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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 |
|---|---|
| 847 | /** |
| 848 | * Filters the title of the default page template displayed in the drop-down. |
| 849 | * |
| 850 | * @since 4.1.0 |
| 851 | * |
| 852 | * @param string $label The display value for the default page template title. |
| 853 | * @param string $context Where the option label is displayed. Possible values |
| 854 | * include 'meta-box' or 'quick-edit'. |
| 855 | */ |
| 856 | $default_title = apply_filters( 'default_page_template_title', __( 'Default Template' ), 'meta-box' ); |
| 857 | ?> |
| 858 | <option value="default"><?php echo esc_html( $default_title ); ?></option> |
| 859 | <?php page_template_dropdown( $template, $post->post_type ); ?> |
| 860 | </select> |
| 861 | <?php endif; ?> |
| 862 | <?php if ( post_type_supports( $post->post_type, 'page-attributes' ) ) : ?> |
| 863 | <p class="post-attributes-label-wrapper"><label class="post-attributes-label" for="menu_order"><?php _e( 'Order' ); ?></label></p> |
| 864 | <input name="menu_order" type="text" size="4" id="menu_order" value="<?php echo esc_attr( $post->menu_order ); ?>" /> |
| 865 | <?php if ( 'page' == $post->post_type && get_current_screen()->get_help_tabs() ) : ?> |