Created
May 31, 2021 06:02
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Filter Custom Post Types by Taxonomy in WP Admin Dashboard
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<?php | |
add_action( 'restrict_manage_posts', 'filter_backend_by_taxonomies' , 99, 2); | |
/* Filter CPT via Custom Taxonomy */ | |
/* https://generatewp.com/filtering-posts-by-taxonomies-in-the-dashboard/ */ | |
function filter_backend_by_taxonomies( $post_type, $which ) { | |
// Apply this to a specific CPT | |
if ( 'team' !== $post_type ) | |
return; | |
// A list of custom taxonomy slugs to filter by | |
$taxonomies = array( 'department' ); | |
foreach ( $taxonomies as $taxonomy_slug ) { | |
// Retrieve taxonomy data | |
$taxonomy_obj = get_taxonomy( $taxonomy_slug ); | |
$taxonomy_name = $taxonomy_obj->labels->name; | |
// Retrieve taxonomy terms | |
$terms = get_terms( $taxonomy_slug ); | |
// Display filter HTML | |
echo "<select name='{$taxonomy_slug}' id='{$taxonomy_slug}' class='postform'>"; | |
echo '<option value="">' . sprintf( esc_html__( 'Show All %s', 'text_domain' ), $taxonomy_name ) . '</option>'; | |
foreach ( $terms as $term ) { | |
printf( | |
'<option value="%1$s" %2$s>%3$s (%4$s)</option>', | |
$term->slug, | |
( ( isset( $_GET[$taxonomy_slug] ) && ( $_GET[$taxonomy_slug] == $term->slug ) ) ? ' selected="selected"' : '' ), | |
$term->name, | |
$term->count | |
); | |
} | |
echo '</select>'; | |
} | |
} |
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