Process exited with code 255.
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