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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 |
|---|---|
| 930 | /** |
| 931 | * Displays slug form fields. |
| 932 | * |
| 933 | * @since 2.6.0 |
| 934 | * |
| 935 | * @param WP_Post $post Current post object. |
| 936 | */ |
| 937 | function post_slug_meta_box( $post ) { |
| 938 | /** This filter is documented in wp-admin/edit-tag-form.php */ |
| 939 | $editable_slug = apply_filters( 'editable_slug', $post->post_name, $post ); |
| 940 | ?> |
| 941 | <label class="screen-reader-text" for="post_name"> |
| 942 | <?php |
| 943 | /* translators: Hidden accessibility text. */ |
| 944 | _e( 'Slug' ); |
| 945 | ?> |
| 946 | </label><input name="post_name" type="text" class="large-text" id="post_name" value="<?php echo esc_attr( $editable_slug ); ?>" /> |
| 947 | <?php |
| 948 | } |