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<?php class Test1 { public function __construct(&$x){ ++$x; echo "You sent me $x\n"; } } $x = 8; $o = new Test1($z = $x); var_dump($z,$z == $GLOBALS['z']); class Test2 { public function __construct(&$x){ ++$x; echo "You sent me $x\n"; } } $a = 8; $o = new Test2($b = &$a); var_dump($b,$b == $GLOBALS['b']);
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Test1::__construct(): Argument #1 ($x) could not be passed by reference in /in/362NS:9 Stack trace: #0 {main} thrown in /in/362NS on line 9
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Fatal error: Uncaught Error: Test1::__construct(): Argument #1 ($x) cannot be passed by reference in /in/362NS:9 Stack trace: #0 {main} thrown in /in/362NS on line 9
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Only variables should be passed by reference in /in/362NS on line 9 You sent me 9 int(8) bool(true) You sent me 9 int(9) bool(true)
Output for 7.3.32 - 7.3.33, 7.4.26
You sent me 9 int(8) bool(true) You sent me 9 int(9) bool(true)
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Strict Standards: Only variables should be passed by reference in /in/362NS on line 9 You sent me 9 int(8) bool(true) You sent me 9 int(9) bool(true)
Output for 5.0.0 - 5.0.5
Fatal error: Only variables can be passed by reference in /in/362NS on line 9
Process exited with code 255.
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/362NS 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_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/362NS 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/362NS on line 3
Process exited with code 255.
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