Req #66435 [Com]: Suggestion: Preserve original index in function array_column()

Edit report at https://bugs.php.net/bug.php?id=66435&edit=1 ID: 66435 Comment by: ramsey@php.net Reported by: djot at hotmail dot com Summary: Suggestion: Preserve original index in function array_column() Status: Assigned Type: Feature/Change Request Package: Arrays related PHP Version: Irrelevant Assigned To: ramsey Block user comment: N Private report: N New Comment: See also discussion here on the userland polyfill for array_column(): https://github.com/ramsey/array_column/issues/3 Previous Comments: ------------------------------------------------------------------------ [2014-01-07 14:57:45] djot at hotmail dot com Description: ------------ --- From manual page: http://www.php.net/function.array-column --- PHP v5.5.0 and above --- Assuming you have an ARRAY like this, you cannot preserve 'original_index': $arr['original_index'] = ARRAY('new_index'=>'foo', 'value'=>'bar'); // => results in lost original_index: $arr = array_column($arr, NULL, 'new_index'); $arr['foo'] = ARRAY('new_index'=>'foo', 'value'=>'bar'); Suggestion: Option, to preserve original index: array array_column ( array $array , mixed $column_key [, mixed $index_key = null ] [, mixed $column_index_original] ) // => "Push" original index as column 'old_index' to the ARRAY. $arr = array_column($arr, NULL, 'new_index', 'old_index'); $arr['foo'] = ARRAY('new_index'=>'foo', 'value'=>'bar', 'old_index'=>'original_index'); ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=66435&edit=1