Function and usage of permalink_anchor() in wordpress


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    The permalink_anchor() function in WordPress is a useful tool for displaying the permalink anchor of the current post. Here's a detailed explanation of its function and usage:


    • Name: permalink_anchor()
    • Purpose: Displays the permalink anchor for the current post.


    • The function is used to create an anchor link (a hyperlink based on the post's unique identifier) for the current post in WordPress.
    • Depending on the mode specified (title or id), this function alters the HTML id attribute of the anchor tag (<a> element).
      • Title Mode: If the mode is set to title, the id attribute of the <a> element uses the post's title. This is useful for creating human-readable anchors that are easily identifiable.
      • ID Mode: If the mode is set to id, the id attribute is set as post- followed by the post's unique ID. This is the default behavior and provides a more systematic and consistent way to create anchor links, especially useful for automated processes or where post titles are not unique.


    • $mode (string, optional): Determines the permalink mode.
      • Acceptable values: 'title' or 'id'.
      • Default value: 'id'.

    Sample Usage:

    // Example 1: Using the default 'id' mode
    // This will display an anchor tag with an 'id' attribute like 'post-123' (assuming the post ID is 123).
    // Example 2: Using the 'title' mode
    // This will display an anchor tag with an 'id' attribute based on the post's title.

    In these examples, the function permalink_anchor() is called with or without the optional $mode parameter. When used without parameters, it defaults to using the post ID for the anchor's id attribute. When specifying 'title' as the parameter, the post title is used instead.

    This function is particularly useful for theme and plugin developers who need to create consistent and identifiable anchor links within WordPress posts, enhancing navigation and accessibility on websites.

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