wp_mail_content_type filter-hook . WP 2.3.0

Usage

add_filter( 'wp_mail_content_type', 'filter_function_name_9532' );
function filter_function_name_9532( $content_type ){
	// filter...

	return $content_type;
}

$content_type(string)

Default wp_mail() content type.

Changelog

Where the hook is called

$content_type = apply_filters( 'wp_mail_content_type', $content_type );

$content_type = apply_filters( 'wp_mail_content_type', $content_type );

Where in WP core the hook is used WordPress