attachment_thumbnail_args │ filter-hook │ WP 3.9.0

Filters the parameters for the attachment thumbnail creation.

Usage

add_filter( 'attachment_thumbnail_args', 'wp_kama_attachment_thumbnail_args_filter', 10, 3 );

/**
 * Function for `attachment_thumbnail_args` filter-hook.
 * 
 * @param array $image_attachment An array of parameters to create the thumbnail.
 * @param array $metadata         Current attachment metadata.
 * @param array $uploaded         Information about the newly-uploaded file.
 *
 * @return array
 */
function wp_kama_attachment_thumbnail_args_filter( $image_attachment, $metadata, $uploaded ){

	// filter...
	return $image_attachment;
}

$image_attachment(array)

An array of parameters to create the thumbnail.

$metadata(array)

Current attachment metadata.

$uploaded(array)

Information about the newly-uploaded file.

• file(string)
  Filename of the newly-uploaded file.

• url(string)
  URL of the uploaded file.

• type(string)
  File type.

Changelog

Where the hook is called

$image_attachment = apply_filters( 'attachment_thumbnail_args', $image_attachment, $metadata, $uploaded );

Where the hook is used in WordPress