Curios About Zip File using PHP

Curios About Zip File using PHP

Dear friend

• Zip file function consists of bunch of functions .These function allows users in creation of compressed file, opening and reading of ZIP files with various other optins.
• In order to use the Zip file functions,you must install the  below library on your server .
  • The ZZIPlib library by Guido Draheim: Download the ZZIPlib library
  • The Zip PELC extension: Download the Zip PELC extension
•  Installation on Linux Systems
  • PHP 5+: For this,download the above library and the necessary extension needs to be downloaded at first.After the same,use the –with-zip=DIR configure option  which would then include Zip support.
• Installation on Windows Systems
  • PHP 5+: For this,down load the above library at first alongwith its extension.After this is completed, inside of php.ini  file ,the php_zip.dll must be enabled.
  • For enabling any PHP extension, the PHP extension_dir setting (in the php.ini file) must be set to the directory where the PHP extensions are located. Asuitable example would be  for  extension_dir value is c:phpext.
• Various ZIP file functions are as below.
  • zip_close(): Closes the specific ZIP file.
  • zip_entry_close(): Starts the closure of an entry in the specific  ZIP file.
  • zip_entry_compressedsize(): Returns compressed size of an entry in ZIP file.
  • zip_entry_compressionmethod():Returns compression method of an entry in ZIP file.
  • zip_entry_filesize(): Returns the actual file size of an entry in ZIP file.
  • zip_entry_name(): Returns the name of an entry in the ZIP file.
  • zip_entry_open(): Opens an entry in ZIP file for reading.
  • zip_entry_read(): Reads from an open entry in the ZIP file.
• Example

<?php
$zip = zip_open(“test1.zip”);
if ($zip)
{
while ($zip_entry = zip_read($zip))
{
echo “<p>”;
echo “Name: ” . zip_entry_name($zip_entry) . “<br />”;
if (zip_entry_open($zip, $zip_entry))
{
echo “File Contents:<br/>”;
$contents = zip_entry_read($zip_entry);
echo “$contents<br />”;
zip_entry_close($zip_entry);
}
echo “</p>”;
}
zip_close($zip);
}?>