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run code in 150+ php & hhvm versions
Bugs & Features
<?php abstract class HiddenFactory { protected function __construct() { } protected static function create() { return new static(); } } class B extends HiddenFactory {} class C extends B {} class A extends HiddenFactory { protected $recordClass = 'B'; final public static function createB() { return $recordClass::create(); } } class D extends A { protected $recordClass = 'C'; } echo get_class(A::createB()); echo get_class(D::createB());
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: recordClass in /in/bMhJ2 on line 27 Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/bMhJ2:27 Stack trace: #0 /in/bMhJ2(37): A::createB() #1 {main} thrown in /in/bMhJ2 on line 27
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Cls: Expected string or object in /in/bMhJ2 on line 27
Process exited with code 255.
Output for 5.3.0 - 5.6.28
Notice: Undefined variable: recordClass in /in/bMhJ2 on line 27 Fatal error: Class name must be a valid object or a string in /in/bMhJ2 on line 27
Process exited with code 255.
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STATIC, expecting T_STRING or T_VARIABLE or '$' in /in/bMhJ2 on line 12
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STATIC, expecting T_STRING or T_VARIABLE or '$' in /in/bMhJ2 on line 12
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/bMhJ2 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_CLASS in /in/bMhJ2 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/bMhJ2 on line 3
Process exited with code 255.