/**
* Converts html string to given charset
* @since 1.4.4 and 1.5.1
* @param string $string
* @param string $charset
* @param boolean $htmlencode keep htmlspecialchars encoding
* @param string
*/
function charset_encode($string, $charset, $htmlencode = true)
{
global $default_charset;
$encode = fixcharset($charset);
$encodefile = SM_PATH . 'functions/encode/' . $encode . '.php';
if ($encode != 'index' && file_exists($encodefile)) {
include_once $encodefile;
$ret = call_user_func('charset_encode_' . $encode, $string);
} elseif (file_exists(SM_PATH . 'functions/encode/us_ascii.php')) {
// function replaces all 8bit html entities with question marks.
// it is used when other encoding functions are unavailable
include_once SM_PATH . 'functions/encode/us_ascii.php';
$ret = charset_encode_us_ascii($string);
} else {
/**
* fix for yahoo users that remove all us-ascii related things
*/
$ret = $string;
}
/**
* Undo html special chars, some places (like compose form) have
* own sanitizing functions and don't need html symbols.
* Undo chars only after encoding in order to prevent conversion of
* html entities in plain text emails.
*/
if (!$htmlencode) {
$ret = str_replace(array('&', '>', '<', '"'), array('&', '>', '<', '"'), $ret);
}
return $ret;
}
/**
* Converts html string to given charset
* @since 1.5.1
* @param string $string
* @param string $charset
* @param boolean $htmlencode keep htmlspecialchars encoding
* @param string
*/
function charset_encode($string, $charset, $htmlencode = true)
{
global $default_charset;
// Undo html special chars
if (!$htmlencode) {
$string = str_replace(array('&', '>', '<', '"'), array('&', '>', '<', '"'), $string);
}
$encode = fixcharset($charset);
$encodefile = SM_PATH . 'functions/encode/' . $encode . '.php';
if (file_exists($encodefile)) {
include_once $encodefile;
$ret = call_user_func('charset_encode_' . $encode, $string);
} else {
include_once SM_PATH . 'functions/encode/us_ascii.php';
$ret = charset_encode_us_ascii($string);
}
return $ret;
}
