<?
if (file_exists('test.txt'))
{

$chaine=fopen("test.txt","r+");

while ($ligne = fgets($chaine))

echo $ligne;

$ligne= str_replace(";" , "," , $ligne);

fclose($chaine);
}
else
{echo "raté";}

?>

<? fwrite($fichier,$texte);
// ou
fputs($fichier,$texte); ?>

<?
if (file_exists('test.txt'))
{

$chaine=fopen("test.txt","r+");

while ($ligne = fgets($chaine))

echo $ligne;

$ligne= str_replace(";" , "," , $ligne);

fputs($chaine,$ligne);
fclose($chaine);
}
else
{echo "raté";}

?>

fputs($chaine,$lignes) 

fputs("test.txt",$lignes);

<?
if (file_exists('test.txt'))
{

$chaine=fopen("test.txt","r+");
$test2=fopen("test2.txt,"w");

while ($ligne = fgets($chaine))

$up= str_replace(";" , "," , $ligne);

fputs($test2,$up);

fclose($test2);
fclose($chaine);
}
else
{echo "raté";}

?>

$ligne=nl2br($lignes) 

<? 
if (file_exists('test.txt')) 
{

$chaine=fopen("test.txt","r+"); 

$ligne= str_replace(";" , "," , $ligne);

fwrite($chaine, $ligne);

fclose($chaine); 
} 
else 
{echo "raté";} 

?>

<?php

if (file_exists("./test.txt")) {

	$line = file_get_contents("./test.txt");

	$str = fopen("./test.txt","w+"); 
	$line = str_replace(";", ",", $line); 

	fwrite($str, $line);
	fclose($str);
} 
else {
	echo "raté";
} 

?>