wp_calculate_image_sizes │ filter-hook │ WP 4.4.0

Filters the output of wp_calculate_image_sizes().

Usage

add_filter( 'wp_calculate_image_sizes', 'wp_kama_calculate_image_sizes_filter', 10, 5 );

/**
 * Function for `wp_calculate_image_sizes` filter-hook.
 * 
 * @param string       $sizes         A source size value for use in a 'sizes' attribute.
 * @param string|int[] $size          Requested image size. Can be any registered image size name, or an array of width and height values in pixels (in that order).
 * @param string|null  $image_src     The URL to the image file or null.
 * @param array|null   $image_meta    The image meta data as returned by wp_get_attachment_metadata() or null.
 * @param int          $attachment_id Image attachment ID of the original image or 0.
 *
 * @return string
 */
function wp_kama_calculate_image_sizes_filter( $sizes, $size, $image_src, $image_meta, $attachment_id ){

	// filter...
	return $sizes;
}

$sizes(string)

A source size value for use in a 'sizes' attribute.

$size(string|int[])

Requested image size. Can be any registered image size name, or an array of width and height values in pixels (in that order).

$image_src(string|null)

The URL to the image file or null.

$image_meta(array|null)

The image meta data as returned by wp_get_attachment_metadata() or null.

$attachment_id(int)

Image attachment ID of the original image or 0.

Changelog

Where the hook is called

return apply_filters( 'wp_calculate_image_sizes', $sizes, $size, $image_src, $image_meta, $attachment_id );

Where the hook is used in WordPress