使u可点击（$text）

Posted 2021-02-26

Used to convert URLs in a string into links

function make_clickable($text){ 
   $ret = " " . $text; 
   $ret = preg_replace("#([
 ])([a-z]+?)://([^,	 

]+)#i", "\1<a href="\2://\3" target="_blank">\2://\3</a>", $ret); 
   $ret = preg_replace("#([
 ])www.([a-z0-9-]+).([a-z0-9-.~]+)((?:/[^,	 

]*)?)#i", "\1<a href="http://www.\2.\3\4" target="_blank">www.\2.\3\4</a>", $ret); 
   $ret = preg_replace("#([
 ])([a-z0-9-_.]+?)@([w-]+.([w-.]+.)?[w]+)#i", "\1<a href="mailto:\[email protected]\3">\[email protected]\3</a>", $ret); 
   $ret = substr($ret, 1); 
   return($ret);}