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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 |
|---|---|
| 920 | /** |
| 921 | * Displays slug form fields. |
| 922 | * |
| 923 | * @since 2.6.0 |
| 924 | * |
| 925 | * @param WP_Post $post Current post object. |
| 926 | */ |
| 927 | function post_slug_meta_box( $post ) { |
| 928 | /** This filter is documented in wp-admin/edit-tag-form.php */ |
| 929 | $editable_slug = apply_filters( 'editable_slug', $post->post_name, $post ); |
| 930 | ?> |
| 931 | <label class="screen-reader-text" for="post_name"> |
| 932 | <?php |
| 933 | /* translators: Hidden accessibility text. */ |
| 934 | _e( 'Slug' ); |
| 935 | ?> |
| 936 | </label><input name="post_name" type="text" class="large-text" id="post_name" value="<?php echo esc_attr( $editable_slug ); ?>" /> |
| 937 | <?php |
| 938 | } |