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<?php function f ($name, $vars) { var_dump($vars); return $name; } trait A { function bar() { var_dump(get_class(), get_class(null), get_class(self), get_class(${f('this', array_keys(get_defined_vars()))})); } } class B { use A; } $f = new B; $f->bar();
Output for 8.3.0 - 8.3.6
Deprecated: Calling get_class() without arguments is deprecated in /in/fSTuF on line 6 Fatal error: Uncaught TypeError: get_class(): Argument #1 ($object) must be of type object, null given in /in/fSTuF:6 Stack trace: #0 /in/fSTuF(6): B->bar() #1 {main} thrown in /in/fSTuF on line 6
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 TypeError: get_class(): Argument #1 ($object) must be of type object, null given in /in/fSTuF:6 Stack trace: #0 /in/fSTuF(6): B->bar() #1 {main} thrown in /in/fSTuF on line 6
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: get_class() expects parameter 1 to be object, null given in /in/fSTuF on line 6 Warning: Use of undefined constant self - assumed 'self' (this will throw an Error in a future version of PHP) in /in/fSTuF on line 6 Warning: get_class() expects parameter 1 to be object, string given in /in/fSTuF on line 6 array(0) { } string(1) "B" bool(false) bool(false) string(1) "B"
Output for 7.1.0 - 7.1.25
Notice: Use of undefined constant self - assumed 'self' in /in/fSTuF on line 6 Warning: get_class() expects parameter 1 to be object, string given in /in/fSTuF on line 6 array(0) { } string(1) "B" string(1) "B" bool(false) string(1) "B"
Output for 7.0.0 - 7.0.20
Notice: Use of undefined constant self - assumed 'self' in /in/fSTuF on line 6 Warning: get_class() expects parameter 1 to be object, string given in /in/fSTuF on line 6 array(1) { [0]=> string(4) "this" } string(1) "B" string(1) "B" bool(false) string(1) "B"
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Notice: Use of undefined constant self - assumed 'self' in /in/fSTuF on line 6 Warning: get_class() expects parameter 1 to be object, string given in /in/fSTuF on line 6 array(0) { } Notice: Undefined variable: this in /in/fSTuF on line 6 string(1) "B" string(1) "B" bool(false) string(1) "B"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/fSTuF on line 6
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/fSTuF on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/fSTuF on line 6
Process exited with code 255.
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