mirror of
https://github.com/e107inc/e107.git
synced 2025-01-17 20:58:30 +01:00
281 lines
8.7 KiB
PHP
281 lines
8.7 KiB
PHP
<?php
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// $Id$
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// General purpose image bbcode. As well as the obvious insertion of a picture:
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// a) if filname begins with 'th_' or 'thumb_', creates link to main image opening in new window
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// b) If filename contains '*', treats it as a wildcard, and displays a random image from all matching file names found ? really?
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//
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// Can use simple classes for float - e.g.:
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// .floatleft {clear: right; float: left; margin: 0px 5px 5px 0px; padding:2px; border: 0px;}
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// .floatright {clear: left; float: right; margin: 0px 0px 0px 5px; padding:2px; border: 0px;}
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// Currently defaults class to 'floatnone' - overridden by bbcode
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if (!defined('e107_INIT')) { exit; }
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class bb_img extends e_bb_base
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{
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function toDB($code_text, $parm)
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{
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$parms = eHelper::scParams($parm);
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$safe = array();
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if(!empty($parms['class'])) $safe['class'] = eHelper::secureClassAttr($parms['class']);
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if(!empty($parms['id'])) $safe['id'] = eHelper::secureIdAttr($parms['id']);
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if(!empty($parms['style'])) $safe['style'] = eHelper::secureStyleAttr($parms['style']);
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if(!empty($parms['alt'])) $safe['alt'] = e107::getParser()->filter($parms['alt'],'str');
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if(isset($parms['width'])) $safe['width'] = (int) $parms['width'];
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if(!empty($safe))
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{
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return '[img '.eHelper::buildAttr($safe).']'.$code_text.'[/img]';
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}
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return '[img]'.$code_text.'[/img]';
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}
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/**
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* Media Manager bbcode. eg. using {e_MEDIA_IMAGE} and auto-resizing.
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* @return <img> tag with resized image.
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*/
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private function mediaImage($code_text,$parm)
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{
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$tp = e107::getParser();
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// Replace the bbcode path with a real one.
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$code_text = str_replace('{e_MEDIA}images/','{e_MEDIA_IMAGE}',$code_text); //BC 0.8 fix.
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// $code_text = str_replace('{e_MEDIA_IMAGE}', e_HTTP."thumb.php?src=e_MEDIA_IMAGE/", $code_text);
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// $code_text = str_replace('{e_THEME}', e_HTTP."thumb.php?src=e_THEME/", $code_text);
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$imgParms = $this->processParm($code_text, $parm);
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$figcaption = false;
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if(!empty($imgParms['figcaption']))
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{
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$figcaption = $imgParms['figcaption'];
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unset($imgParms['figcaption']);
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}
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foreach($imgParms as $k => $v)
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{
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// $parmStr .= " ".$k.'="'.$v.'"';
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if($v !== '')
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{
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$p[] = $tp->toAttribute($k).'="'.$tp->toAttribute($v).'"';
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}
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}
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$w = vartrue($imgParms['width']) ? intval($imgParms['width']) : vartrue(e107::getBB()->resizeWidth(),0);
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// $h = vartrue($imgParms['height']) ? intval($imgParms['height']) : e107::getBB()->resizeHeight();
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// $resize = "&w=".$w; // Always resize - otherwise the thumbnailer returns nothing.
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// $parmStr = implode(" ",$p);
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// $url = e107::getParser()->thumbUrl($code_text, $resize);
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$imgParms['w'] = $w;
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if(!empty($figcaption))
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{
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$html = "<figure>\n";
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// $html .= "<img src=\"".$url."\" {$parmStr} />";
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$html .= $tp->toImage($code_text, $imgParms);
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$html .= "<figcaption>".e107::getParser()->filter($figcaption,'str')."</figcaption>\n";
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$html .= "</figure>";
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return $html;
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}
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else
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{
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return $tp->toImage($code_text, $imgParms);
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// return "<img src=\"".$url."\" {$parmStr} />";
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}
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}
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/**
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* Process the [img] bbcode parm. ie. [img parms]something[/img]
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*/
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private function processParm($code_text, $parm, $mode='')
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{
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$tp = e107::getParser();
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$imgParms = array();
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$parm = preg_replace('#onerror *=#i','',$parm);
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$parm = str_replace("amp;", "&", $parm);
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// $parm = str_replace(" ","&",$parm); // Needed as parse_str() doesn't know how to handle spaces. Could return [width] => '400 AltValue'
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parse_str($parm,$imgParms);
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if(!vartrue($imgParms['width']) && strpos($parm,'width')!==false) // Calculate thumbnail width from style.
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{
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preg_match("/width:([\d]*)[p|x|%|;]*/i", $parm, $m);
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if($m[1] > 0)
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{
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$imgParms['width'] = $m[1];
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$imgParms['style'] = str_replace($m[0],'',$imgParms['style']); // strip hard-coded width styling.
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}
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}
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if(!vartrue($imgParms['alt'])) // Generate an Alt value from filename if one not found.
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{
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preg_match("/([\w]*)(?:\.png|\.jpg|\.jpeg|\.gif)/i", $code_text, $match); // Generate required Alt attribute.
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$imgParms['alt'] = ucwords(str_replace("_"," ",$match[1]));
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}
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else
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{
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$imgParms['figcaption'] = $imgParms['alt'] ;
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}
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$imgParms['title'] = $imgParms['alt'] ;
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$class = !empty($imgParms['class']) ? ' '.$imgParms['class'] : '';
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$imgParms['class'] = "img-rounded rounded bbcode ".e107::getBB()->getClass('img').$class; // This will be overridden if a new class is specified
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if($mode == 'string')
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{
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$text = '';
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foreach($imgParms as $key => $val)
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{
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$text .= $key."='".$tp->toAttribute($val)."' ";
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}
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return $text;
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}
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return $imgParms;
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}
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function toHTML($code_text, $parm)
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{
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$tp = e107::getParser();
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$pref = e107::getPref();
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if (trim($code_text) == "") return ""; // Do nothing on empty file
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if(substr($code_text,0,15) == '{e_MEDIA_IMAGE}' || substr($code_text,0,9) == '{e_MEDIA}' || substr($code_text,0,9) == '{e_THEME}') // Image from Media-Manager.
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{
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return $this->mediaImage($code_text, $parm);
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}
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if (preg_match("#\.php\?.*#",$code_text)){return "";} //XXX Breaks MediaManager Images, so do it after mediaManager check.
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$addlink = FALSE;
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// Automatic Img Resizing --
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$w = e107::getBB()->resizeWidth(); // varies depending on the class set by external script. see admin->media-manager->prefs
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$h = e107::getBB()->resizeHeight();
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// No resizing on v1.x legacy images.
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if(strpos($code_text,"://")==false && ($w || $h) && strpos($code_text,"{e_IMAGE}custom")===false && strpos($code_text,"newspost_images/")===false) // local file.
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{
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$code_text = $tp->thumbUrl($code_text,'w='.$w.'&h='.$h);
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}
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// ------------------------
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$search = array('"', '{E_IMAGE}', '{E_FILE}', '{e_IMAGE}', '{e_FILE}');
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$replace = array(''', e_IMAGE_ABS, e_FILE_ABS, e_IMAGE_ABS, e_FILE_ABS);
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$replaceInt = array(''', e_IMAGE, e_FILE, e_IMAGE, e_FILE);
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$intName = str_replace($search, $replaceInt, $code_text); // Server-relative file names
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$code_text = str_replace($search, $replace, $code_text);
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$code_text = $tp -> toAttribute($code_text);
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$img_file = pathinfo($code_text); // 'External' file name. N.B. - might still contain a constant such as e_IMAGE
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$parmStr = $this->processParm($code_text, $parm, 'string');
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// Select a random file if required
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if (strpos($img_file['basename'],'*') !== FALSE)
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{
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$fileList = array();
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$intFile = pathinfo($intName); // N.B. - might still contain a constant such as e_IMAGE
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$matchString = '#'.str_replace('*','.*?',$intFile['basename']).'#';
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$dirName = $tp->replaceConstants($intFile['dirname'].'/'); // we want server-relative directory
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if (($h = opendir($dirName)) !== FALSE)
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{
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while (($f = readdir($h)) !== FALSE)
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{
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if (preg_match($matchString,$f))
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{
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$fileList[] = $f; // Just need to note file names
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}
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}
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closedir($h);
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}
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else
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{
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echo "Error opening directory: {$dirName}<br />";
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return '';
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}
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if (count($fileList))
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{
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$img_file['basename'] = $fileList[mt_rand(0,count($fileList)-1)]; // Just change name of displayed file - no change on directory
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$code_text = $img_file['dirname']."/".$img_file['basename'];
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}
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else
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{
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echo 'No file: '.$code_text;
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return '';
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}
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}
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// Check for whether we can display image down here - so we can show image name if appropriate
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if (!vartrue($pref['image_post']) || !check_class($pref['image_post_class']))
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{
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switch ($pref['image_post_disabled_method'])
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{
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case '1' :
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return CORE_LAN17;
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case '2' :
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return '';
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}
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return CORE_LAN18.$code_text;
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}
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// Check for link to main image if required
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if (strpos($img_file['basename'],'th_') === 0)
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{
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$addlink = TRUE;
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$main_name = $img_file['dirname']."/".substr($img_file['basename'],3); // delete the 'th' prefix from file name
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}
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elseif (strpos($img_file['basename'],'thumb_') === 0)
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{
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$addlink = TRUE;
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$main_name = $img_file['dirname']."/".substr($img_file['basename'],6); // delete the 'thumb' prefix from file name
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}
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if ($addlink)
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{
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return "<a href='".$main_name."' rel='external'><img src='".$code_text."' {$parmStr} /></a>";
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}
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else
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{
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return "<img src='".$code_text."' {$parmStr} />";
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}
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}
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}
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?>
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