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<?php
namespace SMW\Utils;
/**
* @license GNU GPL v2+
* @since 3.0
*
* @author mwjames
*/
class CharArmor {
/**
* Remove invisible control characters and unused code points (using a
* negated character class to avoid removing spaces)
*
* @see http://www.regular-expressions.info/unicode.html#category
* @since 3.0
*
* @param string $text
*
* @return text
*/
public static function removeControlChars( $text ) {
return preg_replace('/[^\PC\s]/u', '', $text );
}
/**
* @since 3.0
*
* @param string $text
*
* @return text
*/
public static function removeSpecialChars( $text ) {
return str_replace(
[ '­', '‎', " ", " ", " " ],
[ '', '', ' ', ' ', ' ' ],
$text
);
}
}
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