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<?php abstract class Model { protected static $__columns = []; protected static $cache = []; public function test() { var_dump($modelName::$cache); $modelName = get_class($this); $modelName::$cache = $modelName::$__columns; var_dump($modelName::$cache); } } class A extends Model { protected static $__columns = ["aaa", "aa", "a"]; } class B extends Model { protected static $__columns = ["bbb", "bb", "b"]; } $a = new A(); $a->test(); $b = new B(); $b->test(); $a->test();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $modelName in /in/BHup4 on line 9 Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/BHup4:9 Stack trace: #0 /in/BHup4(26): Model->test() #1 {main} thrown in /in/BHup4 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 - 7.4.33
Notice: Undefined variable: modelName in /in/BHup4 on line 9 Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/BHup4:9 Stack trace: #0 /in/BHup4(26): Model->test() #1 {main} thrown in /in/BHup4 on line 9
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/BHup4:9 Stack trace: #0 /in/BHup4(26): Model->test() #1 {main} thrown in /in/BHup4 on line 9
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Notice: Undefined variable: modelName in /in/BHup4 on line 9 Fatal error: Class name must be a valid object or a string in /in/BHup4 on line 9
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/BHup4 on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/BHup4 on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/BHup4 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_CLASS in /in/BHup4 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/BHup4 on line 3
Process exited with code 255.

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