<?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 Galaxy();
echo $vendor->make();
Fatal error: Declaration of Galaxy::make() must be compatible with Samsung::make(): string in /in/gvqog on line 13
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Fatal error: Declaration of Galaxy::make() must be compatible with Samsung::make(): string in /in/gvqog 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/gvqog on line 12
Process exited with code 255.
Output for 7.1.0 - 7.1.33
Recoverable fatal error: Object of class Samsung could not be converted to string in /in/gvqog on line 19
Process exited with code 255.
Output for 7.0.0 - 7.0.33
Catchable fatal error: Object of class Samsung could not be converted to string in /in/gvqog on line 19
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/gvqog on line 7
Process exited with code 255.