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<?php class Test { public function __construct(&$x){ ++$x; echo "You sent me $x\n"; } } $a = 8; $b = &$a; $o = new Test($b); var_dump($b == $GLOBALS['b']);
Output for 5.0.0 - 7.1.0
You sent me 9 bool(true)
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/rW49N on line 3
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/rW49N on line 3
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/rW49N on line 3
Process exited with code 255.