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run code in 150+ php & hhvm versions
Bugs & Features
<?php //Source https://bugs.php.net/bug.php?id=62328 class UberSimpleXML extends SimpleXMLElement { public function __toString() { return 'stringification'; } } $xml = new UberSimpleXML('<xml/>'); $xml->tag = "stuff"; echo "\nno cast: ". $xml; echo "\ncast: ". (string)$xml; echo "\nexplicit call:". $xml->__toString(); var_dump((string) $xml); var_dump($xml->__toString());
Output for 5.4.7 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
no cast: stringification cast: stringification explicit call:stringificationstring(15) "stringification" string(15) "stringification"
Output for 5.2.10 - 5.4.6
no cast: cast: explicit call:stringificationstring(0) "" string(15) "stringification"