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<?php class x { function foo() { print "foo"; } function bar() { $x = array('self', "foo"); call_user_func($x); $x(); } } $a = new x; $a->bar(); ?>
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Use of "self" in callables is deprecated in /in/83trW on line 8 foo Fatal error: Uncaught Error: Class "self" not found in /in/83trW:9 Stack trace: #0 /in/83trW(13): x->bar() #1 {main} thrown in /in/83trW on line 9
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
foo Fatal error: Uncaught Error: Class "self" not found in /in/83trW:9 Stack trace: #0 /in/83trW(13): x->bar() #1 {main} thrown in /in/83trW on line 9
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
foo Fatal error: Uncaught Error: Class 'self' not found in /in/83trW:9 Stack trace: #0 /in/83trW(13): x->bar() #1 {main} thrown in /in/83trW on line 9
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
foo Fatal error: Class 'self' not found in /in/83trW on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.1, 5.3.0 - 5.3.29
foo Fatal error: Function name must be a string in /in/83trW on line 9
Process exited with code 255.
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.17
Strict Standards: Non-static method x::foo() cannot be called statically, assuming $this from compatible context x in /in/83trW on line 8 foo Fatal error: Function name must be a string in /in/83trW on line 9
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Warning: call_user_func(self::foo): First argument is expected to be a valid callback in /in/83trW on line 8 Notice: Array to string conversion in /in/83trW on line 9 Fatal error: Call to undefined function: array() in /in/83trW on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Warning: call_user_func(self::foo): First argument is expected to be a valid callback in /in/83trW on line 8 Notice: Array to string conversion in /in/83trW on line 9 Fatal error: Call to undefined function: array() in /in/83trW on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Warning: call_user_func(self::foo) [http://www.php.net/function.call-user-func]: First argument is expected to be a valid callback in /in/83trW on line 8 Notice: Array to string conversion in /in/83trW on line 9 Fatal error: Call to undefined function: array() in /in/83trW on line 9

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