Erreur parcours tableau php 4

$fileOpen=fopen($fileName,"r"); 
$FileContent=fread($fileOpen,filesize($fileName)); 
$line=explode("\r",$FileContent); 
fclose($fileOpen); 

$i=0; 
while($i<sizeof($line)){  
$dataPair=explode(",",$line[$i]); 
   if($dataPair[4]=="$Number"){ 
      $match=1; 
      break;      
      }else{ 
      $match=0; 
      } 
$i++; 
} 

$a,$b,$c,$d,$e<\r>$a,$b,$c,$d,$e<\r>....