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<?php $name = "survey_que3"; $key=explode("survey_que",$name); print_r(array_filter($key,""));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_filter(): Argument #2 ($callback) must be a valid callback or null, function "" not found or invalid function name in /in/rnhPY:7 Stack trace: #0 /in/rnhPY(7): array_filter(Array, '') #1 {main} thrown in /in/rnhPY on line 7
Process exited with code 255.

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