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<?php $class = NonExistentClass::class; var_dump( class_exists($class) ); new $class();
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) Fatal error: Uncaught Error: Class "NonExistentClass" not found in /in/Yob61:9 Stack trace: #0 {main} thrown in /in/Yob61 on line 9
Process exited with code 255.

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