Tanımlı PHP Zip Dosya Sıkıştırma Sınıfı (Class)
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zib.lib.php
  
  <?php  
// vim: expandtab sw=4 ts=4 sts=4:  
/**  
* Zip file creation class.  
* Makes zip files.  
*  
* Last Modification and Extension By :  
*  
*  Hasin Hayder  
*  HomePage : www.hasinme.info  
*  Email : countdraculla@gmail.com  
*  IDE : PHP Designer 2005  
*  
*  
* Originally Based on :  
*  
*  http://www.zend.com/codex.php?id=535&single=1  
*  By Eric Mueller <eric@themepark.com>  
*  
*  http://www.zend.com/codex.php?id=470&single=1  
*  by Denis125 <webmaster@atlant.ru>  
*  
*  a patch from Peter Listiak <mlady@users.sourceforge.net> for last modified  
*  date and time of the compressed file  
*  
* Official ZIP file format: http://www.pkware.com/appnote.txt  
*  
* @access  public  
*/  
class zipfile  
{  
    /**  
     * Array to store compressed data  
     *  
     * @var  array    $datasec  
     */  
    var $datasec      = array();  
    /**  
     * Central directory  
     *  
     * @var  array    $ctrl_dir  
     */  
    var $ctrl_dir     = array();  
    /**  
     * End of central directory record  
     *  
     * @var  string   $eof_ctrl_dir  
     */  
    var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";  
    /**  
     * Last offset position  
     *  
     * @var  integer  $old_offset  
     */  
    var $old_offset   = 0;  
    /**  
     * Converts an Unix timestamp to a four byte DOS date and time format (date  
     * in high two bytes, time in low two bytes allowing magnitude comparison).  
     *  
     * @param  integer  the current Unix timestamp  
     *  
     * @return integer  the current date in a four byte DOS format  
     *  
     * @access private  
     */  
    function unix2DosTime($unixtime = 0) {  
        $timearray = ($unixtime == 0) ? getdate() : getdate($unixtime);  
        if ($timearray['year'] < 1980) {  
            $timearray['year']    = 1980;  
            $timearray['mon']     = 1;  
            $timearray['mday']    = 1;  
            $timearray['hours']   = 0;  
            $timearray['minutes'] = 0;  
            $timearray['seconds'] = 0;  
        } // end if  
        return (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) | ($timearray['mday'] << 16) |  
                ($timearray['hours'] << 11) | ($timearray['minutes'] << 5) | ($timearray['seconds'] >> 1);  
    } // end of the 'unix2DosTime()' method  
    /**  
     * Adds "file" to archive  
     *  
     * @param  string   file contents  
     * @param  string   name of the file in the archive (may contains the path)  
     * @param  integer  the current timestamp  
     *  
     * @access public  
     */  
    function addFile($data, $name, $time = 0)  
    {  
        $name     = str_replace('\\', '/', $name);  
        $dtime    = dechex($this->unix2DosTime($time));  
        $hexdtime = '\x' . $dtime[6] . $dtime[7]  
                  . '\x' . $dtime[4] . $dtime[5]  
                  . '\x' . $dtime[2] . $dtime[3]  
                  . '\x' . $dtime[0] . $dtime[1];  
        eval('$hexdtime = "' . $hexdtime . '";');  
        $fr   = "\x50\x4b\x03\x04";  
        $fr   .= "\x14\x00";            // ver needed to extract  
        $fr   .= "\x00\x00";            // gen purpose bit flag  
        $fr   .= "\x08\x00";            // compression method  
        $fr   .= $hexdtime;             // last mod time and date  
        // "local file header" segment  
        $unc_len = strlen($data);  
        $crc     = crc32($data);  
        $zdata   = gzcompress($data);  
        $zdata   = substr(substr($zdata, 0, strlen($zdata) - 4), 2); // fix crc bug  
        $c_len   = strlen($zdata);  
        $fr      .= pack('V', $crc);             // crc32  
        $fr      .= pack('V', $c_len);           // compressed filesize  
        $fr      .= pack('V', $unc_len);         // uncompressed filesize  
        $fr      .= pack('v', strlen($name));    // length of filename  
        $fr      .= pack('v', 0);                // extra field length  
        $fr      .= $name;  
        // "file data" segment  
        $fr .= $zdata;  
        // "data descriptor" segment (optional but necessary if archive is not  
        // served as file)  
        $fr .= pack('V', $crc);                 // crc32  
        $fr .= pack('V', $c_len);               // compressed filesize  
        $fr .= pack('V', $unc_len);             // uncompressed filesize  
        // add this entry to array  
        $this -> datasec[] = $fr;  
        // now add to central directory record  
        $cdrec = "\x50\x4b\x01\x02";  
        $cdrec .= "\x00\x00";                // version made by  
        $cdrec .= "\x14\x00";                // version needed to extract  
        $cdrec .= "\x00\x00";                // gen purpose bit flag  
        $cdrec .= "\x08\x00";                // compression method  
        $cdrec .= $hexdtime;                 // last mod time & date  
        $cdrec .= pack('V', $crc);           // crc32  
        $cdrec .= pack('V', $c_len);         // compressed filesize  
        $cdrec .= pack('V', $unc_len);       // uncompressed filesize  
        $cdrec .= pack('v', strlen($name) ); // length of filename  
        $cdrec .= pack('v', 0 );             // extra field length  
        $cdrec .= pack('v', 0 );             // file comment length  
        $cdrec .= pack('v', 0 );             // disk number start  
        $cdrec .= pack('v', 0 );             // internal file attributes  
        $cdrec .= pack('V', 32 );            // external file attributes - 'archive' bit set  
        $cdrec .= pack('V', $this -> old_offset ); // relative offset of local header  
        $this -> old_offset += strlen($fr);  
        $cdrec .= $name;  
        // optional extra field, file comment goes here  
        // save to central directory  
        $this -> ctrl_dir[] = $cdrec;  
    } // end of the 'addFile()' method  
    /**  
     * Dumps out file  
     *  
     * @return  string  the zipped file  
     *  
     * @access public  
     */  
    function file()  
    {  
        $data    = implode('', $this -> datasec);  
        $ctrldir = implode('', $this -> ctrl_dir);  
        return  
            $data .  
            $ctrldir .  
            $this -> eof_ctrl_dir .  
            pack('v', sizeof($this -> ctrl_dir)) .  // total # of entries "on this disk"  
            pack('v', sizeof($this -> ctrl_dir)) .  // total # of entries overall  
            pack('V', strlen($ctrldir)) .           // size of central dir  
            pack('V', strlen($data)) .              // offset to start of central dir  
            "\x00\x00";                             // .zip file comment length  
    } // end of the 'file()' method  
    /**  
     * A Wrapper of original addFile Function  
     *  
     * Created By Hasin Hayder at 29th Jan, 1:29 AM  
     *  
     * @param array An Array of files with relative/absolute path to be added in Zip File  
     *  
     * @access public  
     */  
    function addFiles($files )  
    {  
        foreach($files as $file)  
        {  
        if (is_file($file)) //directory check  
        {  
            $data = implode("",file($file));  
                    $this->addFile($data,$file);  
                }  
        }  
    }  
    /**  
     * A Wrapper of original file Function  
     *  
     * Created By Hasin Hayder at 29th Jan, 1:29 AM  
     *  
     * @param string Output file name  
     *  
     * @access public  
     */  
    function output($file)  
    {  
        $fp=fopen($file,"w");  
        fwrite($fp,$this->file());  
        fclose($fp);  
    }  
} // end of the 'zipfile' class  
?>
  
  Kullanımı
  
  include("zib.lib.php");  
$ziper = new zipfile();  
$ziper->addFiles(array("dosya1.gif","dosya2.png","dosya3.png"));   
$ziper->output("yedek.zip"); 
  
  Saygılar.