Shoutbox

Heres a commented version of a 'hit logger'

code:

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<?php
// Define the text file to store data
   $HitFile = "logger.txt";
// Open the file for reading and writing
   $handle = fopen($HitFile, "r+");
// Lock the file for exclusive access (protects from data coruption)
   flock($handle, LOCK_EX);
// Get the contents of the file (the old hit count)
   $oldcount = fgets($handle);
// Increment 1 to the old count
   $newcount = $oldcount + 1;
// Set the file head to the begining (destroys the old data)
   rewind($handle);
// Write the new count to the file
   fwrite($handle, $newcount);
// Unlock the file
   flock($handle, LOCK_UN);
// Close the file
   fclose($handle);
// Display the new hit count
echo $newcount;
?>

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logger.txt should have 0 to begin with