wp_calculate_image_srcset_meta │ filter-hook │ WP 4.5.0

Pre-filters the image meta to be able to fix inconsistencies in the stored data.

Usage

add_filter( 'wp_calculate_image_srcset_meta', 'wp_kama_calculate_image_srcset_meta_filter', 10, 4 );

/**
 * Function for `wp_calculate_image_srcset_meta` filter-hook.
 * 
 * @param array  $image_meta    The image meta data as returned by 'wp_get_attachment_metadata()'.
 * @param int[]  $size_array    An array of requested width and height values.
 * @param string $image_src     The 'src' of the image.
 * @param int    $attachment_id The image attachment ID or 0 if not supplied.
 *
 * @return array
 */
function wp_kama_calculate_image_srcset_meta_filter( $image_meta, $size_array, $image_src, $attachment_id ){

	// filter...
	return $image_meta;
}

$image_meta(array)

The image meta data as returned by 'wp_get_attachment_metadata()'.

$size_array(int[])

An array of requested width and height values.

• 0(int)
  The width in pixels.

• 1(int)
  The height in pixels.

$image_src(string)

The 'src' of the image.

$attachment_id(int)

The image attachment ID or 0 if not supplied.

Changelog

Where the hook is called

$image_meta = apply_filters( 'wp_calculate_image_srcset_meta', $image_meta, $size_array, $image_src, $attachment_id );

Where the hook is used in WordPress