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<?php class A { public $b = 2; function &a() { return $this->b; } } $o = new A(); $b = $o->a(); $b = 3; var_dump($o);
Output for 7.0.0 - 7.1.0
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; A has a deprecated constructor in /in/9pPBE on line 3 object(A)#1 (1) { ["b"]=> int(2) }
Output for 5.1.0 - 5.6.28
object(A)#1 (1) { ["b"]=> int(2) }
Output for 5.0.0 - 5.0.5
object(A)#1 (1) { ["b"]=> &int(2) }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/9pPBE on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/9pPBE on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/9pPBE on line 4
Process exited with code 255.