by the way of newline *Text* => Text _Text_ => Text !http://image.url! =>

"Text":http://text.url => Text */ function paragraph($text){ $paragraphs = explode("\n\n", $text); $output = null; foreach($paragraphs as $paragraph) { $output .= "\n

".$paragraph."

\n"; } return $output; } function textile($text = null){ $regex = array( '/(.+)\n(.+)/', '/\*([^\*]+)\*/', '/\_([^\*]+)\_/', '/(!)((?:http|https)(?::\\/{2}[\\w]+)(?:[\\/|\\.]?)(?:[^\\s"]*))(!)/', '/(")(.*?)(").*?((?:http|https)(?::\\/{2}[\\w]+)(?:[\\/|\\.]?)(?:[^\\s"]*))/', ); $replace = array( "$1
$2", "$1", "$1", "

", "$2", ); return preg_replace($regex,$replace,$text); } function process($text){ $text = $this->paragraph($text); $text = $this->textile($text); return $text; } } ?>

textile codes