复制代码 代码如下:
function text2links($str='') {
if($str=='' or !preg_match('/(http|www.|@)/i', $str)) { return $str; }
$lines = explode("
", $str); $new_text = '';
while (list($k,$l) = each($lines)) {
// replace links:
$l = preg_replace("/([ ]|^)www./i", "\1http://www.", $l);
$l = preg_replace("/([ ]|^)ftp./i", "\1ftp://ftp.", $l);
$l = preg_replace("/(http://[^ )
!]+)/i",
"\1", $l);
$l = preg_replace("/(https://[^ )
!]+)/i",
"\1", $l);
$l = preg_replace("/(ftp://[^ )
!]+)/i",
"\1", $l);
$l = preg_replace(
"/([-a-z0-9_]+(.[_a-z0-9-]+)*@([a-z0-9-]+(.[a-z0-9-]+)+))/i",
"\1", $l);
$new_text .= $l."
";
}
return $new_text;
}
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