bzread
(PHP 4 >= 4.0.4, PHP 5)
bzread — Binary safe bzip2 file read
说明
string bzread ( resource $bz [, int $length = 1024 ] )bzread() reads from the given bzip2 file pointer.
Reading stops when length (uncompressed) bytes have been read or EOF is reached, whichever comes first.
参数
- bz
-
The file pointer. It must be valid and must point to a file successfully opened by bzopen().
- length
-
If not specified, bzread() will read 1024 (uncompressed) bytes at a time. A maximum of 8192 uncompressed bytes will be read at a time.
返回值
Returns the uncompressed data, or FALSE on error.
范例
Example #1 bzread() example
<?php
$file = "/tmp/foo.bz2";
$bz = bzopen($file, "r") or die("Couldn't open $file");
$decompressed_file = '';
while (!feof($bz)) {
$decompressed_file .= bzread($bz, 4096);
}
bzclose($bz);
echo "The contents of $file are: <br />
";
echo $decompressed_file;
?>
参见
