Function sortByKey
Sorts given $array by key $sortBy.
 Package: Cake
Link: https://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#sortByKey
Copyright: Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
License: MIT License
Located at Cake/basics.php
 
 Link: https://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#sortByKey
Copyright: Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
License: MIT License
Located at Cake/basics.php
sortByKey( array $array string $sortBy string $order 'asc' integer $type SORT_NUMERIC )
Parameters summary
array |  & $array |  $array Array to sort | 
string |  $sortBy |  Sort by this key | 
string |  $order = 'asc' |  Sort order asc/desc (ascending or descending). | 
integer |  $type = SORT_NUMERIC |  Type of sorting to perform | 
Returns
-  
array|nullSorted array, or null if not an array. 
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    https://api.cakephp.org/2.10/function-sortByKey.html