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<?php var_dump(array_unique( array_map( function(&$val) { return strtoupper($val); }, openssl_get_md_methods() ) ));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function openssl_get_md_methods() in /in/JJSvL:9 Stack trace: #0 {main} thrown in /in/JJSvL on line 9
Process exited with code 255.

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