wp_generate_attachment_metadata filter-hook . WP 2.1.0

Filters the generated attachment meta data.

Usage

add_filter( 'wp_generate_attachment_metadata', 'filter_function_name_4971', 10, 3 );
function filter_function_name_4971( $metadata, $attachment_id, $context ){
	// filter...

	return $metadata;
}

$metadata(array)

An array of attachment meta data.

$attachment_id(int)

Current attachment ID.

$context(string)

Additional context. Can be 'create' when metadata was initially created for new attachment or 'update' when the metadata was updated.

Changelog

Where the hook is called

return apply_filters( 'wp_generate_attachment_metadata', $metadata, $attachment_id, 'create' );

$image_meta = apply_filters( 'wp_generate_attachment_metadata', $image_meta, $attachment_id, 'update' );

Where the hook is used (in WP core)