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<?php class A { private $ref; function __construct () { $this->ref = new class() { public $name; public function sayName() : string { return $name; } }; } public function create (string $name) { $this->ref->name = $name; return clone $this->ref; } } $A = new A(); $testA = $A->create("matti"); $testB = $A->create("Pekka"); var_dump($testA->sayName()); var_dump($testB->sayName());
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 $name in /in/eNmMT on line 13 Fatal error: Uncaught TypeError: class@anonymous::sayName(): Return value must be of type string, null returned in /in/eNmMT:13 Stack trace: #0 /in/eNmMT(30): class@anonymous->sayName() #1 {main} thrown in /in/eNmMT on line 13
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: name in /in/eNmMT on line 13 Fatal error: Uncaught TypeError: Return value of class@anonymous::sayName() must be of the type string, null returned in /in/eNmMT:13 Stack trace: #0 /in/eNmMT(30): class@anonymous->sayName() #1 {main} thrown in /in/eNmMT on line 13
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught TypeError: Return value of class@anonymous::sayName() must be of the type string, null returned in /in/eNmMT:13 Stack trace: #0 /in/eNmMT(30): class@anonymous->sayName() #1 {main} thrown in /in/eNmMT on line 13
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/eNmMT on line 9
Process exited with code 255.

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