wp_iso_descrambler( string $string )

从电子邮件主题转换为ASCII。
Convert to ASCII from email subjects.

目录锚点：#参数#源码

参数（Parameters）

源码（Source）

/**
 * Convert to ASCII from email subjects.
 *
 * @since 1.2.0
 *
 * @param string $string Subject line
 * @return string Converted string to ASCII
 */
function wp_iso_descrambler( $string ) {
	/* this may only work with iso-8859-1, I'm afraid */
	if (!preg_match('#=?(.+)?Q?(.+)?=#i', $string, $matches)) {
		return $string;
	} else {
		$subject = str_replace('_', ' ', $matches[2]);
		return preg_replace_callback( '#=([0-9a-f]{2})#i', '_wp_iso_convert', $subject );
	}
}