Помогите со счетчиком

<?php
$dat_file="counter.dat";
$log_file="counter.log";
$f=fopen($dat_file,"r");
$count=fgets($f,100);
fclose($f);
$count=ereg_replace(" ","",$count);
$count++;
$f=fopen($dat_file,"w");
fputs($f,"$count ");
fclose($f);
$im = ImageCreateFromPNG('counter.png');
$black = ImagecolorAllocate($im,0,0,0); 
Imagestring($im,1,5,20,$count,$black);
Header("Content-type: image/png");
ImagePng($im);
$f=fopen($log_file,"a+");
$ip=getenv("REMOTE_ADDR");
fputs($f,"$ip ");
fclose($f);
?>