", $output); $output = $smile; } // Find a unique symbols for image start and end markers $imgstartsymbol = "A"; $imgstartmarker = $imgstartsymbol; while(strpos($output, $imgstartmarker)) $imgstartmarker .= $imgstartsymbol; $imgendsymbol = "B"; $imgendmarker = $imgendsymbol; while(strpos($output, $imgendmarker)) $imgendmarker .= $imgendsymbol; // Find and mark image URLs (so that they don't get converted into normal links) $output = preg_replace("/http:\/\/(.*\.jpg|.*\.gif|.*\.png|.*\.jpeg)/", $imgstartmarker."$1".$imgendmarker, $output); // Replace URLs with tags $output = preg_replace("/http:\/\/(.*?)([\n ])/s", "$1$2", $output); // Convert marked images to img tags and links $output = preg_replace("/".$imgstartmarker."(.*?)".$imgendmarker."/s", "\"$1\"", $output); // Replace [quote title=...]...[/quote] $urls = ""; while(($start = strpos($output, "[quote"))) { $pre = substr($output, 0, $start); $url = substr($output, $start); $end = strpos($url, "[/quote]") + strlen("[/quote]"); $url = substr($url, 0, $end - strlen("[/quote]")); $post = substr($output, $start + $end + strlen("[/quote]") ); $header = substr($url, 0, strpos($url, "]") + 1); $body = substr($url, strpos($url, "]") + 1); $header = str_replace(array("title"), "", $header); $header = str_replace(array("="), "
", $header); $header = str_replace(array("[quote"), "
", $header); $header = str_replace(array("]"), "
", $header); $urls .= $pre . $header . $body . "
"; $output = $post; } $urls .= $output; $output = $urls; // // Hack to make quotes two levels deep. // // Replace [quote title=...]...[/quote] $urls = ""; while(($start = strpos($output, "[quote"))) { $pre = substr($output, 0, $start); $url = substr($output, $start); $end = strpos($url, "[/quote]") + strlen("[/quote]"); $url = substr($url, 0, $end - strlen("[/quote]")); $post = substr($output, $start + $end + strlen("[/quote]") ); $header = substr($url, 0, strpos($url, "]") + 1); $body = substr($url, strpos($url, "]") + 1); $header = str_replace(array("title"), "", $header); $header = str_replace(array("="), "
", $header); $header = str_replace(array("[quote"), "
", $header); $header = str_replace(array("]"), "
", $header); $urls .= $pre . $header . $body . "
"; $output = $post; } $urls .= $output; $output = $urls; $search = array('/\[b\](.*?)\[\/b\]/is', '/\[i\](.*?)\[\/i\]/is', '/\[u\](.*?)\[\/u\]/is'); $replace = array('$1', '$1', '$1'); $output = preg_replace ($search, $replace, $output); // Replace newlines with
tags $nls = array("\n"); $nls = str_replace($nls, "
\n", $output); $output = $nls; return $output; } ?>