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<?php $a=md5('QNKCDZO'); if(numeric($a)){ echo 'yes'; } else echo 'no';
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function numeric() in /in/lP2lY:3 Stack trace: #0 {main} thrown in /in/lP2lY on line 3
Process exited with code 255.

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