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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 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.25 - 5.4.45, 5.5.9 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.30, 8.0.0 - 8.0.23, 8.1.0 - 8.1.10
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
Parse error: syntax error, unexpected T_CLASS in /in/TJWQR on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_CLASS in /in/TJWQR on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TJWQR on line 3
Process exited with code 255.

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