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<?php function arrayStack( $array, $dash ){ foreach($array as $value){ if(isset($value['id'])){ echo str_repeat("-", $dash).$value['id'].'<br/>'; }else{ $dash++; arrayStack( $value, $dash ); $dash--; } } } arrayStack( $myArray, 0 );
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $myArray in /in/5v57j on line 16 Warning: foreach() argument must be of type array|object, null given in /in/5v57j on line 5

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