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<?php $arr = array('a', 'b', 'c', 'd', 'e', 'f'); //$str = implode(array_walk(array_reverse($arr), function($v,$k){if($k%3==0)$v.=';';})); //print_r(array_map(function($v){if($k%3==0)$v.=';';}), array_reverse($arr)); $str = str_reverse(chunk_split(implode(array_reverse($arr)), 3, ';')); echo $str;
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function str_reverse() in /in/2qhuj:5 Stack trace: #0 {main} thrown in /in/2qhuj on line 5
Process exited with code 255.

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