COMPTEUR DE VISITE PAR IP

<?php 

function get_ip() 
{ 
if($_SERVER) 
{ 
if($_SERVER[ZHTTP_X_FORWARDED_FORZ]) 
$ip = $_SERVER[ZHTTP_X_FORWARDED_FORZ]; 
elseif($_SERVER[ZHTTP_CLIENT_IPZ]) 
$ip = $_SERVER[ZHTTP_CLIENT_IPZ]; 
else 
$ip = $_SERVER[ZREMOTE_ADDRZ]; 
} 
else 
{ 
if(getenv(ZHTTP_X_FORWARDED_FORZ)) 
$ip = getenv(ZHTTP_X_FORWARDED_FORZ); 
elseif(getenv(ZHTTP_CLIENT_IPZ)) 
$ip = getenv(ZHTTP_CLIENT_IPZ); 
else 
$ip = getenv(ZREMOTE_ADDRZ); 
} 

return $ip; 
} 

$fichier = fopen("compteurip.cip","r"); 
$content = fread($fichier, filesize (  "compteurip.cip")); 
fclose($fichier); 

$fichier2 = fopen("compteurip.cip","w"); 
if($content == ZZ){ 
$nbrvisits = 0; 
fwrite($fichier2,get_ip()); 
fclose($fichier2); 
}else{ 
$tab = explode("\n",$content); 
$nbrvisits = sizeof($tab); 
if(strchr($content,get_ip()) == false){ 
fwrite($fichier2,$content."\n".get_ip()); 
fclose($fichier2); 
}else{ 
fwrite($fichier2,$content); 
fclose($fichier2); 
} 
} 
echo $nbrvisits." visiteurs!"; 
?>