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<?php interface Vendor { public function make(); } class Samsung implements Vendor{ public function make() :string { return "This is Samsung product"; } } class Galaxy extends Samsung { public function make() { return new Samsung(); } } $vendor = new Samsung(); echo $vendor->make();
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Declaration of Galaxy::make() must be compatible with Samsung::make(): string in /in/W4l0H on line 13
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Declaration of Galaxy::make() must be compatible with Samsung::make(): string in /in/W4l0H on line 12
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
This is Samsung product
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/W4l0H on line 7
Process exited with code 255.
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