Last active
October 11, 2015 03:07
-
-
Save datayja/3792991 to your computer and use it in GitHub Desktop.
Array merge, derivation style
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <?php | |
| function array_merge_derivation (array $base, array $derived) | |
| { | |
| $merged = []; | |
| foreach ($base as $base_key => $base_value) { | |
| $merged[$base_key] = $base_value; | |
| if (isset($derived[$base_key])) { | |
| if (\is_array($base_value)) { | |
| $merged[$base_key] = array_merge_derivation($base[$base_key], $derived[$base_key]); | |
| } else { | |
| $merged[$base_key] = $derived[$base_key]; | |
| } | |
| } | |
| } | |
| foreach ($derived as $derived_key => $derived_value) { | |
| if (!isset($merged[$derived_key])) { | |
| $merged[$derived_key] = $derived_value; | |
| } | |
| } | |
| return $merged; | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Use this method to merge two arrays in the following way: base array for default values, derived array for overrides.