<?php
 $server = "localhost"; // Serveur MySQL
$db_user = "root"; // Utilisateur MySQL
$db_pass = "ue23hasok6se"; // Pass de la base
$base = "hakaekold"; // nome de la base MySQL
mysql_pconnect("$server","$db_user","$db_pass");
mysql_select_db("$base");
$req = mysql_query("select * from db_articles") or die ('ERREUR :'.$req.' '.mysql_error());
?>

removing the ../up_new/ from fichier



<?php
$num_rows = mysql_num_rows($req);
$queries = array();
echo "$num_rows Rows\n";
while($r=mysql_fetch_array($req))
    {
	$id = $r["id"];
	$orig = $r["photo_big"];

	$str2 = substr($orig, 21);


	echo"<pre>";
	print $str2;
	echo"</pre>";
	$queries[] = "UPDATE db_articles SET photo_big='$str2' WHERE id='$id'";
//$req2 = mysql_query("UPDATE db_articles SET photo_big='$str2' WHERE id='$id' ") or die ('ERREUR :'.$req2.' '.mysql_error());



	}
	echo"<div style='color:#FFF; position:absolute; top:0; right:0; background:green; width:50px; padding:1em;'>fini</div>";

?>