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globals.php
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Fri, Nov 21, 11:50 AM

globals.php
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<?php
/**
* @version $Id: globals.php 15733 2013-04-23 09:28:37Z alex $
* @package In-Portal
* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
* @license GNU/GPL
* In-Portal is Open Source software.
* This means that this software may have been modified pursuant
* the GNU General Public License, and as distributed it includes
* or is derivative of works licensed under the GNU General Public License
* or other free or open source software licenses.
* See http://www.in-portal.org/license for copyright notices and details.
*/
defined('FULL_PATH') or die('restricted access!');
class kUtil {
// const KG_TO_POUND = 2.20462262;
const POUND_TO_KG = 0.45359237;
/**
* Similar to array_merge_recursive but keyed-valued are always overwritten.
* Priority goes to the 2nd array.
*
* @param $paArray1 array
* @param $paArray2 array
* @return array
* @access public
*/
public static function array_merge_recursive($paArray1, $paArray2)
{
if (!is_array($paArray1) or !is_array($paArray2)) {
return $paArray2;
}
foreach ($paArray2 AS $sKey2 => $sValue2) {
$paArray1[$sKey2] = isset($paArray1[$sKey2]) ? self::array_merge_recursive($paArray1[$sKey2], $sValue2) : $sValue2;
}
return $paArray1;
}
/**
* Prepend a reference to an element to the beginning of an array.
* Renumbers numeric keys, so $value is always inserted to $array[0]
*
* @param $array array
* @param $value mixed
* @return int
* @access public
*/
public static function array_unshift_ref(&$array, &$value)
{
$return = array_unshift($array,'');
$array[0] =& $value;
return $return;
}
/**
* Rename key in associative array, maintaining keys order
*
* @param Array $array Associative Array
* @param mixed $old Old key name
* @param mixed $new New key name
* @access public
*/
public static function array_rename_key(&$array, $old, $new)
{
$new_array = Array ();
foreach ($array as $key => $val) {
$new_array[ $key == $old ? $new : $key] = $val;
}
$array = $new_array;
}
/**
* Same as print_r, but outputs result on screen or in debugger report (when in debug mode)
*
* @param Array $data
* @param string $label
* @param bool $on_screen
* @access public
*/
public static function print_r($data, $label = '', $on_screen = false)
{
$is_debug = false;
if ( class_exists('kApplication') && !$on_screen ) {
$application =& kApplication::Instance();
$is_debug = $application->isDebugMode();
}
if ( $is_debug && isset($application) ) {
if ( $label ) {
$application->Debugger->appendHTML('<strong>' . $label . '</strong>');
}
$application->Debugger->dumpVars($data);
}
else {
if ( $label ) {
echo '<strong>' . $label . '</strong><br/>';
}
echo '<pre>', print_r($data, true), '</pre>';
}
}
/**
* Define constant if it was not already defined before
*
* @param string $const_name
* @param string $const_value
* @access public
*/
public static function safeDefine($const_name, $const_value)
{
if ( !defined($const_name) ) {
define($const_name, $const_value);
}
}
/**
* Parses "/system/config.php" file and returns the result
*
* @param bool $parse_section
* @return Array
* @access public
*/
public static function parseConfig($parse_section = false)
{
$file = FULL_PATH . DIRECTORY_SEPARATOR . 'system' . DIRECTORY_SEPARATOR . 'config.php';
if ( !file_exists($file) ) {
return Array ();
}
if ( file_exists($file) && !is_readable($file) ) {
die('Could Not Open Ini File');
}
$contents = file($file);
if ( $contents && $contents[0] == '<' . '?' . 'php die() ?' . ">\n" ) {
// format of "config.php" file before 5.1.0 version
array_shift($contents);
return parse_ini_string(implode('', $contents), $parse_section);
}
$_CONFIG = Array ();
require($file);
if ( $parse_section ) {
if ( isset($_CONFIG['Database']['LoadBalancing']) && $_CONFIG['Database']['LoadBalancing'] ) {
require FULL_PATH . DIRECTORY_SEPARATOR . 'system' . DIRECTORY_SEPARATOR . 'db_servers.php';
}
return $_CONFIG;
}
$ret = Array ();
foreach ($_CONFIG as $section => $section_variables) {
$ret = array_merge($ret, $section_variables);
}
return $ret;
}
/**
* Returns parsed variables from "config.php" file
*
* @return Array
* @access public
*/
public static function getConfigVars()
{
static $vars = NULL;
if ( !isset($vars) ) {
$vars = self::parseConfig();
}
return $vars;
}
/**
* Same as "include_once", but also profiles file includes in debug mode and DBG_PROFILE_INCLUDES constant is set
*
* @param string $file
* @access public
*/
public static function includeOnce($file)
{
global $debugger;
if ( defined('DEBUG_MODE') && DEBUG_MODE && isset($debugger) && defined('DBG_PROFILE_INCLUDES') && DBG_PROFILE_INCLUDES ) {
if ( in_array($file, get_included_files()) ) {
return ;
}
global $debugger;
/*$debugger->IncludeLevel++;
$before_mem = memory_get_usage();*/
$debugger->ProfileStart('inc_'.crc32($file), $file);
include_once($file);
$debugger->ProfileFinish('inc_'.crc32($file));
$debugger->profilerAddTotal('includes', 'inc_'.crc32($file));
/*$used_mem = memory_get_usage() - $before_mem;
$debugger->IncludeLevel--;
$debugger->IncludesData['file'][] = str_replace(FULL_PATH, '', $file);
$debugger->IncludesData['mem'][] = $used_mem;
$debugger->IncludesData['time'][] = $used_time;
$debugger->IncludesData['level'][] = $debugger->IncludeLevel;*/
}
else {
include_once($file);
}
}
/**
* Checks if given string is a serialized array
*
* @param string $string
* @return bool
* @access public
*/
public static function IsSerialized($string)
{
if ( is_array($string) ) {
return false;
}
return preg_match('/a:([\d]+):{/', $string);
}
/**
* Generates password of given length
*
* @param int $length
* @return string
* @access public
*/
public static function generatePassword($length = 10)
{
$pass_length = $length;
$p1 = Array ('b','c','d','f','g','h','j','k','l','m','n','p','q','r','s','t','v','w','x','y','z');
$p2 = Array ('a','e','i','o','u');
$p3 = Array ('1','2','3','4','5','6','7','8','9');
$p4 = Array ('(','&',')',';','%'); // if you need real strong stuff
// how much elements in the array
// can be done with a array count but counting once here is faster
$s1 = 21;// this is the count of $p1
$s2 = 5; // this is the count of $p2
$s3 = 9; // this is the count of $p3
$s4 = 5; // this is the count of $p4
// possible readable combinations
$c1 = '121'; // will be like 'bab'
$c2 = '212'; // will be like 'aba'
$c3 = '12'; // will be like 'ab'
$c4 = '3'; // will be just a number '1 to 9' if you dont like number delete the 3
//$c5 = '4'; // uncomment to active the strong stuff
$comb = '4'; // the amount of combinations you made above (and did not comment out)
for ($p = 0; $p < $pass_length;) {
mt_srand((double)microtime() * 1000000);
$strpart = mt_rand(1, $comb);
// checking if the stringpart is not the same as the previous one
if ($strpart != $previous) {
$pass_structure .= ${'c' . $strpart};
// shortcutting the loop a bit
$p = $p + mb_strlen(${'c' . $strpart});
}
$previous = $strpart;
}
// generating the password from the structure defined in $pass_structure
for ($g = 0; $g < mb_strlen($pass_structure); $g++) {
mt_srand((double)microtime() * 1000000);
$sel = mb_substr($pass_structure, $g, 1);
$pass .= ${'p' . $sel}[ mt_rand(0,-1+${'s'.$sel}) ];
}
return $pass;
}
/**
* submits $url with $post as POST
*
* @param string $url
* @param mixed $data
* @param Array $headers
* @param string $request_type
* @param Array $curl_options
* @return string
* @access public
* @deprecated
*/
public static function curl_post($url, $data, $headers = NULL, $request_type = 'POST', $curl_options = NULL)
{
$application =& kApplication::Instance();
$curl_helper = $application->recallObject('CurlHelper');
/* @var $curl_helper kCurlHelper */
if ($request_type == 'POST') {
$curl_helper->SetRequestMethod(kCurlHelper::REQUEST_METHOD_POST);
}
$curl_helper->SetRequestData($data);
if (!is_null($headers)) {
// not an associative array, so don't use kCurlHelper::SetHeaders method
$curl_helper->setOptions( Array (CURLOPT_HTTPHEADER => $headers) );
}
if (is_array($curl_options)) {
$curl_helper->setOptions($curl_options);
}
$curl_helper->followLocation = false;
$ret = $curl_helper->Send($url);
$GLOBALS['curl_errorno'] = $curl_helper->lastErrorCode;
$GLOBALS['curl_error'] = $curl_helper->lastErrorMsg;
return $ret;
}
/**
* Checks if constant is defined and has positive value
*
* @param string $const_name
* @return bool
* @access public
*/
public static function constOn($const_name)
{
return defined($const_name) && constant($const_name);
}
/**
* Converts KG to Pounds
*
* @param float $kg
* @param bool $pounds_only
* @return float
* @access public
*/
public static function Kg2Pounds($kg, $pounds_only = false)
{
$major = floor( round($kg / self::POUND_TO_KG, 3) );
$minor = abs(round(($kg - $major * self::POUND_TO_KG) / self::POUND_TO_KG * 16, 2));
if ($pounds_only) {
$major += round($minor * 0.0625, 2);
$minor = 0;
}
return array($major, $minor);
}
/**
* Converts Pounds to KG
*
* @param float $pounds
* @param float $ounces
* @return float
* @access public
*/
public static function Pounds2Kg($pounds, $ounces = 0.00)
{
return round(($pounds + ($ounces / 16)) * self::POUND_TO_KG, 5);
}
/**
* Formats file/memory size in nice way
*
* @param int $bytes
* @return string
* @access public
*/
public static function formatSize($bytes)
{
if ($bytes >= 1099511627776) {
$return = round($bytes / 1024 / 1024 / 1024 / 1024, 2);
$suffix = "TB";
} elseif ($bytes >= 1073741824) {
$return = round($bytes / 1024 / 1024 / 1024, 2);
$suffix = "GB";
} elseif ($bytes >= 1048576) {
$return = round($bytes / 1024 / 1024, 2);
$suffix = "MB";
} elseif ($bytes >= 1024) {
$return = round($bytes / 1024, 2);
$suffix = "KB";
} else {
$return = $bytes;
$suffix = "Byte";
}
$return .= ' '.$suffix;
return $return;
}
/**
* Enter description here...
*
* @param resource $filePointer the file resource to write to
* @param Array $data the data to write out
* @param string $delimiter the field separator
* @param string $enclosure symbol to enclose field data to
* @param string $recordSeparator symbols to separate records with
* @access public
*/
public static function fputcsv($filePointer, $data, $delimiter = ',', $enclosure = '"', $recordSeparator = "\r\n")
{
fwrite($filePointer, self::getcsvline($data, $delimiter, $enclosure, $recordSeparator));
}
/**
* Enter description here...
*
* @param Array $data the data to write out
* @param string $delimiter the field separator
* @param string $enclosure symbol to enclose field data to
* @param string $recordSeparator symbols to separate records with
* @return string
* @access public
*/
public static function getcsvline($data, $delimiter = ',', $enclosure = '"', $recordSeparator = "\r\n")
{
foreach($data as $field_index => $field_value) {
// replaces an enclosure with two enclosures
$data[$field_index] = str_replace($enclosure, $enclosure.$enclosure, $field_value);
}
$line = $enclosure.implode($enclosure.$delimiter.$enclosure, $data).$enclosure.$recordSeparator;
$line = preg_replace('/'.preg_quote($enclosure, '/').'([0-9\.]+)'.preg_quote($enclosure, '/').'/', '$1', $line);
return $line;
}
/**
* Allows to replace #section# within any string with current section
*
* @param string $string
* @return string
* @access public
*/
public static function replaceModuleSection($string)
{
$application =& kApplication::Instance();
$module_section = $application->RecallVar('section');
if ($module_section) {
// substitute section instead of #section# parameter in title preset name
$module_section = explode(':', $module_section);
$section = preg_replace('/(configuration|configure)_(.*)/i', '\\2', $module_section[count($module_section) == 2 ? 1 : 0]);
$string = str_replace('#section#', mb_strtolower($section), $string);
}
return $string;
}
/**
* Checks, that user IP address is within allowed range
*
* @param string $ip_list semi-column (by default) separated ip address list
* @param string $separator ip address separator (default ";")
*
* @return bool
* @access public
*/
public static function ipMatch($ip_list, $separator = ';')
{
if ( php_sapi_name() == 'cli' ) {
return false;
}
$ip_match = false;
$ip_addresses = $ip_list ? explode($separator, $ip_list) : Array ();
$application =& kApplication::Instance();
$client_ip = $application->getClientIp();
foreach ($ip_addresses as $ip_address) {
if ( self::netMatch($ip_address, $client_ip) ) {
$ip_match = true;
break;
}
}
return $ip_match;
}
/**
* Checks, that given ip belongs to given subnet
*
* @param string $network
* @param string $ip
* @return bool
* @access public
*/
public static function netMatch($network, $ip)
{
$network = trim($network);
$ip = trim($ip);
if ( preg_replace('/[\d\.\/-]/', '', $network) != '' ) {
$network = gethostbyname($network);
}
if ($network == $ip) {
// comparing two ip addresses directly
return true;
}
$d = strpos($network, '-');
if ($d !== false) {
// ip address range specified
$from = ip2long(trim(substr($network, 0, $d)));
$to = ip2long(trim(substr($network, $d + 1)));
$ip = ip2long($ip);
return ($ip >= $from && $ip <= $to);
}
elseif (strpos($network, '/') !== false) {
// single subnet specified
$ip_arr = explode('/', $network);
if (!preg_match("@\d*\.\d*\.\d*\.\d*@", $ip_arr[0], $matches)) {
$ip_arr[0] .= '.0'; // Alternate form 194.1.4/24
}
$network_long = ip2long($ip_arr[0]);
$x = ip2long($ip_arr[1]);
$mask = long2ip($x) == $ip_arr[1] ? $x : (0xffffffff << (32 - $ip_arr[1]));
$ip_long = ip2long($ip);
return ($ip_long & $mask) == ($network_long & $mask);
}
return false;
}
/**
* Returns mime type corresponding to given file
* @param string $file
* @return string
* @access public
*/
public static function mimeContentType($file)
{
$ret = self::vendorMimeContentType($file);
if ( $ret ) {
// vendor-specific mime types override any automatic detection
return $ret;
}
if ( function_exists('finfo_open') && function_exists('finfo_file') ) {
$mime_magic_resource = finfo_open(FILEINFO_MIME_TYPE);
if ( $mime_magic_resource ) {
$ret = finfo_file($mime_magic_resource, $file);
finfo_close($mime_magic_resource);
}
}
elseif ( function_exists('mime_content_type') ) {
$ret = mime_content_type($file);
}
return $ret ? $ret : self::mimeContentTypeByExtension($file);
}
/**
* Determines vendor-specific mime type from a given file
*
* @param string $file
* @return bool
* @access public
* @static
*/
public static function vendorMimeContentType($file)
{
$file_extension = mb_strtolower(pathinfo(self::removeTempExtension($file), PATHINFO_EXTENSION));
$mapping = Array (
'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12'
);
return isset($mapping[$file_extension]) ? $mapping[$file_extension] : false;
}
/**
* Detects mime type of the file purely based on it's extension
*
* @param string $file
* @return string
* @access public
*/
public static function mimeContentTypeByExtension($file)
{
$file_extension = mb_strtolower(pathinfo(self::removeTempExtension($file), PATHINFO_EXTENSION));
$mapping = '(xls:application/excel)(hqx:application/macbinhex40)(doc,dot,wrd:application/msword)(pdf:application/pdf)
(pgp:application/pgp)(ps,eps,ai:application/postscript)(ppt:application/powerpoint)(rtf:application/rtf)
(tgz,gtar:application/x-gtar)(gz:application/x-gzip)(php,php3:application/x-httpd-php)(js:application/x-javascript)
(ppd,psd:application/x-photoshop)(swf,swc,rf:application/x-shockwave-flash)(tar:application/x-tar)(zip:application/zip)
(mid,midi,kar:audio/midi)(mp2,mp3,mpga:audio/mpeg)(ra:audio/x-realaudio)(wav:audio/wav)(bmp:image/bitmap)(bmp:image/bitmap)
(gif:image/gif)(iff:image/iff)(jb2:image/jb2)(jpg,jpe,jpeg:image/jpeg)(jpx:image/jpx)(png:image/png)(tif,tiff:image/tiff)
(wbmp:image/vnd.wap.wbmp)(xbm:image/xbm)(css:text/css)(txt:text/plain)(htm,html:text/html)(xml:text/xml)
(mpg,mpe,mpeg:video/mpeg)(qt,mov:video/quicktime)(avi:video/x-ms-video)(eml:message/rfc822)
(sxw:application/vnd.sun.xml.writer)(sxc:application/vnd.sun.xml.calc)(sxi:application/vnd.sun.xml.impress)
(sxd:application/vnd.sun.xml.draw)(sxm:application/vnd.sun.xml.math)
(odt:application/vnd.oasis.opendocument.text)(oth:application/vnd.oasis.opendocument.text-web)
(odm:application/vnd.oasis.opendocument.text-master)(odg:application/vnd.oasis.opendocument.graphics)
(odp:application/vnd.oasis.opendocument.presentation)(ods:application/vnd.oasis.opendocument.spreadsheet)
(odc:application/vnd.oasis.opendocument.chart)(odf:application/vnd.oasis.opendocument.formula)
(odi:application/vnd.oasis.opendocument.image)';
if ( preg_match('/[\(,]' . $file_extension . '[,]{0,1}.*?:(.*?)\)/s', $mapping, $regs) ) {
return $regs[1];
}
return 'application/octet-stream';
}
/**
* Strips ".tmp" suffix (added by flash uploader) from a filename
*
* @param string $file
* @return string
* @access public
* @static
*/
public static function removeTempExtension($file)
{
return preg_replace('/(_[\d]+)?\.tmp$/', '', $file);
}
/**
* Return param value and removes it from params array
*
* @param string $name
* @param Array $params
* @param bool $default
* @return string
*/
public static function popParam($name, &$params, $default = false)
{
if ( isset($params[$name]) ) {
$value = $params[$name];
unset($params[$name]);
return $value;
}
return $default;
}
/**
* Generate subpath from hashed value
*
* @param string $name
* @param int $levels
* @return string
*/
public static function getHashPathForLevel($name, $levels = 2)
{
if ( $levels == 0 ) {
return '';
}
else {
$path = '';
$hash = md5($name);
for ($i = 0; $i < $levels; $i++) {
$path .= substr($hash, $i, 1) . '/';
}
return $path;
}
}
/**
* Calculates the crc32 polynomial of a string (always positive number)
*
* @param string $str
* @return int
*/
public static function crc32($str)
{
return sprintf('%u', crc32($str));
}
/**
* Returns instance of DateTime class with date set based on timestamp
*
* @static
* @param int $timestamp
* @return DateTime
* @access public
*/
public static function dateFromTimestamp($timestamp)
{
if ( version_compare(PHP_VERSION, '5.3.0', '<') ) {
$date = new DateTime('@' . $timestamp);
$date->setTimezone(new DateTimeZone(date_default_timezone_get()));
}
else {
$date = new DateTime();
$date->setTimestamp($timestamp);
}
return $date;
}
/**
* Returns timestamp from given DateTime class instance
*
* @static
* @param DateTime $date_time
* @return int|string
* @access public
*/
public static function timestampFromDate(DateTime $date_time)
{
if ( version_compare(PHP_VERSION, '5.3.0', '<') ) {
return $date_time->format('U');
}
return $date_time->getTimestamp();
}
/**
* Generates random numeric id
*
* @static
* @return string
* @access public
*/
public static function generateId()
{
list($usec, $sec) = explode(' ', microtime());
$id_part_1 = substr($usec, 4, 4);
$id_part_2 = mt_rand(1, 9);
$id_part_3 = substr($sec, 6, 4);
$digit_one = substr($id_part_1, 0, 1);
if ( $digit_one == 0 ) {
$digit_one = mt_rand(1, 9);
$id_part_1 = preg_replace('/^0/', '', $id_part_1);
$id_part_1 = $digit_one . $id_part_1;
}
return $id_part_1 . $id_part_2 . $id_part_3;
}
/**
* Changes script resource limits. Omitted argument results in limit removal.
*
* @static
* @param string|int $memory_limit
* @param int $time_limit
* @return void
* @access public
*/
public static function setResourceLimit($memory_limit = null, $time_limit = null)
{
set_time_limit(isset($time_limit) ? $time_limit : 0);
ini_set('memory_limit', isset($memory_limit) ? $memory_limit : -1);
}
}
/**
* Returns array value if key exists
* Accepts infinite number of parameters
*
* @param Array $array searchable array
* @param int $key array key
* @return string
*/
function getArrayValue(&$array, $key)
{
$ret = isset($array[$key]) ? $array[$key] : false;
if ( $ret && func_num_args() > 2 ) {
for ($i = 2; $i < func_num_args(); $i++) {
$cur_key = func_get_arg($i);
$ret = getArrayValue($ret, $cur_key);
if ( $ret === false ) {
break;
}
}
}
return $ret;
}
if ( !function_exists('parse_ini_string') ) {
/**
* Equivalent for "parse_ini_string" function available since PHP 5.3.0
*
* @param string $ini
* @param bool $process_sections
* @param int $scanner_mode
* @return Array
*/
function parse_ini_string($ini, $process_sections = false, $scanner_mode = NULL)
{
# Generate a temporary file.
$tempname = tempnam('/tmp', 'ini');
$fp = fopen($tempname, 'w');
fwrite($fp, $ini);
$ini = parse_ini_file($tempname, !empty($process_sections));
fclose($fp);
@unlink($tempname);
return $ini;
}
}
if ( !function_exists('memory_get_usage') ) {
// PHP 4.x and compiled without --enable-memory-limit option
function memory_get_usage() { return -1; }
}
if ( !function_exists('imagecreatefrombmp') ) {
// just in case if GD will add this function in future
function imagecreatefrombmp($filename)
{
//Ouverture du fichier en mode binaire
if (! $f1 = fopen($filename,"rb")) return FALSE;
//1 : Chargement des ent�tes FICHIER
$FILE = unpack("vfile_type/Vfile_size/Vreserved/Vbitmap_offset", fread($f1,14));
if ($FILE['file_type'] != 19778) return FALSE;
//2 : Chargement des ent�tes BMP
$BMP = unpack('Vheader_size/Vwidth/Vheight/vplanes/vbits_per_pixel'.
'/Vcompression/Vsize_bitmap/Vhoriz_resolution'.
'/Vvert_resolution/Vcolors_used/Vcolors_important', fread($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;
//3 : Chargement des couleurs de la palette
$PALETTE = array();
if ($BMP['colors'] < 16777216)
{
$PALETTE = unpack('V'.$BMP['colors'], fread($f1,$BMP['colors']*4));
}
//4 : Cr�ation de l'image
$IMG = fread($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'];
}
//Fermeture du fichier
fclose($f1);
return $res;
}
}

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