diff --git a/inc/functions.php b/inc/functions.php new file mode 100644 index 00000000..7cb934fc --- /dev/null +++ b/inc/functions.php @@ -0,0 +1,647 @@ + $v) { + $replaces[$delim . $k . $delim] = $v; + } + return str_replace(array_keys($replaces), + array_values($replaces), $str); + } + + function sql_open() { + global $sql; + $sql = @mysql_connect(MY_SERVER, MY_USER, MY_PASSWORD) or error('Database error.'); + @mysql_select_db(MY_DATABASE, $sql) or error('Database error.'); + } + + function sql_close() { + global $sql; + @mysql_close($sql); + } + + function mysql_safe_array(&$array) { + foreach($array as &$item) { + $item = mysql_real_escape_string($item); + } + } + + function setupBoard($array) { + global $board; + + $board = Array( + 'id' => $array['id'], + 'uri' => $array['uri'], + 'name' => $array['title'], + 'title' => $array['subtitle']); + + $board['dir'] = sprintf(BOARD_PATH, $board['uri']); + $board['url'] = sprintf(BOARD_ABBREVIATION, $board['uri']); + + if(!file_exists($board['dir'])) mkdir($board['dir'], 0777); + if(!file_exists($board['dir'] . DIR_IMG)) @mkdir($board['dir'] . DIR_IMG, 0777) or error("Couldn't create " . DIR_IMG . ". Check permissions.", true); + if(!file_exists($board['dir'] . DIR_THUMB)) @mkdir($board['dir'] . DIR_THUMB, 0777) or error("Couldn't create " . DIR_THUMB . ". Check permissions.", true); + if(!file_exists($board['dir'] . DIR_RES)) @mkdir($board['dir'] . DIR_RES, 0777) or error("Couldn't create " . DIR_RES . ". Check permissions.", true); + } + + function openBoard($uri) { + global $sql; + $boards_res = mysql_query(sprintf( + "SELECT * FROM `boards` WHERE `uri` = '%s' LIMIT 1", + mysql_real_escape_string($uri) + ), $sql) or error(mysql_error($sql)); + + if($_board = mysql_fetch_array($boards_res)) { + setupBoard($_board); + return true; + } else return false; + } + + function threadExists($id) { + global $sql; + $thread_res = mysql_query(sprintf( + "SELECT 1 FROM `posts` WHERE `id` = '%d' AND `thread` IS NULL LIMIT 1", + $id + ), $sql) or error(mysql_error($sql)); + + if(mysql_num_rows($thread_res) > 0) { + return true; + } else return false; + } + + function post($post, $OP) { + global $sql, $board; + if($OP) { + mysql_query( + sprintf("INSERT INTO `posts` VALUES ( NULL, '%d', NULL, '%s', '%s', '%s', '%s', '%s', '%d', '%d', '%s', '%d', '%d', '%s', '%d', '%d', '%d', '%s', '%s', '%s', '%s' )", + $board['id'], + $post['subject'], + $post['email'], + $post['name'], + $post['trip'], + $post['body'], + time(), + time(), + $post['thumb'], + $post['thumbwidth'], + $post['thumbheight'], + $post['file'], + $post['width'], + $post['height'], + $post['filesize'], + $post['filename'], + $post['filehash'], + $post['password'], + mysql_real_escape_string($_SERVER['REMOTE_ADDR']) + ), $sql) or error(mysql_error($sql)); + return mysql_insert_id($sql); + } else { + mysql_query( + sprintf("INSERT INTO `posts` VALUES ( NULL, '%d', '%d', '%s', '%s', '%s', '%s', '%s', '%d', '%d', '%s', '%d', '%d', '%s', '%d', '%d', '%d', '%s', '%s', '%s', '%s' )", + $board['id'], + $post['thread'], + $post['subject'], + $post['email'], + $post['name'], + $post['trip'], + $post['body'], + time(), + time(), + $post['has_file']?$post['thumb']:null, + $post['has_file']?$post['thumbwidth']:null, + $post['has_file']?$post['thumbheight']:null, + $post['has_file']?$post['file']:null, + $post['has_file']?$post['width']:null, + $post['has_file']?$post['height']:null, + $post['has_file']?$post['filesize']:null, + $post['has_file']?$post['filename']:null, + $post['has_file']?$post['filehash']:null, + $post['password'], + mysql_real_escape_string($_SERVER['REMOTE_ADDR']) + ), $sql) or error(mysql_error($sql)); + return mysql_insert_id($sql); + } + } + + function index($page) { + global $sql, $board; + + $body = ''; + $offset = round($page*THREADS_PER_PAGE-THREADS_PER_PAGE); + + sql_open(); + $query = mysql_query(sprintf( + "SELECT * FROM `posts` WHERE `thread` IS NULL AND `board` = '%d' ORDER BY `bump` DESC LIMIT %d,%d", + $board['id'], + $offset, + THREADS_PER_PAGE + ), $sql) or error(mysql_error($sql)); + + if(mysql_num_rows($query) < 1 && $page > 1) return false; + while($th = mysql_fetch_array($query)) { + $thread = new Thread($th['id'], $th['subject'], $th['email'], $th['name'], $th['trip'], $th['body'], $th['time'], $th['thumb'], $th['thumbwidth'], $th['thumbheight'], $th['file'], $th['filewidth'], $th['fileheight'], $th['filesize'], $th['filename']); + + $newposts = mysql_query(sprintf( + "SELECT `id`, `subject`, `email`, `name`, `trip`, `body`, `time`, `thumb`, `thumbwidth`, `thumbheight`, `file`, `filewidth`, `fileheight`, `filesize`, `filename` FROM `posts` WHERE `board` = '%d' AND `thread` = '%s' ORDER BY `time` DESC LIMIT %d", + $board['id'], + $th['id'], + THREADS_PREVIEW + ), $sql) or error(mysql_error($sql)); + if(mysql_num_rows($newposts) == THREADS_PREVIEW) { + $count_query = mysql_query(sprintf( + "SELECT COUNT(`id`) as `num` FROM `posts` WHERE `board` = '%d' AND `thread` = '%s'", + $board['id'], + $th['id'] + ), $sql) or error(mysql_error($sql)); + $count = mysql_fetch_array($count_query); + $omitted = $count['num'] - THREADS_PREVIEW; + $thread->omitted = $omitted; + mysql_free_result($count_query); + unset($count); + unset($omitted); + } + while($po = mysql_fetch_array($newposts)) { + $thread->add(new Post($po['id'], $th['id'], $po['subject'], $po['email'], $po['name'], $po['trip'], $po['body'], $po['time'], $po['thumb'], $po['thumbwidth'], $po['thumbheight'], $po['file'], $po['filewidth'], $po['fileheight'], $po['filesize'], $po['filename'])); + } + mysql_free_result($newposts); + + $thread->posts = array_reverse($thread->posts); + $body .= $thread->build(true); + } + mysql_free_result($query); + return Array('button'=>BUTTON_NEWTOPIC, 'board'=>$board, 'body'=>$body, 'post_url' => POST_URL, 'index' => ROOT); + } + + function buildIndex() { + global $sql, $board; + sql_open(); + + $res = mysql_query(sprintf( + "SELECT COUNT(`id`) as `num` FROM `posts` WHERE `board` = '%d' AND `thread` IS NULL", + $board['id'] + ), $sql) or error(mysql_error($sql)); + $arr = mysql_fetch_array($res); + $count = floor((THREADS_PER_PAGE + $arr['num'] - 1) / THREADS_PER_PAGE); + + $pages = Array(); + for($x=0;$x<$count && $x $x+1, 'link' => $x==0 ? ROOT . $board['dir'] . FILE_INDEX : ROOT . $board['dir'] . sprintf(FILE_PAGE, $x+1)); + } + + mysql_free_result($res); + unset($arr); + unset($count); + + $page = 1; + while($page <= MAX_PAGES && $content = index($page)) { + $filename = $board['dir'] . ($page==1 ? FILE_INDEX : sprintf(FILE_PAGE, $page)); + if(file_exists($filename)) $md5 = md5_file($filename); + + $content['pages'] = $pages; + @file_put_contents($filename, Element('index.html', $content)) or error("Couldn't write to file."); + + if(isset($md5) && $md5 == md5_file($filename)) { + break; + } + $page++; + } + if($page < MAX_PAGES) { + for(;$page<=MAX_PAGES;$page++) { + $filename = $page==1 ? FILE_INDEX : sprintf(FILE_PAGE, $page); + @unlink($filename); + } + } + } + + function markup(&$body) { + global $sql, $board; + + if(AUTO_UNICODE) { + $body = str_replace('...', '…', $body); + $body = str_replace('<--', '←', $body); + + // En and em- dashes are rendered exactly the same in + // most monospace fonts (they look the same in code + // editors). + $body = str_replace('---', '—', $body); // em dash + $body = str_replace('--', '–', $body); // en dash + } + + $body = utf8tohtml($body, true); + + // Cites + if(preg_match_all('/(^|\s)>>([0-9]+?)(\s|$)/', $body, $cites)) { + $previousPosition = 0; + $temp = ''; + sql_open(); + for($index=0;$index>>' . $cite . ''; + } else { + $replacement = ">>{$cite}"; + } + mysql_free_result($result); + + // Find the position of the cite + $position = strpos($body, $cites[0][$index]); + // Replace the found string with "xxxx[...]". (allows duplicate tags). Keeps whitespace. + $body = substr_replace($body, str_repeat('x', strlen($cites[0][$index]) - $whitespace[0] - $whitespace[1]), $position + $whitespace[0], strlen($cites[0][$index]) - $whitespace[0] - $whitespace[1]); + + $temp .= substr($body, $previousPosition, $position-$previousPosition) . $cites[1][$index] . $replacement . $cites[3][$index]; + $previousPosition = $position+strlen($cites[0][$index]); + } + // The rest + $temp .= substr($body, $previousPosition); + + $body = $temp; + } + + $body = str_replace("\r", '', $body); + + if(MARKUP_URLS) + $body = preg_replace(URL_REGEX, "$0", $body); + $body = preg_replace("/(^|\n)([\s]+)?(>)([^\n]+)?($|\n)/m", '$1$2$3$4$5', $body); + + if(WIKI_MARKUP) { + $body = preg_replace("/(^|\n)==(.+?)==\n?/m", "

$2

", $body); + $body = preg_replace("/'''(.+?)'''/m", "$1", $body); + $body = preg_replace("/''(.+?)''/m", "$1", $body); + } + $body = preg_replace("/\n/", '
', $body); + } + + function utf8tohtml($utf8, $encodeTags=true) { + $result = ''; + for ($i = 0; $i < strlen($utf8); $i++) { + $char = $utf8[$i]; + $ascii = ord($char); + if ($ascii < 128) { + // one-byte character + $result .= ($encodeTags) ? htmlentities($char) : $char; + } else if ($ascii < 192) { + // non-utf8 character or not a start byte + } else if ($ascii < 224) { + // two-byte character + $result .= htmlentities(substr($utf8, $i, 2), ENT_QUOTES, 'UTF-8'); + $i++; + } else if ($ascii < 240) { + // three-byte character + $ascii1 = ord($utf8[$i+1]); + $ascii2 = ord($utf8[$i+2]); + $unicode = (15 & $ascii) * 4096 + + (63 & $ascii1) * 64 + + (63 & $ascii2); + $result .= "&#$unicode;"; + $i += 2; + } else if ($ascii < 248) { + // four-byte character + $ascii1 = ord($utf8[$i+1]); + $ascii2 = ord($utf8[$i+2]); + $ascii3 = ord($utf8[$i+3]); + $unicode = (15 & $ascii) * 262144 + + (63 & $ascii1) * 4096 + + (63 & $ascii2) * 64 + + (63 & $ascii3); + $result .= "&#$unicode;"; + $i += 3; + } + } + return $result; + } + + function buildThread($id, $return=false) { + global $sql, $board; + $id = round($id); + + $query = mysql_query(sprintf( + "SELECT `id`,`thread`,`subject`,`name`,`email`,`trip`,`body`,`time`,`thumb`,`thumbwidth`,`thumbheight`,`file`,`filewidth`,`fileheight`,`filesize`,`filename` FROM `posts` WHERE `board` = '%d' AND ((`thread` IS NULL AND `id` = '%s') OR `thread` = '%s') ORDER BY `thread`,`time`", + $board['id'], + $id, + $id + ), $sql) or error(mysql_error($sql)); + + while($post = mysql_fetch_array($query)) { + if(!isset($thread)) { + $thread = new Thread($post['id'], $post['subject'], $post['email'], $post['name'], $post['trip'], $post['body'], $post['time'], $post['thumb'], $post['thumbwidth'], $post['thumbheight'], $post['file'], $post['filewidth'], $post['fileheight'], $post['filesize'], $post['filename'], false); + } else { + $thread->add(new Post($post['id'], $thread->id, $post['subject'], $post['email'], $post['name'], $post['trip'], $post['body'], $post['time'], $post['thumb'], $post['thumbwidth'], $post['thumbheight'], $post['file'], $post['filewidth'], $post['fileheight'], $post['filesize'], $post['filename'])); + } + $body = Element('thread.html', Array( + 'button'=>BUTTON_REPLY, + 'board'=>$board, + 'body'=>$thread->build(), + 'post_url' => POST_URL, + 'index' => ROOT, + 'id' => $id + )); + + if($return) + return $body; + else + @file_put_contents($board['dir'] . DIR_RES . $id . '.html', $body) or error("Couldn't write to file."); + } + mysql_free_result($query); + } + + function generate_tripcode ( $name, $length = 10 ) { + $name = stripslashes ( $name ); + $t = explode('#', $name); + $nameo = $t[0]; + if ( isset ( $t[1] ) || isset ( $t[2] ) ) { + $trip = ( ( strlen ( $t[1] ) > 0 ) ? $t[1] : $t[2] ); + if ( ( function_exists ( 'mb_convert_encoding' ) ) ) { + # mb_substitute_character('none'); + $recoded_cap = mb_convert_encoding ( $trip, 'Shift_JIS', 'UTF-8' ); + } + $trip = ( ( ! empty ( $recoded_cap ) ) ? $recoded_cap : $trip ); + $salt = substr ( $trip.'H.', 1, 2 ); + $salt = preg_replace ( '/[^\.-z]/', '.', $salt ); + $salt = strtr ( $salt, ':;<=>?@[\]^_`', 'ABCDEFGabcdef' ); + if ( isset ( $t[2] ) ) { + // secure + $trip = '!!' . substr ( crypt ( $trip, '@#$%^&*()' ), ( -1 * $length ) ); + } else { + // insecure + $trip = '!' . substr ( crypt ( $trip, $salt ), ( -1 * $length ) ); + } + } + if ( isset ( $trip ) ) { + return array ( $nameo, $trip ); + } else { + return array ( $nameo ); + } + } + + // Highest common factor + function hcf($a, $b){ + $gcd = 1; + if ($a>$b) { + $a = $a+$b; + $b = $a-$b; + $a = $a-$b; + } + if ($b==(round($b/$a))*$a) + $gcd=$a; + else { + for($i=round($a/2);$i;$i--) { + if ($a == round($a/$i)*$i && $b == round($b/$i)*$i) { + $gcd = $i; + $i = false; + } + } + } + return $gcd; + } + + function fraction($numerator, $denominator, $sep) { + $gcf = hcf($numerator, $denominator); + $numerator = $numerator / $gcf; + $denominator = $denominator / $gcf; + + return "{$numerator}{$sep}{$denominator}"; + } + + /*********************************************/ + /* Fonction: imagecreatefrombmp */ + /* Author: DHKold */ + /* Contact: admin@dhkold.com */ + /* Date: The 15th of June 2005 */ + /* Version: 2.0B */ + /*********************************************/ + + function imagecreatefrombmp($filename) { + if (! $f1 = fopen($filename,"rb")) return FALSE; + $FILE = unpack("vfile_type/Vfile_size/Vreserved/Vbitmap_offset", fread($f1,14)); + if ($FILE['file_type'] != 19778) return FALSE; + $BMP = unpack('Vheader_size/Vwidth/Vheight/vplanes/vbits_per_pixel'. + '/Vcompression/Vsize_bitmap/Vhoriz_resolution'. + '/Vvert_resolution/Vcolors_used/Vcolors_important', fread($f1,40)); + $BMP['colors'] = pow(2,$BMP['bits_per_pixel']); + if ($BMP['size_bitmap'] == 0) $BMP['size_bitmap'] = $FILE['file_size'] - $FILE['bitmap_offset']; + $BMP['bytes_per_pixel'] = $BMP['bits_per_pixel']/8; + $BMP['bytes_per_pixel2'] = ceil($BMP['bytes_per_pixel']); + $BMP['decal'] = ($BMP['width']*$BMP['bytes_per_pixel']/4); + $BMP['decal'] -= floor($BMP['width']*$BMP['bytes_per_pixel']/4); + $BMP['decal'] = 4-(4*$BMP['decal']); + if ($BMP['decal'] == 4) $BMP['decal'] = 0; + + $PALETTE = array(); + if ($BMP['colors'] < 16777216) + { + $PALETTE = unpack('V'.$BMP['colors'], fread($f1,$BMP['colors']*4)); + } + + $IMG = fread($f1,$BMP['size_bitmap']); + $VIDE = chr(0); + + $res = imagecreatetruecolor($BMP['width'],$BMP['height']); + $P = 0; + $Y = $BMP['height']-1; + while ($Y >= 0) + { + $X=0; + while ($X < $BMP['width']) + { + if ($BMP['bits_per_pixel'] == 24) + $COLOR = unpack("V",substr($IMG,$P,3).$VIDE); + elseif ($BMP['bits_per_pixel'] == 16) + { + $COLOR = unpack("n",substr($IMG,$P,2)); + $COLOR[1] = $PALETTE[$COLOR[1]+1]; + } + elseif ($BMP['bits_per_pixel'] == 8) + { + $COLOR = unpack("n",$VIDE.substr($IMG,$P,1)); + $COLOR[1] = $PALETTE[$COLOR[1]+1]; + } + elseif ($BMP['bits_per_pixel'] == 4) + { + $COLOR = unpack("n",$VIDE.substr($IMG,floor($P),1)); + if (($P*2)%2 == 0) $COLOR[1] = ($COLOR[1] >> 4) ; else $COLOR[1] = ($COLOR[1] & 0x0F); + $COLOR[1] = $PALETTE[$COLOR[1]+1]; + } + elseif ($BMP['bits_per_pixel'] == 1) + { + $COLOR = unpack("n",$VIDE.substr($IMG,floor($P),1)); + if (($P*8)%8 == 0) $COLOR[1] = $COLOR[1] >>7; + elseif (($P*8)%8 == 1) $COLOR[1] = ($COLOR[1] & 0x40)>>6; + elseif (($P*8)%8 == 2) $COLOR[1] = ($COLOR[1] & 0x20)>>5; + elseif (($P*8)%8 == 3) $COLOR[1] = ($COLOR[1] & 0x10)>>4; + elseif (($P*8)%8 == 4) $COLOR[1] = ($COLOR[1] & 0x8)>>3; + elseif (($P*8)%8 == 5) $COLOR[1] = ($COLOR[1] & 0x4)>>2; + elseif (($P*8)%8 == 6) $COLOR[1] = ($COLOR[1] & 0x2)>>1; + elseif (($P*8)%8 == 7) $COLOR[1] = ($COLOR[1] & 0x1); + $COLOR[1] = $PALETTE[$COLOR[1]+1]; + } + else + return FALSE; + imagesetpixel($res,$X,$Y,$COLOR[1]); + $X++; + $P += $BMP['bytes_per_pixel']; + } + $Y--; + $P+=$BMP['decal']; + } + fclose($f1); + + return $res; + } + + function createimage($type, $source_pic) { + $image = false; + switch($type) { + case 'jpg': + case 'jpeg': + if(!$image = @imagecreatefromjpeg($source_pic)) { + unlink($source_pic); + error(ERR_INVALIDIMG); + } + break; + case 'png': + if(!$image = @imagecreatefrompng($source_pic)) { + unlink($source_pic); + error(ERR_INVALIDIMG); + } + break; + case 'gif': + if(!$image = @imagecreatefromgif($source_pic)) { + unlink($source_pic); + error(ERR_INVALIDIMG); + } + break; + case 'bmp': + if(!$image = @imagecreatefrombmp($source_pic)) { + unlink($source_pic); + error(ERR_INVALIDIMG); + } + break; + default: + error('Unknwon file extension.'); + } + return $image; + } + + function resize($src, $width, $height, $destination_pic, $max_width, $max_height) { + $return = Array(); + + $x_ratio = $max_width / $width; + $y_ratio = $max_height / $height; + + if(($width <= $max_width) && ($height <= $max_height)) { + $tn_width = $width; + $tn_height = $height; + } elseif (($x_ratio * $height) < $max_height) { + $tn_height = ceil($x_ratio * $height); + $tn_width = $max_width; + } else { + $tn_width = ceil($y_ratio * $width); + $tn_height = $max_height; + } + + $return['width'] = $tn_width; + $return['height'] = $tn_height; + + $tmp = imagecreatetruecolor($tn_width, $tn_height); + imagecolortransparent($tmp, imagecolorallocatealpha($tmp, 0, 0, 0, 0)); + imagealphablending($tmp, false); + imagesavealpha($tmp, true); + + imagecopyresampled($tmp, $src, 0, 0, 0, 0, $tn_width, $tn_height, $width, $height); + + imagepng($tmp, $destination_pic, 4); + imagedestroy($src); + imagedestroy($tmp); + + return $return; + } + + function imagebmp(&$img, $filename='') { + $widthOrig = imagesx($img); + $widthFloor = ((floor($widthOrig/16))*16); + $widthCeil = ((ceil($widthOrig/16))*16); + $height = imagesy($img); + + $size = ($widthCeil*$height*3)+54; + + // Bitmap File Header + $result = 'BM'; // header (2b) + $result .= int_to_dword($size); // size of file (4b) + $result .= int_to_dword(0); // reserved (4b) + $result .= int_to_dword(54); // byte location in the file which is first byte of IMAGE (4b) + // Bitmap Info Header + $result .= int_to_dword(40); // Size of BITMAPINFOHEADER (4b) + $result .= int_to_dword($widthCeil); // width of bitmap (4b) + $result .= int_to_dword($height); // height of bitmap (4b) + $result .= int_to_word(1); // biPlanes = 1 (2b) + $result .= int_to_word(24); // biBitCount = {1 (mono) or 4 (16 clr ) or 8 (256 clr) or 24 (16 Mil)} (2b + $result .= int_to_dword(0); // RLE COMPRESSION (4b) + $result .= int_to_dword(0); // width x height (4b) + $result .= int_to_dword(0); // biXPelsPerMeter (4b) + $result .= int_to_dword(0); // biYPelsPerMeter (4b) + $result .= int_to_dword(0); // Number of palettes used (4b) + $result .= int_to_dword(0); // Number of important colour (4b) + + // is faster than chr() + $arrChr = array(); + for($i=0; $i<256; $i++){ + $arrChr[$i] = chr($i); + } + + // creates image data + $bgfillcolor = array('red'=>0, 'green'=>0, 'blue'=>0); + + // bottom to top - left to right - attention blue green red !!! + $y=$height-1; + for ($y2=0; $y2<$height; $y2++) { + for ($x=0; $x<$widthFloor; ) { + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']]; + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']]; + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']]; + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']]; + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']]; + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']]; + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']]; + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']]; + } + for ($x=$widthFloor; $x<$widthCeil; $x++) { + $rgb = ($x<$widthOrig) ? imagecolorsforindex($img, imagecolorat($img, $x, $y)) : $bgfillcolor; + $result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']]; + } + $y--; + } + + // see imagegif + if($filename == '') { + echo $result; + } else { + $file = fopen($filename, 'wb'); + fwrite($file, $result); + fclose($file); + } + } + // imagebmp helpers + function int_to_dword($n) { + return chr($n & 255).chr(($n >> 8) & 255).chr(($n >> 16) & 255).chr(($n >> 24) & 255); + } + function int_to_word($n) { + return chr($n & 255).chr(($n >> 8) & 255); + } +?> \ No newline at end of file