« PHP File: Reading File at Particular Lines

PHP File: Reading File at Particular Byte Ranges

PHP File Tips - Part 3: We can read file at particular byte ranges. With this tips, you can use for seeking particular byte ranges. For this job, we combine fopen(), fseek(), fgetc(), and ftell().

<?
$file  = "test.txt";
$start = 2;
$finish = 20;

$f = fopen($file, "rb");

fseek($f, $start, SEEK_SET);

while(!(ftell($f) > $finish)){
  $data .= fgetc($f);
}
fclose($f);

echo $data;
// result:
// st line 1 test lin
?>