<?php
class giCounter
{
var $page;
var $file = "counter.dat";
define('FILE_APPEND', 1);
/**
* Just sets the page
*
* @param string $page the page name
*/
function set_page($page)
{
$this->page = trim($page);
}
/**
* And this one sets the file name
*
* @param string $file the counter file
*/
function set_file($file)
{
$this->file = trim($file);
}
/**
* write_file() is a file_put_contents(9 clone for PHP versions < 5.
* It is identical to calling fopen(), fwrite() and fclose() successively.
*
* @param string $filename the file name where to write the data
* @param mixed $data the data to write. Can be either a string, an array or a stream resource.
* @param int $flag flags can take FILE_USE_INCLUDE_PATH, FILE_APPEND and/or LOCK_EX (acquire an exclusive lock), however the FILE_USE_INCLUDE_PATH option should be used with caution.
* @return int returns the amount of bytes that were written to the file.
*/
function write_file($filename, $data, $flag = false)
{
$mode = ($flag == FILE_APPEND || strtoupper($flag) == 'FILE_APPEND') ? 'a' : 'w';
$f = @fopen($filename, $mode);
if ($f === false) return 0;
else {
if (is_array($data)) $data = implode($data);
$bytes_written = fwrite($f, $data);
fclose($f);
return $bytes_written;
}
}
/**
* Actually makes the work. Passing the reset mode (0) or the counter mode (1)
* you set what the function has to do.
*
* @param int $MODE Use 0 to reset, 1 to get the counter
* @return int the counter
*/
function process($MODE)
{
if (!file_exists($this->file))
fopen($this->file, "w");
$file = unserialize(file_get_contents($this->file));
$counter = $file[$this->page];
if ($MODE)
$counter ++;
else
$counter = 0;
$file[$this->page] = $counter;
$this->write_file($this->file, serialize($file));
return $counter;
}
/**
* Ask the process() function for the counter. Counter mode = 1
*
* @see process()
* @return int the counter
*/
function get_counter()
{
return $this->process(1);
}
/**
* Resets the counter by passing 0 to the process() function.
*
* @see process()
* @return int the counter
*/
function reset()
{
return $this->process(0);
}
}
?>
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