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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 |
|---|---|
| 1167 | * Filters the array of tags for the given post. |
| 1168 | * |
| 1169 | * @since 2.3.0 |
| 1170 | * |
| 1171 | * @see get_the_terms() |
| 1172 | * |
| 1173 | * @param WP_Term[]|false|WP_Error $terms Array of WP_Term objects on success, false if there are no terms |
| 1174 | * or the post does not exist, WP_Error on failure. |
| 1175 | */ |
| 1176 | return apply_filters( 'get_the_tags', $terms ); |
| 1177 | } |
| 1178 | |
| 1179 | /** |
| 1180 | * Retrieves the tags for a post formatted as a string. |
| 1181 | * |
| 1182 | * @since 2.3.0 |
| 1183 | * |
| 1184 | * @param string $before Optional. String to use before the tags. Default empty. |
| 1185 | * @param string $sep Optional. String to use between the tags. Default empty. |