这里自动匹配页面里的网址,包含http,ftp等,自动给网址加上链接
function text2links($str='') { if($str=='' or !preg_match('/(http|www.|@)/i', $str)) { return $str; } $lines = explode("n", $str); $new_text = ''; while (list($k,$l) = each($lines)) { // replace links: $l = preg_replace("/([ t]|^)www./i", "\1http://www.", $l); $l = preg_replace("/([ t]|^)ftp./i", "\1ftp://ftp.", $l); $l = preg_replace("/(http://[^ )rn!]+)/i", "<a href="\1">\1</a>", $l); $l = preg_replace("/(https://[^ )rn!]+)/i", "<a href="\1">\1</a>", $l); $l = preg_replace("/(ftp://[^ )rn!]+)/i", "<a href="\1">\1</a>", $l); $l = preg_replace( "/([-a-z0-9_]+(.[_a-z0-9-]+)*@([a-z0-9-]+(.[a-z0-9-]+)+))/i", "<a href="mailto:\1">\1</a>", $l); $new_text .= $l."n"; } return $new_text; } //使用范例: $text = "Welcome www.jb51.net :-)"; print text2links($text);
希望本文所述对大家的php程序设计有所帮助。
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