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$v)
{
if (is_array($v) || is_object($v) || $v == null || substr($k, 1, 1) == '_')
{
continue;
}
if (is_string($exclude_keys) && $k == $exclude_keys)
{
continue;
}
elseif (is_array($exclude_keys) && in_array($k, $exclude_keys))
{
continue;
}
$mixed->$k = htmlspecialchars($v, $quote_style, 'UTF-8');
}
}
}
/**
* This method processes a string and replaces all instances of & with & in links only.
*
* @param string $input String to process
*
* @return string Processed string
*
* @since 11.1
*/
public static function linkXHTMLSafe($input)
{
$regex = 'href="([^"]*(&(amp;){0})[^"]*)*?"';
return preg_replace_callback("#$regex#i", array('JFilterOutput', '_ampReplaceCallback'), $input);
}
/**
* This method processes a string and replaces all accented UTF-8 characters by unaccented
* ASCII-7 "equivalents", whitespaces are replaced by hyphens and the string is lowercase.
*
* @param string $string String to process
*
* @return string Processed string
*
* @since 11.1
*/
public static function stringURLSafe($string)
{
// Remove any '-' from the string since they will be used as concatenaters
$str = str_replace('-', ' ', $string);
$lang = JFactory::getLanguage();
$str = $lang->transliterate($str);
// Trim white spaces at beginning and end of alias and make lowercase
$str = trim(JString::strtolower($str));
// Remove any duplicate whitespace, and ensure all characters are alphanumeric
$str = preg_replace('/(\s|[^A-Za-z0-9\-])+/', '-', $str);
// Trim dashes at beginning and end of alias
$str = trim($str, '-');
return $str;
}
/**
* This method implements unicode slugs instead of transliteration.
*
* @param string $string String to process
*
* @return string Processed string
*
* @since 11.1
*/
public static function stringURLUnicodeSlug($string)
{
// Replace double byte whitespaces by single byte (East Asian languages)
$str = preg_replace('/\xE3\x80\x80/', ' ', $string);
// Remove any '-' from the string as they will be used as concatenator.
// Would be great to let the spaces in but only Firefox is friendly with this
$str = str_replace('-', ' ', $str);
// Replace forbidden characters by whitespaces
$str = preg_replace('#[:\#\*"@+=;!><&\.%()\]\/\'\\\\|\[]#', "\x20", $str);
// Delete all '?'
$str = str_replace('?', '', $str);
// Trim white spaces at beginning and end of alias and make lowercase
$str = trim(JString::strtolower($str));
// Remove any duplicate whitespace and replace whitespaces by hyphens
$str = preg_replace('#\x20+#', '-', $str);
return $str;
}
/**
* Replaces & with & for XHTML compliance
*
* @param string $text Text to process
*
* @return string Processed string.
*
* @since 11.1
*
* @todo There must be a better way???
*/
public static function ampReplace($text)
{
$text = str_replace('&&', '*--*', $text);
$text = str_replace('&#', '*-*', $text);
$text = str_replace('&', '&', $text);
$text = preg_replace('|&(?![\w]+;)|', '&', $text);
$text = str_replace('*-*', '&#', $text);
$text = str_replace('*--*', '&&', $text);
return $text;
}
/**
* Callback method for replacing & with & in a string
*
* @param string $m String to process
*
* @return string Replaced string
*
* @since 11.1
*/
public static function _ampReplaceCallback($m)
{
$rx = '&(?!amp;)';
return preg_replace('#' . $rx . '#', '&', $m[0]);
}
/**
* Cleans text of all formatting and scripting code
*
* @param string &$text Text to clean
*
* @return string Cleaned text.
*
* @since 11.1
*/
public static function cleanText(&$text)
{
$text = preg_replace("']*>.*?'si", '', $text);
$text = preg_replace('/]*>([^<]+)<\/a>/is', '\2 (\1)', $text);
$text = preg_replace('//', '', $text);
$text = preg_replace('/{.+?}/', '', $text);
$text = preg_replace('/ /', ' ', $text);
$text = preg_replace('/&/', ' ', $text);
$text = preg_replace('/"/', ' ', $text);
$text = strip_tags($text);
$text = htmlspecialchars($text, ENT_COMPAT, 'UTF-8');
return $text;
}
/**
* Strip img-tags from string
*
* @param string $string Sting to be cleaned.
*
* @return string Cleaned string
*
* @since 11.1
*/
public static function stripImages($string)
{
return preg_replace('#(<[/]?img.*>)#U', '', $string);
}
/**
* Strip iframe-tags from string
*
* @param string $string Sting to be cleaned.
*
* @return string Cleaned string
*
* @since 12.2
*/
public static function stripIframes($string)
{
return preg_replace('#(<[/]?iframe.*>)#U', '', $string);
}
}