How to use PHP temporary file ?

$temp = tmpfile();
fwrite($temp,'Line #1'.chr(13).chr(10));
fwrite($temp,'Line #2'.chr(13).chr(10));
fwrite($temp,'Line #3'.chr(13).chr(10));
fseek($temp,0); //move file pointer

// char(13) = \r
// char(10) = \n

while($row = fgets($temp,1024)){
 echo $row ."
";
}

fclose($temp); // remove temporary fileand no space!

Output ::
Line #1
Line #2
Line #3

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