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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 |
---|---|
236 | <option value=""><?php _e( 'All comment types' ); ?></option> |
237 | <?php |
238 | /** |
239 | * Filter the comment types dropdown menu. |
240 | * |
241 | * @since 2.7.0 |
242 | * |
243 | * @param array $comment_types An array of comment types. Accepts 'Comments', 'Pings'. |
244 | */ |
245 | $comment_types = apply_filters( 'admin_comment_types_dropdown', array( |
246 | 'comment' => __( 'Comments' ), |
247 | 'pings' => __( 'Pings' ), |
248 | ) ); |
249 |
|
250 | foreach ( $comment_types as $type => $label ) |
251 | echo "\t<option value='" . esc_attr( $type ) . "'" . selected( $comment_type, $type, false ) . ">$label</option>\n"; |
252 | ?> |
253 | </select> |
254 | <?php |