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<?php $string = "Hello%s%s"; str_replace('%s', '1', $string, $count = 0); echo $count;
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: str_replace(): Argument #4 ($count) cannot be passed by reference in /in/d392j:3 Stack trace: #0 {main} thrown in /in/d392j on line 3
Process exited with code 255.

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