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further refinement on activate_links

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This commit is contained in:
Klaus Leithoff 2016-03-15 15:30:17 +00:00
parent a5946c4379
commit 70e5dbf50f
1 changed files with 17 additions and 4 deletions
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21
api/src/Html.php
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@ -79,13 +79,26 @@ class Html
$NotHTTP = '(?<!:\/\/|" target=\"_blank\">)'; // avoid running again on http://www links already handled above
$Domain2 = 'www(\.[\w-.]+)';
$Subdir2 = '([\w\-\.,@?^=%&:\/~\+#]*[\w\-\@?^=%&\/~\+#])?';
$optBracket = '(>|&gt;)?';
$optBracket = '(>|&gt;|&gt|;)?';
$Expr = '/' .$optBracket0. $NotAnchor . $NotHTTP . $Domain2 . $Subdir2 .$optBracket. '/i';
//$Expr = '/' . $NotAnchor . $NotHTTP . $Domain . $Subdir . $optBracket . '/i';
// use preg_replace_callback as we experienced problems with links such as <www.example.tld/pfad/zu/einer/pdf-Datei.pdf>
$result4 = preg_replace_callback( $Expr, function ($match) {
//error_log(__METHOD__.__LINE__.array2string($match));
if ($match[4]==';' && (strlen($match[3])-4) >=0 && strpos($match[3],'&gt',strlen($match[3])-4)!==false)
{
$match[3] = substr($match[3],0,strpos($match[3],'&gt',strlen($match[3])-4));
$match[4] = "&gt;";
}
if ($match[4]==';'&&$match[3]=="&gt")
{
$match[3] ='';
$match[4] = "&gt;";
}
//error_log(__METHOD__.__LINE__.array2string($match));
return $match[1]."<a href=\"http://www".$match[2].$match[3]."\" target=\"_blank\">"."www".$match[2].$match[3]."</a>".$match[4];
}, $result3 );
}
$result4 = preg_replace( $Expr, "$1<a href=\"http://www$2$3$4$5\" target=\"_blank\">www$2$3$4$5</a>$6", $result3 );
//return preg_replace( $Expr, "<a href=\"http://www$1$2\" target=\"_blank\">www$1$2</a>$3 ", $result );
return $result4;
}