Function and usage of do_dismiss_core_update() in wordpress


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    The do_dismiss_core_update() function in WordPress is used to dismiss a core update. This function is particularly useful for administrators who want to manually manage updates or avoid automatic updates for specific reasons, such as compatibility issues with themes or plugins.

    Function: do_dismiss_core_update()

    • Purpose: Dismisses a specific core update.
    • Use Case: Primarily used in the WordPress backend by administrators. It's helpful when an administrator decides not to implement a particular core update. This might be due to various reasons like testing, compatibility issues, or waiting for a more stable release.

    Sample Usage

    // Check if the function exists
    if (function_exists('do_dismiss_core_update')) {
        // Dismiss a specific core update

    In this sample code:

    1. Check for Existence: First, it checks if the do_dismiss_core_update() function exists. This is a good practice to avoid errors in case the function is not available in the WordPress installation.
    2. Dismiss Update: If the function exists, it is then used to dismiss a specific core update. The $update variable should be an object representing the update you want to dismiss. Typically, this object is retrieved from the list of available updates.

    Important Considerations:

    • Security: Dismissing updates could pose security risks since updates often include security patches.
    • Compatibility: Ensure that dismissing an update does not affect the functionality of your site, especially if plugins and themes depend on the latest WordPress version.
    • Manual Updates: After dismissing an update, you might need to manually check for future updates.

    Remember, this function is part of the WordPress core, and using it should be done with a thorough understanding of your WordPress environment and the implications of not updating the core.

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