php 规划HTML链接的URL

Posted 2021-05-05

function linkable($text = ''){
    $text = preg_replace("/\s+/", ' ', str_replace(array("\r\n", "\r", "\n"), ' ', $text));
    $data = '';
    foreach( explode(' ', $text) as $str){
        if (preg_match('#^http?#i', trim($str)) || preg_match('#^www.?#i', trim($str))) {
            $data .= '<a href="'.$str.'">'.$str.'</a> ';
        } else {
            $data .= $str .' ';
        }
    }
    return trim($data);
	}