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<?php
namespace Safe;
use Safe\Exceptions\Bzip2Exception;
/**
* Closes the given bzip2 file pointer.
*
* @param resource $bz The file pointer. It must be valid and must point to a file
* successfully opened by bzopen.
* @throws Bzip2Exception
*
*/
function bzclose($bz): void
{
error_clear_last();
$result = \bzclose($bz);
if ($result === false) {
throw Bzip2Exception::createFromPhpError();
}
}
/**
* Forces a write of all buffered bzip2 data for the file pointer
* bz.
*
* @param resource $bz The file pointer. It must be valid and must point to a file
* successfully opened by bzopen.
* @throws Bzip2Exception
*
*/
function bzflush($bz): void
{
error_clear_last();
$result = \bzflush($bz);
if ($result === false) {
throw Bzip2Exception::createFromPhpError();
}
}
/**
* bzread reads from the given bzip2 file pointer.
*
* Reading stops when length (uncompressed) bytes have
* been read or EOF is reached, whichever comes first.
*
* @param resource $bz The file pointer. It must be valid and must point to a file
* successfully opened by bzopen.
* @param int $length If not specified, bzread will read 1024
* (uncompressed) bytes at a time. A maximum of 8192
* uncompressed bytes will be read at a time.
* @return string Returns the uncompressed data.
* @throws Bzip2Exception
*
*/
function bzread($bz, int $length = 1024): string
{
error_clear_last();
$result = \bzread($bz, $length);
if ($result === false) {
throw Bzip2Exception::createFromPhpError();
}
return $result;
}
/**
* bzwrite writes a string into the given bzip2 file
* stream.
*
* @param resource $bz The file pointer. It must be valid and must point to a file
* successfully opened by bzopen.
* @param string $data The written data.
* @param int $length If supplied, writing will stop after length
* (uncompressed) bytes have been written or the end of
* data is reached, whichever comes first.
* @return int Returns the number of bytes written.
* @throws Bzip2Exception
*
*/
function bzwrite($bz, string $data, int $length = null): int
{
error_clear_last();
if ($length !== null) {
$result = \bzwrite($bz, $data, $length);
} else {
$result = \bzwrite($bz, $data);
}
if ($result === false) {
throw Bzip2Exception::createFromPhpError();
}
return $result;
}
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