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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 |
|---|---|
| 879 | /** |
| 880 | * Display slug form fields. |
| 881 | * |
| 882 | * @since 2.6.0 |
| 883 | * |
| 884 | * @param WP_Post $post |
| 885 | */ |
| 886 | function post_slug_meta_box( $post ) { |
| 887 | /** This filter is documented in wp-admin/edit-tag-form.php */ |
| 888 | $editable_slug = apply_filters( 'editable_slug', $post->post_name, $post ); |
| 889 | ?> |
| 890 | <label class="screen-reader-text" for="post_name"><?php _e( 'Slug' ); ?></label><input name="post_name" type="text" size="13" id="post_name" value="<?php echo esc_attr( $editable_slug ); ?>" /> |
| 891 | <?php |
| 892 | } |
| 893 | |
| 894 | /** |
| 895 | * Display form field with list of authors. |
| 896 | * |
| 897 | * @since 2.6.0 |