PHP将字符串转为HTML实体引用

PHP将字符串转为HTML实体引用

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class HtmlEncode {    static $_convertToHtmlEntitiesSrcEncoding='UTF-8';    /** * 将非ASCII字符串转换成HTML实体 * * @example HtmlEncode::encode("我信了"); //输出:我信了 * @param string $s 要进行编码的字符串 * @return string 返回HTML实体引用 */public static function encode($s,$srcEncoding='UTF-8') {self::$_convertToHtmlEntitiesSrcEncoding=$srcEncoding;return preg_replace_callback('|[^\x00-\x7F]+|',array(__CLASS__,'_convertToHtmlEntities'),$s);}public static function _convertToHtmlEntities($data) {if (is_array($data)) {$chars=str_split(iconv(self::$_convertToHtmlEntitiesSrcEncoding,"UCS-2BE",$data[0]),2);$chars=array_map(array(__CLASS__,__FUNCTION__),$chars);return join("",$chars);} else {$code=hexdec(sprintf("%02s%02s;",dechex(ord($data {0})),dechex(ord($data {1}))));return sprintf("&#%s;",$code);}}}