Sazpaimon
88bacfad9c
Trunk updated to 0.9 git-svn-id: http://kusabax.cultnet.net/svn/repo/stable@176 73d99b7e-4f53-4972-b7b7-2ecd3c4d89ee
255 lines
9.3 KiB
PHP
255 lines
9.3 KiB
PHP
<?php
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/**
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* Display the embedded video
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*
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* @param array $post Post data
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* @return string Embedded video
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*/
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function embeddedVideoBox($post) {
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global $tc_db;
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$results = $tc_db->GetAll("SELECT HIGH_PRIORITY * FROM `" . KU_DBPREFIX . "embeds`");
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$output = '<span style="float: left;">' . "\n";
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foreach ($results as $line) {
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if ($post['file_type'] == $line['filetype']) {
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$code = $line['code'];
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/*$width = $line['width'];
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$height = $line['height'];*/
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$replace = array('SET_HEIGHT', 'SET_WIDTH', 'EMBED_ID');
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$trueval = array($line['height'], $line['width'], $post['file']);
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$code = str_replace($replace, $trueval, $code);
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$output .= $code;
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}
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}
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$output .= '</span> ' . "\n";
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return $output;
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}
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/**
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* Check if the supplied md5 file hash is currently recorded inside of the database, attached to a non-deleted post
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*/
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function checkMd5($md5, $board, $boardid) {
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global $tc_db;
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$matches = $tc_db->GetAll("SELECT `id`, `parentid` FROM `".KU_DBPREFIX."posts` WHERE `boardid` = " . $boardid . " AND `IS_DELETED` = 0 AND `file_md5` = ".$tc_db->qstr($md5)." LIMIT 1");
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if (count($matches) > 0) {
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$real_parentid = ($matches[0][1] == 0) ? $matches[0][0] : $matches[0][1];
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return array($real_parentid, $matches[0][0]);
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}
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return false;
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}
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/* Image handling */
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/**
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* Create a thumbnail
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*
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* @param string $name File to be thumbnailed
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* @param string $filename Path to place the thumbnail
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* @param integer $new_w Maximum width
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* @param integer $new_h Maximum height
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* @return boolean Success/fail
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*/
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function createThumbnail($name, $filename, $new_w, $new_h) {
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if (KU_THUMBMETHOD == 'imagemagick') {
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$convert = 'convert ' . escapeshellarg($name);
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if (!KU_ANIMATEDTHUMBS) {
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$convert .= '[0] ';
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}
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$convert .= ' -resize ' . $new_w . 'x' . $new_h . ' -quality ';
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if (substr($filename, 0, -3) != 'gif') {
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$convert .= '70';
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} else {
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$convert .= '90';
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}
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$convert .= ' ' . escapeshellarg($filename);
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exec($convert);
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if (is_file($filename)) {
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return true;
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} else {
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return false;
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}
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} elseif (KU_THUMBMETHOD == 'gd') {
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$system=explode(".", $filename);
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$system = array_reverse($system);
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if (preg_match("/jpg|jpeg/", $system[0])) {
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$src_img=imagecreatefromjpeg($name);
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} else if (preg_match("/png/", $system[0])) {
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$src_img=imagecreatefrompng($name);
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} else if (preg_match("/gif/", $system[0])) {
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$src_img=imagecreatefromgif($name);
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} else {
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return false;
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}
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if (!$src_img) {
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exitWithErrorPage(_gettext('Unable to read uploaded file during thumbnailing.'), _gettext('A common cause for this is an incorrect extension when the file is actually of a different type.'));
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}
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$old_x = imageSX($src_img);
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$old_y = imageSY($src_img);
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if ($old_x > $old_y) {
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$percent = $new_w / $old_x;
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} else {
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$percent = $new_h / $old_y;
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}
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$thumb_w = round($old_x * $percent);
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$thumb_h = round($old_y * $percent);
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$dst_img = ImageCreateTrueColor($thumb_w, $thumb_h);
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fastImageCopyResampled($dst_img, $src_img, 0, 0, 0, 0, $thumb_w, $thumb_h, $old_x, $old_y, $system);
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if (preg_match("/png/", $system[0])) {
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if (!imagepng($dst_img,$filename,0,PNG_ALL_FILTERS) ) {
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echo 'unable to imagepng.';
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return false;
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}
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} else if (preg_match("/jpg|jpeg/", $system[0])) {
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if (!imagejpeg($dst_img, $filename, 70)) {
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echo 'unable to imagejpg.';
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return false;
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}
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} else if (preg_match("/gif/", $system[0])) {
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if (!imagegif($dst_img, $filename)) {
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echo 'unable to imagegif.';
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return false;
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}
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}
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imagedestroy($dst_img);
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imagedestroy($src_img);
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return true;
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}
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return false;
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}
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/* Author: Tim Eckel - Date: 12/17/04 - Project: FreeRingers.net - Freely distributable. */
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/**
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* Faster method than only calling imagecopyresampled()
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*
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* @return boolean Success/fail
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*/
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function fastImageCopyResampled(&$dst_image, &$src_image, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h, $system, $quality = 3) {
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/*
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Optional "quality" parameter (defaults is 3). Fractional values are allowed, for example 1.5.
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1 = Up to 600 times faster. Poor results, just uses imagecopyresized but removes black edges.
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2 = Up to 95 times faster. Images may appear too sharp, some people may prefer it.
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3 = Up to 60 times faster. Will give high quality smooth results very close to imagecopyresampled.
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4 = Up to 25 times faster. Almost identical to imagecopyresampled for most images.
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5 = No speedup. Just uses imagecopyresampled, highest quality but no advantage over imagecopyresampled.
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*/
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if (empty($src_image) || empty($dst_image) || $quality <= 0) { return false; }
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if (preg_match("/png/", $system[0]) || preg_match("/gif/", $system[0])) {
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$colorcount = imagecolorstotal($src_image);
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if ($colorcount <= 256 && $colorcount != 0) {
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imagetruecolortopalette($dst_image,true,$colorcount);
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imagepalettecopy($dst_image,$src_image);
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$transparentcolor = imagecolortransparent($src_image);
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imagefill($dst_image,0,0,$transparentcolor);
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imagecolortransparent($dst_image,$transparentcolor);
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}
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else {
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imageAlphaBlending($dst_image, false);
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imageSaveAlpha($dst_image, true); //If the image has Alpha blending, lets save it
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}
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}
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if ($quality < 5 && (($dst_w * $quality) < $src_w || ($dst_h * $quality) < $src_h)) {
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$temp = imagecreatetruecolor ($dst_w * $quality + 1, $dst_h * $quality + 1);
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if (preg_match("/png/", $system[0])) {
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$background = imagecolorallocate($temp, 0, 0, 0);
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ImageColorTransparent($temp, $background); // make the new temp image all transparent
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imagealphablending($temp, false); // turn off the alpha blending to keep the alpha channel
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}
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imagecopyresized ($temp, $src_image, 0, 0, $src_x, $src_y, $dst_w * $quality + 1, $dst_h * $quality + 1, $src_w, $src_h);
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imagecopyresampled ($dst_image, $temp, $dst_x, $dst_y, 0, 0, $dst_w, $dst_h, $dst_w * $quality, $dst_h * $quality);
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imagedestroy ($temp);
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}
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else imagecopyresampled ($dst_image, $src_image, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h);
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return true;
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}
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/*
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Link validator
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Will use cURL to attempt to visit a webpage, and then return based upon how the
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request was handled. Used for embedded videos to validate the ID is existant.
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Thanks phadeguy - http://www.zend.com/codex.php?id=1256&single=1
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expects a link url as string
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returns an array of three elements:
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return_array[0] = HTTP version
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return_array[1] = Returned error number (200, 404, etc)
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return_array[2] = Returned error text ("OK", "File Not Found", etc) */
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function check_link($link) {
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$main = array();
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$ch = curl_init();
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curl_setopt ($ch, CURLOPT_URL, $link);
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curl_setopt ($ch, CURLOPT_HEADER, 1);
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curl_setopt ($ch, CURLOPT_NOBODY, 1);
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// curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1);
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curl_setopt ($ch, CURLOPT_TIMEOUT, 10);
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curl_setopt ($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)");
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ob_start();
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curl_exec ($ch);
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$stuff = ob_get_contents();
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ob_end_clean();
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curl_close ($ch);
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$parts = split("n",$stuff,2);
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$main = split(" ",$parts[0],3);
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return $main;
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}
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/**
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* Trim the threads to the page limit and delete posts which are older than limited
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*/
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function TrimToPageLimit($board) {
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global $tc_db;
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if ($board['maxage'] != 0) {
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// If the maximum thread age setting is not zero (do not delete old threads), find posts which are older than the limit, and delete them
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$results = $tc_db->GetAll("SELECT `id`, `timestamp` FROM `".KU_DBPREFIX."posts` WHERE `boardid` = " . $board['id'] . " AND `IS_DELETED` = 0 AND `parentid` = 0 AND `stickied` = 0 AND ((`timestamp` + " . ($board['maxage']*3600) . ") < " . time() . ")");
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foreach($results AS $line) {
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// If it is older than the limit
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$post_class = new Post($line['id'], $board['name'], $board['id']);
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$post_class->Delete(true);
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}
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}
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if ($board['maxpages'] != 0) {
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// If the maximum pages setting is not zero (do not limit pages), find posts which are over the limit, and delete them
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$results = $tc_db->GetAll("SELECT `id`, `stickied` FROM `".KU_DBPREFIX."posts` WHERE `boardid` = " . $board['id'] . " AND `IS_DELETED` = 0 AND `parentid` = 0");
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$results_count = count($results);
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if (calculatenumpages($board['type'], $results_count) >= $board['maxpages']) {
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$board['maxthreads'] = ($board['maxpages'] * KU_THREADS);
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$numthreadsover = ($results_count - $board['maxthreads']);
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if ($numthreadsover > 0) {
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$resultspost = $tc_db->GetAll("SELECT `id`, `stickied` FROM `".KU_DBPREFIX."posts` WHERE `boardid` = " . $board['id'] . " AND `IS_DELETED` = 0 AND `parentid` = 0 AND `stickied` = 0 ORDER BY `bumped` ASC LIMIT " . $numthreadsover);
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foreach($resultspost AS $linepost) {
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$post_class = new Post($linepost['id'], $board['name'], $board['id']);
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$post_class->Delete(true);
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}
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}
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}
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}
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// If the thread was marked for deletion more than two hours ago, delete it
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$results = $tc_db->GetAll("SELECT `id` FROM `".KU_DBPREFIX."posts` WHERE `boardid` = " . $board['id'] . " AND `IS_DELETED` = 0 AND `parentid` = 0 AND `stickied` = 0 AND `deleted_timestamp` > 0 AND (`deleted_timestamp` <= " . time() . ")");
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foreach($results AS $line) {
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// If it is older than the limit
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$post_class = new Post($line['id'], $board['name'], $board['id']);
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$post_class->Delete(true);
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}
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}
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?>
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