PHP analyse de fichiers texte

<?php
include('../resources/functions.php');
is_admin(1);									// Pour l'intégration future //
$alert=fopen('../resources/updating.env','r+');	          // Permet au site de se couper lors de la maj de la db //
fwrite($alert,'TRUE ');
connect_db();                   // On comprends... //
$table=array('natty_main_binaryi386','natty_multiverse_binaryi386','natty_restricted_binaryi386','natty_universe_binaryi386');
$champs=array("package","priority","section","installed_size","maintainer","original_maintainer","architecture","version","replaces","provides","depends","recommends","suggests","conflicts","filename","size","md5","sha1","sha256","description","bugs","build_essential","origin","supported","task","homepage",);
$champs_r=array("Package","Priority","Section","Installed-Size","Maintainer","Original-Maintainer","Architecture","Version","Replaces","Provides","Depends","Recommends","Suggests","Conflicts","Filename","Size","MD5sum","SHA1","SHA256","Description","Bugs","Build-Essential","Origin","Supported","Task","Homepage");
for($k=0;$k<count($table);$k++)
{
	$index=fopen('../resources/index/'.$table[$k],'r');

	req_sql('DELETE FROM '.$table[$k]);                // Ma fonction de requete MySQL qui gère aussi les erreurs //
	$nb_l=count(file('../resources/index/'.$table[$k]));
	echo('Nombre de lignes l : '.$nb_l.'<br />');

        $nb_c=count($champs);
	for($j=0;$j<$nb_c;$j++)
	{
		${$champs[$j]}=NULL;
	}

	for($i=0;$i<$nb_l;$i++)
	{
		$temp=fgets($index);
		$temp=rtrim($temp);
		$temp=str_replace('\'','-',$temp);
		$temp=str_replace('"','-',$temp);
		if(strlen(rtrim($temp))==0)
		{
			req_sql('INSERT INTO '.$table[$k].' VALUES("","'.$package.'","'.$priority.'","'.$section.'","'.$installed_size.'","'.$maintainer.'","'.$original_maintainer.'","'.$architecture.'","'.$version.'","'.$replaces.'","'.$provides.'","'.$depends.'","'.$recommends.'","'.$suggests.'","'.$conflicts.'","'.$filename.'","'.$size.'","'.$md5.'","'.$sha1.'","'.$sha256.'","'.$description.'","'.$bugs.'","'.$build_essential.'","'.$origin.'","'.$supported.'","'.$task.'","'.$homepage.'")');
			for($j=0;$j<$nb_c;$j++)
			{
				${$champs[$j]}=NULL;
			}
		}
		else
		{
			if(preg_match('/:/i',$temp))
			{
				$ligne=explode(':',$temp,2);
				for($j=0;$j<$nb_c;$j++)	
				{
					if($ligne[0]==$champs_r[$j])
					{
						${$champs[$j]}=$ligne[1];
						$bfr=$champs[$j];
					}
				}
			}
			else
			{
				${$bfr}=${$bfr}.' '.$temp;
			}
		}
	}

	fclose($index);
}
fseek($alert,0);
fwrite($alert,'FALSE');
fclose($alert);
mysql_close();
echo("<br />ok");
?>