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run code in 150+ php & hhvm versions
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<?php abstract class first { protected $someArray = array(); } class second extends first { protected $someArray = array(); protected $someValue = null; public function __construct($someValue) { $this->someValue = $someValue; } } $objFirst = new second('123'); $objSecond = new second('321'); var_dump($objFirst == $objSecond); print_r($objFirst); var_dump($objFirst == $objSecond);
Output for 5.0.0 - 5.3.29, 5.4.25 - 5.4.45, 5.5.9 - 7.1.0
bool(false) second Object ( [someArray:protected] => Array ( ) [someValue:protected] => 123 ) bool(false)
Output for 5.4.0 - 5.4.24, 5.5.0 - 5.5.8
bool(true) second Object ( [someArray:protected] => Array ( ) [someValue:protected] => 123 ) bool(false)
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_CLASS in <b>/in/PXG6V</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_CLASS in <b>/in/PXG6V</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/PXG6V</b> on line <b>5</b><br />
Process exited with code 255.