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<?php function demo(callable $callback) { $callback(); } class A { function great($name) { return 'Hello ' . $name; } } demo(new class ("Monde") extends A { public function __invoke() { echo $this->greate('world'); } });
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Call to undefined method A@anonymous::greate() in /in/PoMh9:16 Stack trace: #0 /in/PoMh9(4): A@anonymous->__invoke() #1 /in/PoMh9(14): demo(Object(A@anonymous)) #2 {main} thrown in /in/PoMh9 on line 16
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: Uncaught Error: Call to undefined method A@anonymous::greate() in /in/PoMh9:16 Stack trace: #0 /in/PoMh9(4): A@anonymous->__invoke() #1 /in/PoMh9(14): demo(Object(A@anonymous)) #2 {main} thrown in /in/PoMh9 on line 16
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Call to undefined method class@anonymous::greate() in /in/PoMh9:16 Stack trace: #0 /in/PoMh9(4): class@anonymous->__invoke() #1 /in/PoMh9(14): demo(Object(class@anonymous)) #2 {main} thrown in /in/PoMh9 on line 16
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/PoMh9 on line 14
Process exited with code 255.

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