Problème de variable !

<?php

			$nb = 0;

  
		
			
			
     
			// Tant que le nombre n'est pas égale à 1 On continue la boucle !
			while($nb != 1440){
			
			$file=fopen("http://XXXXX.XX/page=".$nb,"r");
					$contenu = "";  
					$url ="http://XXXXX.XX/page=".$nb;
					$html = file_get_contents($url);
					preg_match('`<h2 class="nom">(.*)</h2>`sU', $html, $matches);
			
					echo  strip_tags($matches[0]);
					echo "\n";
					preg_match('`<span class="tel">(.*)</span>`sU', $html, $matches1);
					echo  strip_tags($matches1[0]);
					echo "\n";
		
					preg_match('`<span class="adresse1">(.*)</span>`sU', $html, $matches2);
					echo  strip_tags($matches2[0]);
					echo "\n";
					preg_match('`<span class="adresse2">(.*)</span>`sU', $html, $matches3);
					echo  strip_tags($matches3[0]);
					echo "\n";
					preg_match('`<span class="adresse3">(.*)</span>`sU', $html, $matches4);
					echo  strip_tags($matches4[0]);
								
					echo "\n";
					echo "-------------------";
					echo " \n";
			
			
			$db = mysql_connect($sql_host,$sql_user,$sql_pass); 
					mysql_select_db($sql_bdd,$db);
					 mysql_query("INSERT INTO table VALUES('', '" . $result . "', '" . $result1 . "', '" . $result2 . "', '" . $result3 . "', '" . $result4 . "')") or die(mysql_error());
			
		
			$nb += 18; // Ajout de +18 (page)
		
			
			
	
			sleep(5); // Attente de 5 second
			
			
			
		
}

?>