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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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465 | /** |
466 | * Filters the terms to exclude from the terms query. |
467 | * |
468 | * @since 2.3.0 |
469 | * |
470 | * @param string $exclusions `NOT IN` clause of the terms query. |
471 | * @param array $args An array of terms query arguments. |
472 | * @param string[] $taxonomies An array of taxonomy names. |
473 | */ |
474 | $exclusions = apply_filters( 'list_terms_exclusions', $exclusions, $args, $taxonomies ); |
475 |
|
476 | if ( ! empty( $exclusions ) ) { |
477 | // Must do string manipulation here for backward compatibility with filter. |
478 | $this->sql_clauses['where']['exclusions'] = preg_replace( '/^\s*AND\s*/', '', $exclusions ); |
479 | } |
480 |
|
481 | if ( |
482 | ( ! empty( $args['name'] ) ) || |
483 | ( is_string( $args['name'] ) && 0 !== strlen( $args['name'] ) ) |