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<?php echo substr(0,6,'test substr dsfdsf sd');
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: substr(): Argument #3 ($length) must be of type ?int, string given in /in/SmWPB:2 Stack trace: #0 /in/SmWPB(2): substr('0', 6, 'test substr dsf...') #1 {main} thrown in /in/SmWPB on line 2
Process exited with code 255.

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