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<?php $str = 'hello'; echo substr(-1);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: substr() expects at least 2 arguments, 1 given in /in/s3rDp:4 Stack trace: #0 /in/s3rDp(4): substr(-1) #1 {main} thrown in /in/s3rDp on line 4
Process exited with code 255.

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