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<?php class X { } class XFactory { private $className = 'X'; private function getClassName() { return $this->className; } public function create() { return array( 'member without parens' => new $this->className, 'member with parens' => new $this->className(), // 'method without parens' => new $this->getClassName, # Does not work at all 'method with parens' => new $this->getClassName(), 'method with double parens' => new ($this->getClassName())(), 'method with encapsed parens' => new ($this->getClassName())(), ); } } $factory = new XFactory(); var_dump($factory->create());
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18, 8.3.0 - 8.3.7
Warning: Undefined property: XFactory::$getClassName in /in/ErFI9 on line 22 Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/ErFI9:22 Stack trace: #0 /in/ErFI9(30): XFactory->create() #1 {main} thrown in /in/ErFI9 on line 22
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.34
Parse error: syntax error, unexpected '(' in /in/ErFI9 on line 23
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected '(', expecting T_STRING or T_VARIABLE or '$' in /in/ErFI9 on line 23
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '(', expecting T_STRING or T_VARIABLE or '$' in /in/ErFI9 on line 23
Process exited with code 255.
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/ErFI9 on line 9
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/ErFI9 on line 9
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/ErFI9 on line 9
Process exited with code 255.
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