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How to use get_header_image_tag_attributes filter in WordPress

Sandeep Kumar Mishra
Sandeep Kumar Mishra
September 15, 2022
5 minutes read

Welcome to our detailed guide on the `get_header_image_tag_attributes` filter in WordPress! As an Indian developer, I know how important it is to customize our WordPress themes without breaking anything during updates. Let’s dive into how you can use this hook effectively.

get_header_image_tag_attributes filter

This filter allows you to modify the list of header image attributes. To start using the `get_header_image_tag_attributes` filter, you’ll need to register it using `add_filter`. You can place this code in the `functions.php` file of your activated theme or in a custom WordPress Plugin.

Parameters

Below are the 2 parameters required to use this hook:

$attr: (array) Array of the attributes for the image tag.
$header: (object) The custom header object returned by `get_custom_header()`.

Live Examples

Example 1: Modifying Header Image Attributes

Here’s an example of how you can use this hook to modify header image attributes:

function weplugins_modify_get_header_image_tag_attributes_defaults($attr, $header) {
    // Update the $attr variable according to your website requirements
    return $attr;
}
// Add the filter
add_filter("get_header_image_tag_attributes", "weplugins_modify_get_header_image_tag_attributes_defaults", 10, 2);

Example 2: Conditional Attribute Modification

Sometimes you might want to modify the attributes conditionally. Here’s how you can do it:

function weplugins_conditional_modify_header_image_tag_attributes($attr, $header) {
    if (is_front_page()) {
        $attr['class'] .= ' front-page-header';
    }
    return $attr;
}
// Add the filter
add_filter("get_header_image_tag_attributes", "weplugins_conditional_modify_header_image_tag_attributes", 10, 2);

Example 3: Removing the Hook Callback

If you need to remove a registered hook, you can use `remove_filter` as shown below:

remove_filter("get_header_image_tag_attributes", "weplugins_modify_get_header_image_tag_attributes_defaults", 10, 2);

Please make sure to provide the same callback function name, priority, and number of arguments while removing the hook callback.

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Sandeep Kumar Mishra

Sandeep Kumar Mishra

Sandeep Kumar Mishra writes about WordPress and Artificial Intelligence, offering tips and guides to help you master your website and stay updated with the latest tech trends.

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