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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 |
---|---|
4201 |
|
4202 | /** |
4203 | * Filters the permalink structure for a terms before token replacement occurs. |
4204 | * |
4205 | * @since 4.9.0 |
4206 | * |
4207 | * @param string $termlink The permalink structure for the term's taxonomy. |
4208 | * @param WP_Term $term The term object. |
4209 | */ |
4210 | $termlink = apply_filters( 'pre_term_link', $termlink, $term ); |
4211 |
|
4212 | $slug = $term->slug; |
4213 | $t = get_taxonomy( $taxonomy ); |
4214 |
|
4215 | if ( empty( $termlink ) ) { |
4216 | if ( 'category' === $taxonomy ) { |
4217 | $termlink = '?cat=' . $term->term_id; |
4218 | } elseif ( $t->query_var ) { |
4219 | $termlink = "?$t->query_var=$slug"; |