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wordpress函数get_permalink()用法示例

get_permalink( int|WP_Post $post,  bool $leavename = false )

Retrieves the full permalink for the current post or post ID.


描述


参数

$post

(int|WP_Post)
(Optional)
Post ID or post object. Default is the global $post.

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$leavename

(bool)
(Optional)
Whether to keep post name or page name.

Default value: false


返回值

(string|false) The permalink URL or false if post does not exist.


源代码

File: wp-includes/link-template.php

function get_permalink( $post = 0, $leavename = false ) {
	$rewritecode = array(
		'%year%',
		'%monthnum%',
		'%day%',
		'%hour%',
		'%minute%',
		'%second%',
		$leavename? '' : '%postname%',
		'%post_id%',
		'%category%',
		'%author%',
		$leavename? '' : '%pagename%',
	);

	if ( is_object( $post ) && isset( $post->filter ) && 'sample' == $post->filter ) {
		$sample = true;
	} else {
		$post = get_post( $post );
		$sample = false;
	}

	if ( empty($post->ID) )
		return false;

	if ( $post->post_type == 'page' )
		return get_page_link($post, $leavename, $sample);
	elseif ( $post->post_type == 'attachment' )
		return get_attachment_link( $post, $leavename );
	elseif ( in_array($post->post_type, get_post_types( array('_builtin' => false) ) ) )
		return get_post_permalink($post, $leavename, $sample);

	$permalink = get_option('permalink_structure');

	/**
	 * Filters the permalink structure for a post before token replacement occurs.
	 *
	 * Only applies to posts with post_type of 'post'.
	 *
	 * @since 3.0.0
	 *
	 * @param string  $permalink The site's permalink structure.
	 * @param WP_Post $post      The post in question.
	 * @param bool    $leavename Whether to keep the post name.
	 */
	$permalink = apply_filters( 'pre_post_link', $permalink, $post, $leavename );

	if ( '' != $permalink && !in_array( $post->post_status, array( 'draft', 'pending', 'auto-draft', 'future' ) ) ) {
		$unixtime = strtotime($post->post_date);

		$category = '';
		if ( strpos($permalink, '%category%') !== false ) {
			$cats = get_the_category($post->ID);
			if ( $cats ) {
				$cats = wp_list_sort( $cats, array(
					'term_id' => 'ASC',
				) );

				/**
				 * Filters the category that gets used in the %category% permalink token.
				 *
				 * @since 3.5.0
				 *
				 * @param WP_Term  $cat  The category to use in the permalink.
				 * @param array    $cats Array of all categories (WP_Term objects) associated with the post.
				 * @param WP_Post  $post The post in question.
				 */
				$category_object = apply_filters( 'post_link_category', $cats[0], $cats, $post );

				$category_object = get_term( $category_object, 'category' );
				$category = $category_object->slug;
				if ( $parent = $category_object->parent )
					$category = get_category_parents($parent, false, '/', true) . $category;
			}
			// show default category in permalinks, without
			// having to assign it explicitly
			if ( empty($category) ) {
				$default_category = get_term( get_option( 'default_category' ), 'category' );
				if ( $default_category && ! is_wp_error( $default_category ) ) {
					$category = $default_category->slug;
				}
			}
		}

		$author = '';
		if ( strpos($permalink, '%author%') !== false ) {
			$authordata = get_userdata($post->post_author);
			$author = $authordata->user_nicename;
		}

		$date = explode(" ",date('Y m d H i s', $unixtime));
		$rewritereplace =
		array(
			$date[0],
			$date[1],
			$date[2],
			$date[3],
			$date[4],
			$date[5],
			$post->post_name,
			$post->ID,
			$category,
			$author,
			$post->post_name,
		);
		$permalink = home_url( str_replace($rewritecode, $rewritereplace, $permalink) );
		$permalink = user_trailingslashit($permalink, 'single');
	} else { // if they're not using the fancy permalink option
		$permalink = home_url('?p=' . $post->ID);
	}

	/**
	 * Filters the permalink for a post.
	 *
	 * Only applies to posts with post_type of 'post'.
	 *
	 * @since 1.5.0
	 *
	 * @param string  $permalink The post's permalink.
	 * @param WP_Post $post      The post in question.
	 * @param bool    $leavename Whether to keep the post name.
	 */
	return apply_filters( 'post_link', $permalink, $post, $leavename );
}

更新日志

Version 描述
1.0.0 Introduced.

More Information

In a Plugin or Theme, it can be used as early as the setup_theme Action. Any earlier usage, including plugins_loaded, generates a Fatal Error.

Note that when used outside The Loop on a posts page (index, archive, etc.) without the ID parameter, it will return the URL of the last post in The Loop, not the permalink for the current page.


相关函数

Uses

  • wp-includes/functions.php:
    wp_list_sort()
  • wp-includes/category-template.php:
    get_the_category()
  • wp-includes/category-template.php:
    get_category_parents()
  • wp-includes/pluggable.php:
    get_userdata()
  • wp-includes/taxonomy.php:
    get_term()
  • wp-includes/link-template.php:
    home_url()
  • wp-includes/link-template.php:
    get_page_link()
  • wp-includes/link-template.php:
    get_attachment_link()
  • wp-includes/link-template.php:
    get_post_permalink()
  • wp-includes/link-template.php:
    pre_post_link
  • wp-includes/link-template.php:
    post_link_category
  • wp-includes/link-template.php:
    post_link
  • wp-includes/link-template.php:
    user_trailingslashit()
  • wp-includes/plugin.php:
    apply_filters()
  • wp-includes/option.php:
    get_option()
  • wp-includes/post.php:
    get_post()
  • wp-includes/post.php:
    get_post_types()
  • wp-includes/load.php:
    is_wp_error()
  • Show 13 more uses


Used By

  • wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php:
    WP_REST_Posts_Controller::prepare_item_for_response()
  • wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php:
    WP_REST_Posts_Controller::get_item()
  • wp-includes/class-wp-customize-nav-menus.php:
    WP_Customize_Nav_Menus::ajax_insert_auto_draft_post()
  • wp-includes/link-template.php:
    wp_get_canonical_url()
  • wp-includes/embed.php:
    wp_embed_excerpt_more()
  • wp-includes/embed.php:
    wp_oembed_add_discovery_links()
  • wp-includes/embed.php:
    get_post_embed_url()
  • wp-includes/embed.php:
    get_post_embed_html()
  • wp-includes/link-template.php:
    get_preview_post_link()
  • wp-includes/customize/class-wp-customize-nav-menu-item-setting.php:
    WP_Customize_Nav_Menu_Item_Setting::value_as_wp_post_nav_menu_item()
  • wp-includes/class-wp-customize-nav-menus.php:
    WP_Customize_Nav_Menus::search_available_items_query()
  • wp-includes/class-wp-customize-nav-menus.php:
    WP_Customize_Nav_Menus::load_available_items_query()
  • wp-admin/includes/class-wp-posts-list-table.php:
    WP_Posts_List_Table::handle_row_actions()
  • wp-admin/includes/upgrade.php:
    wp_install_maybe_enable_pretty_permalinks()
  • wp-admin/includes/dashboard.php:
    wp_dashboard_recent_posts()
  • wp-admin/includes/media.php:
    get_media_item()
  • wp-admin/includes/post.php:
    get_sample_permalink_html()
  • wp-admin/includes/post.php:
    get_sample_permalink()
  • wp-admin/includes/class-wp-media-list-table.php:
    WP_Media_List_Table::_get_row_actions()
  • wp-admin/includes/class-wp-comments-list-table.php:
    WP_Comments_List_Table::column_response()
  • wp-includes/category-template.php:
    wp_list_categories()
  • wp-includes/pluggable.php:
    wp_notify_postauthor()
  • wp-includes/pluggable.php:
    wp_notify_moderator()
  • wp-includes/general-template.php:
    wp_get_archives()
  • wp-includes/deprecated.php:
    get_boundary_post_rel_link()
  • wp-includes/deprecated.php:
    get_parent_post_rel_link()
  • wp-includes/deprecated.php:
    previous_post()
  • wp-includes/deprecated.php:
    next_post()
  • wp-includes/query.php:
    wp_old_slug_redirect()
  • wp-includes/link-template.php:
    get_comments_pagenum_link()
  • wp-includes/link-template.php:
    paginate_comments_links()
  • wp-includes/link-template.php:
    get_adjacent_post_link()
  • wp-includes/link-template.php:
    get_adjacent_post_rel_link()
  • wp-includes/link-template.php:
    get_post_type_archive_link()
  • wp-includes/link-template.php:
    get_post_comments_feed_link()
  • wp-includes/link-template.php:
    get_the_permalink()
  • wp-includes/deprecated.php:
    post_permalink()
  • wp-includes/link-template.php:
    get_attachment_link()
  • wp-includes/link-template.php:
    the_permalink()
  • wp-includes/admin-bar.php:
    wp_admin_bar_edit_menu()
  • wp-includes/feed.php:
    the_permalink_rss()
  • wp-includes/class-walker-page.php:
    Walker_Page::start_el()
  • wp-includes/post-template.php:
    _wp_link_page()
  • wp-includes/post-template.php:
    get_the_content()
  • wp-includes/post.php:
    _transition_post_status()
  • wp-includes/post.php:
    wp_insert_post()
  • wp-includes/canonical.php:
    redirect_canonical()
  • wp-includes/canonical.php:
    redirect_guess_404_permalink()
  • wp-includes/ms-functions.php:
    get_blog_permalink()
  • wp-includes/nav-menu.php:
    wp_setup_nav_menu_item()
  • wp-includes/class-wp-xmlrpc-server.php:
    wp_xmlrpc_server::mw_getPost()
  • wp-includes/class-wp-xmlrpc-server.php:
    wp_xmlrpc_server::mw_getRecentPosts()
  • wp-includes/class-wp-xmlrpc-server.php:
    wp_xmlrpc_server::_prepare_page()
  • wp-includes/class-wp-xmlrpc-server.php:
    wp_xmlrpc_server::_prepare_post()
  • wp-includes/comment-template.php:
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  • wp-includes/comment-template.php:
    comment_form()
  • wp-includes/comment-template.php:
    get_trackback_url()
  • wp-includes/comment-template.php:
    comments_popup_link()
  • wp-includes/comment-template.php:
    get_comment_reply_link()
  • wp-includes/comment-template.php:
    get_comment_link()
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    get_comments_link()
  • wp-includes/comment.php:
    trackback()
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    pingback()
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    _WP_Editors::wp_link_query()
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  1. Skip to note content

    You must log in to vote on the helpfulness of this noteVote results for this note: 2You must log in to vote on the helpfulness of this note

    Contributed by Codex

    Pass in a post object instead of an ID
    This shows how you can you can get the permalink with the page title instead of the ID.

    
    <a href="<?php echo esc_url( get_permalink( get_page_by_title( 'Monthly Events' ) ) ); ?>"><?php esc_html_e( 'Monthly Events', 'textdomain' ); ?></a>
    
  2. Get post or page (or whatever) permalink by slug:

    function get_link_by_slug($slug, $type = 'post'){
      $post = get_page_by_path($slug, OBJECT, $type);
      return get_permalink($post->ID);
    }

    If you are using polylang (like I usually do), you can get the permalink starting from whichever language slug (I generally start from my language, usually the websites’s default):

    function get_link_by_slug($slug, $lang_slug = null, $type = 'post'){
      $post = get_page_by_path($slug, OBJECT, $type);
      $id = ($lang_slug) ? pll_get_post($post->ID, $lang_slug) : $post->ID;
      return get_permalink($id);
    }
    <?php echo str_replace("http://www.mysite.com/","http://www.yoursite.com/",get_permalink()); ?>

    Return the permalink of the post, then search for http://www.mysite.com/ and change it to http://www.yoursite.com/

    Default Usage
    The permalink for current post (used within The Loop). As the tag does not display the permalink, the example uses the PHP echo command.

    Permalink for this post:

    
    echo get_permalink();
    

    Link to Specific Post
    Returns the permalinks of two specific posts (post IDs 1 and 10) as hypertext links within an informational list.

    
    <ul>
    	<li><?php esc_html_e( 'MyBlog info:', 'textdomain' ); ?>
    		<ul>
    			<li><a href="<?php echo esc_url( get_permalink(1) ); ?>"><?php esc_html_e( 'About MyBlog', 'textdomain' ); ?></a></li>
    			<li><a href="<?php echo esc_url( get_permalink(10) ); ?>"><?php esc_html_e( 'About the owner', 'textdomain' ); ?></a></li>
    		</ul>
    	</li>
    </ul>
    

    Get current post/page url outside loop. $post is a global variable.

    
    <?php echo get_permalink( $post->ID ); ?>
    

    Woocommerce shop page permalink

    <?php echo get_permalink( wc_get_page_id('shop') ); ?>

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