PHPBuilder - Format Links

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Format Links

by: Mike Casto
June 9, 2001

Version: 4

Type: Function

Category: Other

License: GNU General Public License

Description: This function can be used to format URLs and E-Mail addresses as hyperlinks when they are being outputted.

	function format_links($chk_str){
		$a = explode(" ", $chk_str);
		for($i=0; $i<count($a); $i++){
//Take care of URLs that don't start with "http://"
			$b = str_replace("www.", "http://www.", $a[$i]);
			$b = str_replace("http://http://", "http://", $b);

//Identify URL
			$pos = strpos($b, "http://");
			if ($pos === false) { // note: three equal signs
			    $url_found = false;
			} else {
				$url_found = true;
//Replace URL with formatted URL
				$a[$i] = "<a href='$b' target=_blank>$b</a>";
//Identify E-Mail
			$pos = strpos($b, "@");
			if($pos === false){
				$email = false;
			} else {
				$email = true;
//Replace e-mail with formatted e-mail
				$a[$i] = "<a href='mailto:$b'>$b</a>";
//Put string toghet with formatted links
		$chk_str = implode(" ", $a);

//Return formatted string
		return $chk_str;

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