Simple Word Frequency Counter

What is Simple Word Frequency?The php code.
The following script can help you count the number of<?php
time a word or phrase has occured inside a text/*
document at a certain time.| Simple word frequency
In this example the script will be used to track the Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â             ©
number of downloads of a filename. it is necessary to2010  |
have ".log" file in order to get the number of hits that a| This script may be used and hosted free of charge
filename receives. The download log used here isby anyone                    |
DOWNLOAD.LOG and the filename we want to track| for personal purpose as long as this copyright notice
is FILENAME.PHPremains                    |
What is a ".log" file?|
A log file used to store data from activities done on a Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â  |
server. A server log is a log file (or several files) Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â   
automatically created and maintained by a server of      |
activity performed by it. The ".log" file we use for this*/
example should contain time and date and$download = "download.log";
FILENAME.PHP so that whenever a user downloads$fh = fopen($download, 'r');
the file the DOWNLOAD.LOG will automatically store$content = fread($fh, filesize($download));fclose($fh);
this data. The ip adress of the user can be stored to$filename = "filename.php";
but it is not advised due to security reasons. However$str = str_replace("$filename", "", "$content",
in case you do want to use this feature don' t worry$count);echo "$filename has been downloaded $count
about other people browsing the log file because it cantimes.";
only be accesed by the site administrator.?