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File: adodb/session/adodb-compress-gzip.php

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File: adodb/session/adodb-compress-gzip.php
Role: Auxiliary script
Content type: text/plain
Description: ADOBPHP Download for more information
Class: PHP MySQL JSON Manager
Build and Execute SQL queries with results in JSON
Author: By
Last change:
Date: 8 years ago
Size: 1,505 bytes
 

Contents

Class file image Download
<?php


/*
V5.18 3 Sep 2012 (c) 2000-2012 John Lim (jlim#natsoft.com). All rights reserved.
         Contributed by Ross Smith (adodb@netebb.com).
  Released under both BSD license and Lesser GPL library license.
  Whenever there is any discrepancy between the two licenses,
  the BSD license will take precedence.
      Set tabs to 4 for best viewing.

*/

if (!function_exists('gzcompress')) {
   
trigger_error('gzip functions are not available', E_USER_ERROR);
    return
0;
}

/*
*/
class ADODB_Compress_Gzip {
   
/**
     */
   
var $_level = null;

   
/**
     */
   
var $_min_length = 1;

   
/**
     */
   
function getLevel() {
        return
$this->_level;
    }

   
/**
     */
   
function setLevel($level) {
       
assert('$level >= 0');
       
assert('$level <= 9');
       
$this->_level = (int) $level;
    }

   
/**
     */
   
function getMinLength() {
        return
$this->_min_length;
    }

   
/**
     */
   
function setMinLength($min_length) {
       
assert('$min_length >= 0');
       
$this->_min_length = (int) $min_length;
    }

   
/**
     */
   
function ADODB_Compress_Gzip($level = null, $min_length = null) {
        if (!
is_null($level)) {
           
$this->setLevel($level);
        }

        if (!
is_null($min_length)) {
           
$this->setMinLength($min_length);
        }
    }

   
/**
     */
   
function write($data, $key) {
        if (
strlen($data) < $this->_min_length) {
            return
$data;
        }

        if (!
is_null($this->_level)) {
            return
gzcompress($data, $this->_level);
        } else {
            return
gzcompress($data);
        }
    }

   
/**
     */
   
function read($data, $key) {
        return
$data ? gzuncompress($data) : $data;
    }

}

return
1;

?>