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Bug #22636 the function mysql_query makes errors in PHP variables
Submitted: 2003-03-11 10:21 UTC Modified: 2003-03-12 02:50 UTC
From: real_mctl at yahoo dot fr Assigned:
Status: Not a bug Package: MySQL related
PHP Version: 4.3.1 OS: Linux Red Hat 7.2
Private report: No CVE-ID: None
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From: real_mctl at yahoo dot fr
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 [2003-03-11 10:21 UTC] real_mctl at yahoo dot fr 
It's simple, my entreprise updated the version of PHP, from 4.1.2 to 4.3.1.
The problem is that when the function mysql_query is executing some query, this function overwrite all data on my PHP script even the query itself !

An example (the query is indeed correct) :

$query = "select * from table" ;
$result = @mysql_query($query,$idCnx) ;
The execution of the query crashes, return 1 (don't return a ressource id) and owerwrite the content of $query to an empty value !


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 [2003-03-11 11:19 UTC] sniper@php.net 
huh? What if you remove that @ from the mysql_query() call?
 [2003-03-11 11:20 UTC] sniper@php.net 
And add a _FULL_ but short example script here, not just 2 lines from one..
 [2003-03-11 14:40 UTC] real_mctl at yahoo dot fr 
no need to copy the entire code (huge app).
the code before and after mysql_query is correct.
 [2003-03-11 20:39 UTC] sniper@php.net 
Can't reproduce. You're doing something wrong obviously.
 [2003-03-12 02:49 UTC] real_mctl at yahoo dot fr 
<?
	function fSelectionnerNiveauSuivi(&$tabNiveauSuivi)
	{
		$succes=false;
		if ( ($idLienCnx=fConnecterBase(CONFIG_SUJET)) != false) // fConnecterBase() works properly, parses a constant who contains identifiers for the connection to the database
		{
			if (($resultat = fSelectNiveauSuivi($idLienCnx))!= false) 
			{
				$succes=true;
				while ($ligne=mysql_fetch_object($resultat))
				{
					$tabNiveauSuivi['idNiveauSuivi'][]=$ligne->idNiveauSuivi;
					$tabNiveauSuivi['nom'][]=$ligne->nom;
								
				}
				$succes = fLiberer($resultat,$succes); // fLiberer() free the memory (works properly)
			}
			$succes=fDeconnecterBase($idLienCnx,$succes); // fDeconnecterBase() close the connection with the base
		}
		return $succes ;
	}

	function fSelectNiveauSuivi($idLienCnx)
	{
		$requete="SELECT * FROM NiveauSuivi ORDER BY nom ";
		$resultat=fEmettreRequete($requete,$idLienCnx) ;
		return $resultat ;
	}

	function fEmettreRequete($requete,$idLienCnx) 
	{
		// Emission de la requ?te
		$resultat = @mysql_query($requete,$idLienCnx);
		
		if ($resultat==false) 
		{
			// Requ?te en erreur
			fEnregistrerErreur(mysql_errno(), mysql_error() . " Requete:" . $requete) ; // fEnregistrerErreur() mails the webmaster that an error occured when quering the database
		}
		
		// Retour
		return $resultat ;
	}

	$succes = fSelectionnerNiveauSuivi(&$tabNiveauSuivi) ;
?>

OK !
The script works perfect with PHP 4.1.2 but with 4.3.1, it does not work
One other detail : the functions listed above are in different include files and the include instruction is always called when necessary.
After all, if I reload the page with the script, i have no problem

Is this bogus again ??

Thanks
 [2003-03-12 02:50 UTC] real_mctl at yahoo dot fr 
a
 
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