PHP three methods to remove carriage return and line feed

PHP three methods to remove carriage return and line feed

PHP three methods to remove carriage return and line feed // Line feed for different php systems // The implementation of line feed varies with systems. // \ N in linux and unix // \ R for MAC // Window \ r \ n to reflect the difference from linux // The Implementation methods on different platforms are different. // Php has three solutions // 1. use str_replace to replace the line feed. $ Str = str_replace (array ("\ r \ n", "\ r", "\ n"), "", $ str ); // 2. use regular expression replacement $ Str = preg_replace ('// s */', '', $ str ); // 3. use the variables defined in php (recommended) $ Str = str_replace (PHP_EOL, '', $ str ); ?>