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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 |
|---|---|
| 1095 | |
| 1096 | if ( is_category() ) { |
| 1097 | /** |
| 1098 | * Filter the category archive page title. |
| 1099 | * |
| 1100 | * @since 2.0.10 |
| 1101 | * |
| 1102 | * @param string $term_name Category name for archive being displayed. |
| 1103 | */ |
| 1104 | $term_name = apply_filters( 'single_cat_title', $term->name ); |
| 1105 | } elseif ( is_tag() ) { |
| 1106 | /** |
| 1107 | * Filter the tag archive page title. |
| 1108 | * |
| 1109 | * @since 2.3.0 |
| 1110 | * |
| 1111 | * @param string $term_name Tag name for archive being displayed. |
| 1112 | */ |
| 1113 | $term_name = apply_filters( 'single_tag_title', $term->name ); |