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<?php class foo { static function bar() { echo 'hello world'; } } $callback = 'foo:bar'; $callback();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function foo:bar() in /in/R93IH:9 Stack trace: #0 {main} thrown in /in/R93IH on line 9
Process exited with code 255.

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