wp_mail_content_type │ filter-hook │ WP 2.3.0

Filters the wp_mail() content type.

Usage

add_filter( 'wp_mail_content_type', 'wp_kama_mail_content_type_filter' );

/**
 * Function for `wp_mail_content_type` filter-hook.
 * 
 * @param string $content_type Default wp_mail() content type.
 *
 * @return string
 */
function wp_kama_mail_content_type_filter( $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 the hook is used in WordPress