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<?php class A { private $p1 = "secret"; public function B() { var_dump($this); //$this = test; var_dump($this_var); ${'t' . 'his'} = 'hidden'; // works var_dump($this); var_dump($GLOBALS['this']); // class is global but $this is not since only refers to this particular object. $GLOBALS['this'] = 'lovely'; var_dump($this, $GLOBALS['this']); echo "{$GLOBALS['this']} $this {$this->p1}"; } } $a = new A; $a->B();
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Cannot re-assign $this in /in/dk1GY on line 9
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
object(A)#1 (1) { ["p1":"A":private]=> string(6) "secret" } Warning: Undefined variable $this_var in /in/dk1GY on line 8 NULL Fatal error: Uncaught Error: Cannot re-assign $this in /in/dk1GY:9 Stack trace: #0 /in/dk1GY(19): A->B() #1 {main} thrown in /in/dk1GY on line 9
Process exited with code 255.
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
object(A)#1 (1) { ["p1":"A":private]=> string(6) "secret" } Notice: Undefined variable: this_var in /in/dk1GY on line 8 NULL Fatal error: Uncaught Error: Cannot re-assign $this in /in/dk1GY:9 Stack trace: #0 /in/dk1GY(19): A->B() #1 {main} thrown in /in/dk1GY on line 9
Process exited with code 255.
Output for 7.3.32 - 7.3.33
object(A)#1 (1) { ["p1":"A":private]=> string(6) "secret" } NULL Fatal error: Uncaught Error: Cannot re-assign $this in /in/dk1GY:9 Stack trace: #0 /in/dk1GY(19): A->B() #1 {main} thrown in /in/dk1GY on line 9
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
object(A)#1 (1) { ["p1":"A":private]=> string(6) "secret" } Notice: Undefined variable: this_var in /in/dk1GY on line 8 NULL string(6) "hidden" Notice: Undefined index: this in /in/dk1GY on line 11 NULL string(6) "hidden" string(6) "lovely" lovely hidden secret
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
object(A)#1 (1) { ["p1:private"]=> string(6) "secret" } Notice: Undefined variable: this_var in /in/dk1GY on line 8 NULL string(6) "hidden" Notice: Undefined index: this in /in/dk1GY on line 11 NULL string(6) "hidden" string(6) "lovely" lovely hidden secret
Output for 5.0.0 - 5.0.3
object(A)#1 (1) { ["p1:private"]=> string(6) "secret" } Notice: Undefined variable: this_var in /in/dk1GY on line 8 NULL string(6) "hidden" Notice: Undefined index: this in /in/dk1GY on line 11 NULL string(6) "hidden" string(6) "lovely" lovely hidden secret
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/dk1GY 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/dk1GY 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/dk1GY on line 3
Process exited with code 255.
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