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<?php class Shirt { public function test() { return "Shirt"; } } class Sweater extends Shirt { public function test() { return "Sweater"; } public function doSweaterStuff() { echo "This is a sweater!"; } } $shirt = new Shirt(); output_shirt($shirt); function output_shirt(Sweater $sweater) { $sweater->doSweaterStuff(); echo $sweater->test(); }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: output_shirt(): Argument #1 ($sweater) must be of type Sweater, Shirt given, called in /in/u7gXP on line 29 and defined in /in/u7gXP:31 Stack trace: #0 /in/u7gXP(29): output_shirt(Object(Shirt)) #1 {main} thrown in /in/u7gXP on line 31
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to output_shirt() must be an instance of Sweater, instance of Shirt given, called in /in/u7gXP on line 29 and defined in /in/u7gXP:31 Stack trace: #0 /in/u7gXP(29): output_shirt(Object(Shirt)) #1 {main} thrown in /in/u7gXP on line 31
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Catchable fatal error: Argument 1 passed to output_shirt() must be an instance of Sweater, instance of Shirt given, called in /in/u7gXP on line 29 and defined in /in/u7gXP on line 31
Process exited with code 255.
preferences:
150.47 ms | 402 KiB | 183 Q