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<?php
/*
* Increment an access counter.
* David Aspinall, June 1999.
*
* $Id$
*
*/
$counterFile = "counter.txt";
$counterStart = "counterstart.txt";
$maxlen = 10;
// NB: probably have trouble with permissions
// if file doesn't exist already, so start with
// empty files made with touch.
// Here's how to cause it to be initialized:
//
// rm -f counter.txt counterstart.txt
// touch counter.txt counterstart.txt
// chmod o+w counter.txt counterstart.txt
//
if (is_readable($counterFile) && is_writeable($counterFile)) {
$fp = fopen($counterFile,"r+");
if (filesize($counterFile)<1) {
// Start counter, write a timestamp.
$num = 1;
if (is_readable($counterStart) && is_writeable($counterStart)) {
$fps = fopen($counterStart,"w");
fputs($fps,time());
fclose($fps);
print "<!-- Hit counter initialized. -->";
} else {
print "<!-- Hit counter initialized, but timestamp could not be set -->";
};
} else {
$num = fgets($fp,$maxlen);
$num += 1;
print "<!-- Hit counter: $num -->";
};
rewind($fp);
fputs($fp,$num);
fclose($fp);
} else {
print "<!-- Hit counter file $counterFile cannot be accessed. -->";
};
?>
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