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[WordPress] A strategy for naturally ordering a small collection of taxonomy terms.
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<?php | |
/** | |
* An example for how to query for custom taxonomies and then naturally | |
* order their terms. | |
* | |
* The example used here is in the context of a book that has chapters | |
* such as: | |
* | |
* - Chapter 1 | |
* - Chapter 2 | |
* - ... | |
* - Chapter 10 | |
* - Chapter 11 | |
* | |
* Originally published March 7, 2014 | |
* http://tommcfarlin.com/wordpress-terms-in-alphabetical-order/ | |
*/ | |
// Grab the terms for the current taxonomy | |
$book_term = get_term_by( 'name', $book_name, 'tax_book' ); | |
// Now grab the chapters for the current book | |
$chapter_ids = get_term_children( $book_term->term_id, 'tax_book' ); | |
// Iterate through the chapter IDs and add the full term to an array | |
$chapters = array(); | |
for ( $i = 0, $l < count( $chapter_ids ); $i < $l; $i++ ) { | |
array_push( $chapters, get_term_by( 'id', $chapter_ids[ $i], 'tax_book' ) ); | |
} // end for | |
// Create an associative array of the chapters using their term ID and chapter name | |
$organized_chapters = array(); | |
foreach ( $chapters as $chapter ) { | |
$organized_chapters[ $chapter->term_id ] = $chapter->name; | |
} | |
// Now sort the chapters in natural order | |
natsort( $organized_chapters ); |
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