Thread: Show Thread Enhancements - Title Tag Fetcher (Auto Replace URL with Titletag)
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  #117  
Old 06-11-2017, 09:02 AM
djbaxter djbaxter is offline
 
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Quote:
Originally Posted by Rhodium View Post
Try that, works for me

replace
Code:
	$messagetext = preg_replace(
		'#(^|\[/(' . $skiptaglist . ')\])(.*(\[(' . $skiptaglist . ')|$))#siUe',
		"convert_url_to_bbcode_callback_auto_title('\\3', '\\1')",
		$messagetext
	);
to
Code:
	$messagetext = preg_replace_callback(
		'#(^|\[/(' . $skiptaglist . ')\])(.*(\[(' . $skiptaglist . ')|$))#siU',
                function($m) { return convert_url_to_bbcode_callback_auto_title($m[3], $m[1]); },		
		$messagetext
	);
This solves the blank pages problem on vB 4.7.5 with PHP 7.1

However, on two SSL (https://) forums, it no longer fetches the page title, whether the URL being fetched is https:// or http://

This is the entire updated plugin:

PHP Code:
if (!function_exists(convert_url_to_bbcode_callback_auto_title)) {
function 
convert_url_to_bbcode_callback_auto_title($messagetext$prepend)
{
    
$messagetext str_replace('\"''"'$messagetext);
    
$prepend str_replace('\"''"'$prepend);

    static 
$urlSearchArray$urlReplaceArray$emailSearchArray$emailReplaceArray;
    if (empty(
$urlSearchArray))
    {
        
$taglist '\[b|\[i|\[u|\[left|\[center|\[right|\[indent|\[quote|\[highlight|\[\*' .
            
'|\[/b|\[/i|\[/u|\[/left|\[/center|\[/right|\[/indent|\[/quote|\[/highlight';
        
$urlSearchArray = array(
            
"#(^|(?<=[^_a-z0-9-=\]\"'/@]|(?<=" $taglist ")\]))((https?|ftp|gopher|news|telnet)://|www\.)((\[(?!/)|[^\s[^$`\"'|{}<>])+)(?!\[/url|\[/img)(?=[,.!)]*(\)\s|\)$|[\s[]|$))#siU"
        
);

        
$urlReplaceArray = array(
            
"[url]\\2\\4[/url]"
        
);

        
$emailSearchArray = array(
            
"/([ \n\r\t])([_a-z0-9-]+(\.[_a-z0-9-]+)*@[^\s]+(\.[a-z0-9-]+)*(\.[a-z]{2,4}))/si",
            
"/^([_a-z0-9-]+(\.[_a-z0-9-]+)*@[^\s]+(\.[a-z0-9-]+)*(\.[a-z]{2,4}))/si"
        
);

        
$emailReplaceArray = array(
            
"\\1[email]\\2[/email]",
            
"[email]\\0[/email]"
        
);
    }

    
$text preg_replace_callback($urlSearchArray"auto_title"$messagetext);

    if (
strpos($text"@"))
    {
        
$text preg_replace($emailSearchArray$emailReplaceArray$text);
    }

    return 
$prepend $text;
}

function 
auto_title ($text) {

$options = array( 'http' => array(
        
'user_agent'    => 'VBulletin Titletag Fetcher',
        
'max_redirects' => 10,
        
'timeout'       => 60,
    ) );
$context stream_context_create$options );

if (
$text[2] == 'www.' or $text[2] == 'Www.' or $text[2] == 'wWw.' or $text[2] == 'wwW.' or $text[2] == 'WwW.' or $text[2] == 'WWw.' or $text[2] == 'wWW.' or $text[2] == 'WWW.') { $text[4] = $text[2] . $text[4]; $text[2] = 'http://'; }

$paged    = @fopen$text[2] . $text[4], "r" ); #echo $page . "DONE"; 
if ($paged) {
    while (!
feof($paged) and ($x 1000)) { $page .= fread($paged8192); $x++; }
    
fclose($paged);
}

preg_match("/<title>[\n\r\s]*(.*)[\n\r\s]*<\/title>/"$page$title);

if (
$title[1] == '') { $title[1] = $text[2] . $text[4]; }
return 
"[url="" . $text[2] . $text[4] . ""]" preg_replace("/\&.+\;/"''$title[1]) . "[/url]";
}

}

    
$messagetext preg_replace_callback(
        
'#(^|\[/(' $skiptaglist ')\])(.*(\[(' $skiptaglist ')|$))#siU',
                function(
$m) { return convert_url_to_bbcode_callback_auto_title($m[3], $m[1]); },        
        
$messagetext
    
); 
RESOLVED:

See https://vborg.vbsupport.ru/showthread.php?t=323627

You need to have this setting enabled:

allow_url_fopen = On
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