if ($tmp = fopen($file, "w")) {

fwrite($tmp, $data);

fclose($tmp);

return true;

}

echo "<b>file_put_contents:</b> Cannot create file $file<br>";

return false;

function getVersion() {

return "2.6";

}

// Public

var $fileName;

var $compressedList; // You will problably use only this one!

var $centralDirList; // Central dir list... It's a kind of 'extra attributes' for a set of files

var $endOfCentral; // End of central dir, contains ZIP Comments

var $debug;

// Private

var $fh;

var $zipSignature = "\x50\x4b\x03\x04"; // local file header signature

var $dirSignature = "\x50\x4b\x01\x02"; // central dir header signature

var $dirSignatureE = "\x50\x4b\x05\x06"; // end of central dir signature

// Public

function dUnzip2($fileName) {

$this->fileName = $fileName;

$this->compressedList = $this->centralDirList = $this->endOfCentral = Array ();

}

function getList($stopOnFile = false) {

if (sizeof($this->compressedList)) {

$this->debugMsg(1, "Returning already loaded file list.");

return $this->compressedList;

}

// Open file, and set file handler

$fh = fopen($this->fileName, "r");

$this->fh = & $fh;

if (!$fh) {

$this->debugMsg(2, "Failed to load file.");

return false;

}

$this->debugMsg(1, "Loading list from 'End of Central Dir' index list...");

if (!$this->_loadFileListByEOF($fh, $stopOnFile)) {

$this->debugMsg(1, "Failed! Trying to load list looking for signatures...");

if (!$this->_loadFileListBySignatures($fh, $stopOnFile)) {

$this->debugMsg(1, "Failed! Could not find any valid header.");

$this->debugMsg(2, "ZIP File is corrupted or empty");

return false;

}

}

if ($this->debug) {

#------- Debug compressedList

$kkk = 0;

echo "<table border='0' style='font: 11px Verdana; border: 1px solid #000'>";

foreach ($this->compressedList as $fileName => $item) {

if (!$kkk && $kkk = 1) {

echo "<tr style='background: #ADA'>";

foreach ($item as $fieldName => $value)

echo "<td>$fieldName</td>";

echo '</tr>';

}

echo "<tr style='background: #CFC'>";

foreach ($item as $fieldName => $value) {

if ($fieldName == 'lastmod_datetime')

echo "<td title='$fieldName' nowrap='nowrap'>" . date("d/m/Y H:i:s", $value) . "</td>";

else

echo "<td title='$fieldName' nowrap='nowrap'>$value</td>";

}

echo "</tr>";

}

echo "</table>";

#------- Debug centralDirList

$kkk = 0;

if (sizeof($this->centralDirList)) {

echo "<table border='0' style='font: 11px Verdana; border: 1px solid #000'>";

foreach ($this->centralDirList as $fileName => $item) {

if (!$kkk && $kkk = 1) {

echo "<tr style='background: #AAD'>";

foreach ($item as $fieldName => $value)

echo "<td>$fieldName</td>";

echo '</tr>';

}

echo "<tr style='background: #CCF'>";

foreach ($item as $fieldName => $value) {

if ($fieldName == 'lastmod_datetime')

echo "<td title='$fieldName' nowrap='nowrap'>" . date("d/m/Y H:i:s", $value) . "</td>";

else

echo "<td title='$fieldName' nowrap='nowrap'>$value</td>";

}

echo "</tr>";

}

echo "</table>";

}

#------- Debug endOfCentral

$kkk = 0;

if (sizeof($this->endOfCentral)) {

echo "<table border='0' style='font: 11px Verdana' style='border: 1px solid #000'>";

echo "<tr style='background: #DAA'><td colspan='2'>dUnzip - End of file</td></tr>";

foreach ($this->endOfCentral as $field => $value) {

echo "<tr>";

echo "<td style='background: #FCC'>$field</td>";

echo "<td style='background: #FDD'>$value</td>";

echo "</tr>";

}

echo "</table>";

}

}

return $this->compressedList;

}

function getExtraInfo($compressedFileName) {

return isset ($this->centralDirList[$compressedFileName]) ? $this->centralDirList[$compressedFileName] : false;

}

function getZipInfo($detail = false) {

return $detail ? $this->endOfCentral[$detail] : $this->endOfCentral;

}

function unzip($compressedFileName, $targetFileName = false, $applyChmod = false) {

if (!sizeof($this->compressedList)) {

$this->debugMsg(1, "Trying to unzip before loading file list... Loading it!");

$this->getList(false, $compressedFileName);

}

$fdetails = & $this->compressedList[$compressedFileName];

if (!isset ($this->compressedList[$compressedFileName])) {

$this->debugMsg(2, "File '<b>$compressedFileName</b>' is not compressed in the zip.");

return false;

}

if (substr($compressedFileName, -1) == "/") {

$this->debugMsg(2, "Trying to unzip a folder name '<b>$compressedFileName</b>'.");

return false;

}

if (!$fdetails['uncompressed_size']) {

$this->debugMsg(1, "File '<b>$compressedFileName</b>' is empty.");

return $targetFileName ? file_put_contents($targetFileName, "") : "";

}

fseek($this->fh, $fdetails['contents-startOffset']);

$ret = $this->uncompress(fread($this->fh, $fdetails['compressed_size']), $fdetails['compression_method'], $fdetails['uncompressed_size'], $targetFileName);

if ($applyChmod && $targetFileName)

chmod($targetFileName, 0777);

return $ret;

}

function unzipAll($targetDir = false, $baseDir = "", $maintainStructure = true, $applyChmod = false) {

if ($targetDir === false)

$targetDir = dirname(__FILE__) . "/";

$lista = $this->getList();

if (sizeof($lista))

foreach ($lista as $fileName => $trash) {

$dirname = dirname($fileName);

$outDN = "$targetDir/$dirname";

if (substr($dirname, 0, strlen($baseDir)) != $baseDir)

continue;

if (!is_dir($outDN) && $maintainStructure) {

$str = "";

$folders = explode("/", $dirname);

foreach ($folders as $folder) {

$str = $str ? "$str/$folder" : $folder;

if (!is_dir("$targetDir/$str")) {

$this->debugMsg(1, "Creating folder: $targetDir/$str");

mkdir("$targetDir/$str");

if ($applyChmod)

chmod("$targetDir/$str", $applyChmod);

}

}

}

if (substr($fileName, -1, 1) == "/")

continue;

$maintainStructure ? $this->unzip($fileName, "$targetDir/$fileName", $applyChmod) : $this->unzip($fileName, "$targetDir/" . basename($fileName), $applyChmod);

}

}

function close() { // Free the file resource

if ($this->fh)

fclose($this->fh);

}

function __destroy() {

$this->close();

}

// Private (you should NOT call these methods):

function uncompress($content, $mode, $uncompressedSize, $targetFileName = false) {

switch ($mode) {

case 0 :

// Not compressed

return $targetFileName ? file_put_contents($targetFileName, $content) : $content;

case 1 :

$this->debugMsg(2, "Shrunk mode is not supported... yet?");

return false;

case 2 :

case 3 :

case 4 :

case 5 :

$this->debugMsg(2, "Compression factor " . ($mode -1) . " is not supported... yet?");

return false;

case 6 :

$this->debugMsg(2, "Implode is not supported... yet?");

return false;

case 7 :

$this->debugMsg(2, "Tokenizing compression algorithm is not supported... yet?");

return false;

case 8 :

// Deflate

return $targetFileName ? file_put_contents($targetFileName, gzinflate($content, $uncompressedSize)) : gzinflate($content, $uncompressedSize);

case 9 :

$this->debugMsg(2, "Enhanced Deflating is not supported... yet?");

return false;

case 10 :

$this->debugMsg(2, "PKWARE Date Compression Library Impoloding is not supported... yet?");

return false;

case 12 :

// Bzip2

return $targetFileName ? file_put_contents($targetFileName, bzdecompress($content)) : bzdecompress($content);

case 18 :

$this->debugMsg(2, "IBM TERSE is not supported... yet?");

return false;

default :

$this->debugMsg(2, "Unknown uncompress method: $mode");

return false;

}

}

function debugMsg($level, $string) {

if ($this->debug)

if ($level == 1)

echo "<b style='color: #777'>dUnzip2:</b> $string<br>";

if ($level == 2)

echo "<b style='color: #F00'>dUnzip2:</b> $string<br>";

}

function _loadFileListByEOF(& $fh, $stopOnFile = false) {

// Check if there's a valid Central Dir signature.

// Let's consider a file comment smaller than 1024 characters...

// Actually, it length can be 65536.. But we're not going to support it.

for ($x = 0; $x < 1024; $x++) {

fseek($fh, -22 - $x, SEEK_END);

$signature = fread($fh, 4);

if ($signature == $this->dirSignatureE) {

// If found EOF Central Dir

$eodir['disk_number_this'] = unpack("v", fread($fh, 2)); // number of this disk

$eodir['disk_number'] = unpack("v", fread($fh, 2)); // number of the disk with the start of the central directory

$eodir['total_entries_this'] = unpack("v", fread($fh, 2)); // total number of entries in the central dir on this disk

$eodir['total_entries'] = unpack("v", fread($fh, 2)); // total number of entries in

$eodir['size_of_cd'] = unpack("V", fread($fh, 4)); // size of the central directory

$eodir['offset_start_cd'] = unpack("V", fread($fh, 4)); // offset of start of central directory with respect to the starting disk number

$zipFileCommentLenght = unpack("v", fread($fh, 2)); // zipfile comment length

$eodir['zipfile_comment'] = $zipFileCommentLenght[1] ? fread($fh, $zipFileCommentLenght[1]) : ''; // zipfile comment

$this->endOfCentral = Array (

'disk_number_this' => $eodir['disk_number_this'][1],

'disk_number' => $eodir['disk_number'][1],

'total_entries_this' => $eodir['total_entries_this'][1],

'total_entries' => $eodir['total_entries'][1],

'size_of_cd' => $eodir['size_of_cd'][1],

'offset_start_cd' => $eodir['offset_start_cd'][1],

'zipfile_comment' => $eodir['zipfile_comment'],

);

// Then, load file list

fseek($fh, $this->endOfCentral['offset_start_cd']);

$signature = fread($fh, 4);

while ($signature == $this->dirSignature) {

$dir['version_madeby'] = unpack("v", fread($fh, 2)); // version made by

$dir['version_needed'] = unpack("v", fread($fh, 2)); // version needed to extract

$dir['general_bit_flag'] = unpack("v", fread($fh, 2)); // general purpose bit flag

$dir['compression_method'] = unpack("v", fread($fh, 2)); // compression method

$dir['lastmod_time'] = unpack("v", fread($fh, 2)); // last mod file time

$dir['lastmod_date'] = unpack("v", fread($fh, 2)); // last mod file date

$dir['crc-32'] = fread($fh, 4); // crc-32

$dir['compressed_size'] = unpack("V", fread($fh, 4)); // compressed size

$dir['uncompressed_size'] = unpack("V", fread($fh, 4)); // uncompressed size

$fileNameLength = unpack("v", fread($fh, 2)); // filename length

$extraFieldLength = unpack("v", fread($fh, 2)); // extra field length

$fileCommentLength = unpack("v", fread($fh, 2)); // file comment length

$dir['disk_number_start'] = unpack("v", fread($fh, 2)); // disk number start

$dir['internal_attributes'] = unpack("v", fread($fh, 2)); // internal file attributes-byte1

$dir['external_attributes1'] = unpack("v", fread($fh, 2)); // external file attributes-byte2

$dir['external_attributes2'] = unpack("v", fread($fh, 2)); // external file attributes

$dir['relative_offset'] = unpack("V", fread($fh, 4)); // relative offset of local header

$dir['file_name'] = fread($fh, $fileNameLength[1]); // filename

$dir['extra_field'] = $extraFieldLength[1] ? fread($fh, $extraFieldLength[1]) : ''; // extra field

$dir['file_comment'] = $fileCommentLength[1] ? fread($fh, $fileCommentLength[1]) : ''; // file comment

// Convert the date and time, from MS-DOS format to UNIX Timestamp

$BINlastmod_date = str_pad(decbin($dir['lastmod_date'][1]), 16, '0', STR_PAD_LEFT);

$BINlastmod_time = str_pad(decbin($dir['lastmod_time'][1]), 16, '0', STR_PAD_LEFT);

$lastmod_dateY = bindec(substr($BINlastmod_date, 0, 7)) + 1980;

$lastmod_dateM = bindec(substr($BINlastmod_date, 7, 4));

$lastmod_dateD = bindec(substr($BINlastmod_date, 11, 5));

$lastmod_timeH = bindec(substr($BINlastmod_time, 0, 5));

$lastmod_timeM = bindec(substr($BINlastmod_time, 5, 6));

$lastmod_timeS = bindec(substr($BINlastmod_time, 11, 5));

$this->centralDirList[$dir['file_name']] = Array (

'version_madeby' => $dir['version_madeby'][1],

'version_needed' => $dir['version_needed'][1],

'general_bit_flag' => str_pad(decbin($dir['general_bit_flag'][1]

), 8, '0', STR_PAD_LEFT), 'compression_method' => $dir['compression_method'][1], 'lastmod_datetime' => mktime($lastmod_timeH, $lastmod_timeM, $lastmod_timeS, $lastmod_dateM, $lastmod_dateD, $lastmod_dateY), 'crc-32' => str_pad(dechex(ord($dir['crc-32'][3])), 2, '0', STR_PAD_LEFT) .

str_pad(dechex(ord($dir['crc-32'][2])), 2, '0', STR_PAD_LEFT) .

str_pad(dechex(ord($dir['crc-32'][1])), 2, '0', STR_PAD_LEFT) .

str_pad(dechex(ord($dir['crc-32'][0])), 2, '0', STR_PAD_LEFT), 'compressed_size' => $dir['compressed_size'][1], 'uncompressed_size' => $dir['uncompressed_size'][1], 'disk_number_start' => $dir['disk_number_start'][1], 'internal_attributes' => $dir['internal_attributes'][1], 'external_attributes1' => $dir['external_attributes1'][1], 'external_attributes2' => $dir['external_attributes2'][1], 'relative_offset' => $dir['relative_offset'][1], 'file_name' => $dir['file_name'], 'extra_field' => $dir['extra_field'], 'file_comment' => $dir['file_comment'],);

$signature = fread($fh, 4);

}

// If loaded centralDirs, then try to identify the offsetPosition of the compressed data.

if ($this->centralDirList)

foreach ($this->centralDirList as $filename => $details) {

$i = $this->_getFileHeaderInformation($fh, $details['relative_offset']);

$this->compressedList[$filename]['file_name'] = $filename;

$this->compressedList[$filename]['compression_method'] = $details['compression_method'];

$this->compressedList[$filename]['version_needed'] = $details['version_needed'];

$this->compressedList[$filename]['lastmod_datetime'] = $details['lastmod_datetime'];

$this->compressedList[$filename]['crc-32'] = $details['crc-32'];

$this->compressedList[$filename]['compressed_size'] = $details['compressed_size'];

$this->compressedList[$filename]['uncompressed_size'] = $details['uncompressed_size'];

$this->compressedList[$filename]['lastmod_datetime'] = $details['lastmod_datetime'];

$this->compressedList[$filename]['extra_field'] = $i['extra_field'];

$this->compressedList[$filename]['contents-startOffset'] = $i['contents-startOffset'];

if (strtolower($stopOnFile) == strtolower($filename))

break;

}

return true;

}

}

return false;

}

function _loadFileListBySignatures(& $fh, $stopOnFile = false) {

fseek($fh, 0);

$return = false;

for (;;) {

$details = $this->_getFileHeaderInformation($fh);

if (!$details) {

$this->debugMsg(1, "Invalid signature. Trying to verify if is old style Data Descriptor...");

fseek($fh, 12 - 4, SEEK_CUR); // 12: Data descriptor - 4: Signature (that will be read again)

$details = $this->_getFileHeaderInformation($fh);

}

if (!$details) {

$this->debugMsg(1, "Still invalid signature. Probably reached the end of the file.");

break;

}

$filename = $details['file_name'];

$this->compressedList[$filename] = $details;

$return = true;

if (strtolower($stopOnFile) == strtolower($filename))

break;

}

return $return;

}

function _getFileHeaderInformation(& $fh, $startOffset = false) {

if ($startOffset !== false)

fseek($fh, $startOffset);

$signature = fread($fh, 4);

if ($signature == $this->zipSignature) {

# $this->debugMsg(1, "Zip Signature!");

// Get information about the zipped file

$file['version_needed'] = unpack("v", fread($fh, 2)); // version needed to extract

$file['general_bit_flag'] = unpack("v", fread($fh, 2)); // general purpose bit flag

$file['compression_method'] = unpack("v", fread($fh, 2)); // compression method

$file['lastmod_time'] = unpack("v", fread($fh, 2)); // last mod file time

$file['lastmod_date'] = unpack("v", fread($fh, 2)); // last mod file date

$file['crc-32'] = fread($fh, 4); // crc-32

$file['compressed_size'] = unpack("V", fread($fh, 4)); // compressed size

$file['uncompressed_size'] = unpack("V", fread($fh, 4)); // uncompressed size

$fileNameLength = unpack("v", fread($fh, 2)); // filename length

$extraFieldLength = unpack("v", fread($fh, 2)); // extra field length

$file['file_name'] = fread($fh, $fileNameLength[1]); // filename

$file['extra_field'] = $extraFieldLength[1] ? fread($fh, $extraFieldLength[1]) : ''; // extra field

$file['contents-startOffset'] = ftell($fh);

// Bypass the whole compressed contents, and look for the next file

fseek($fh, $file['compressed_size'][1], SEEK_CUR);

// Convert the date and time, from MS-DOS format to UNIX Timestamp

$BINlastmod_date = str_pad(decbin($file['lastmod_date'][1]), 16, '0', STR_PAD_LEFT);

$BINlastmod_time = str_pad(decbin($file['lastmod_time'][1]), 16, '0', STR_PAD_LEFT);

$lastmod_dateY = bindec(substr($BINlastmod_date, 0, 7)) + 1980;

$lastmod_dateM = bindec(substr($BINlastmod_date, 7, 4));

$lastmod_dateD = bindec(substr($BINlastmod_date, 11, 5));

$lastmod_timeH = bindec(substr($BINlastmod_time, 0, 5));

$lastmod_timeM = bindec(substr($BINlastmod_time, 5, 6));

$lastmod_timeS = bindec(substr($BINlastmod_time, 11, 5));

// Mount file table

$i = Array (

'file_name' => $file['file_name'],

'compression_method' => $file['compression_method'][1],

'version_needed' => $file['version_needed'][1],

'lastmod_datetime' => mktime($lastmod_timeH,

$lastmod_timeM,

$lastmod_timeS,

$lastmod_dateM,

$lastmod_dateD,

$lastmod_dateY

), 'crc-32' => str_pad(dechex(ord($file['crc-32'][3])), 2, '0', STR_PAD_LEFT) .

str_pad(dechex(ord($file['crc-32'][2])), 2, '0', STR_PAD_LEFT) .

str_pad(dechex(ord($file['crc-32'][1])), 2, '0', STR_PAD_LEFT) .

str_pad(dechex(ord($file['crc-32'][0])), 2, '0', STR_PAD_LEFT), 'compressed_size' => $file['compressed_size'][1], 'uncompressed_size' => $file['uncompressed_size'][1], 'extra_field' => $file['extra_field'], 'general_bit_flag' => str_pad(decbin($file['general_bit_flag'][1]), 8, '0', STR_PAD_LEFT), 'contents-startOffset' => $file['contents-startOffset']);

return $i;

}

return false;

}