What is WordPress Hook: wp_image_src_get_dimensions
The wp_image_src_get_dimensions hook is a specific WordPress hook that allows developers to modify the dimensions of an image retrieved using the wp_get_attachment_image_src function.
Understanding the Hook: wp_image_src_get_dimensions
The wp_image_src_get_dimensions hook is located within the wp-includes/media.php file and is called within the wp_get_attachment_image_src function. This hook allows developers to modify the width and height of an image before it is returned by the wp_get_attachment_image_src function.
Hook Parameters (if applicable): wp_image_src_get_dimensions
The wp_image_src_get_dimensions hook accepts three parameters: $image, $attachment_id, and $size. The $image parameter is the image URL, $attachment_id is the ID of the attachment, and $size is the image size.
Hook Doesn’t Work: wp_image_src_get_dimensions
If the wp_image_src_get_dimensions hook doesn’t work as expected, it may be due to incorrect usage or conflicts with other functions or plugins. It is recommended to check for any syntax errors in the code and ensure that the hook is being called at the appropriate time within the WordPress process.
Best Practices & Usage Notes (if applicable): wp_image_src_get_dimensions
When using the wp_image_src_get_dimensions hook, it is important to consider the impact on performance, as modifying image dimensions can affect page load times. It is recommended to use this hook sparingly and only when necessary to avoid unnecessary strain on server resources.
Usage Example: wp_image_src_get_dimensions
“`php
function custom_image_dimensions($image, $attachment_id, $size) {
// Modify image dimensions here
$width = 500;
$height = 300;
return array( $image, $width, $height, false );
}
add_filter(‘wp_image_src_get_dimensions’, ‘custom_image_dimensions’, 10, 3);
“`
