Find and convert links in string #php

autolink.php

<?php

function autolink($str, $attributes=array()) {
  $attrs = '';
	foreach ($attributes as $attribute => $value) {
		$attrs .= " {$attribute}=\"{$value}\"";
	}

	$str = ' ' . $str;
	$str = preg_replace(
		'`([^"=\'>])((http|https|ftp)://[^\s<]+[^\s<\.)])`i',
		'$1<a href="$2"'.$attrs.'>$2</a>',
		$str
	);
	$str = substr($str, 1);
	
	return $str;
}

?>