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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
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1436 | /** |
1437 | * Filter the terms to exclude from the terms query. |
1438 | * |
1439 | * @since 2.3.0 |
1440 | * |
1441 | * @param string $exclusions NOT IN clause of the terms query. |
1442 | * @param array $args An array of terms query arguments. |
1443 | * @param string|array $taxonomies A taxonomy or array of taxonomies. |
1444 | */ |
1445 | $exclusions = apply_filters( 'list_terms_exclusions', $exclusions, $args, $taxonomies ); |
1446 |
|
1447 | if ( ! empty( $exclusions ) ) |
1448 | $where .= $exclusions; |
1449 |
|
1450 | if ( !empty($slug) ) { |
1451 | $slug = sanitize_title($slug); |
1452 | $where .= " AND t.slug = '$slug'"; |
1453 | } |
1454 |
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