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<?php
namespace Safe;
use Safe\Exceptions\ShmopException;
/**
* shmop_delete is used to delete a shared memory block.
*
* @param resource $shmop The shared memory block resource created by
* shmop_open
* @throws ShmopException
*
*/
function shmop_delete($shmop): void
{
error_clear_last();
$result = \shmop_delete($shmop);
if ($result === false) {
throw ShmopException::createFromPhpError();
}
}
/**
* shmop_read will read a string from shared memory block.
*
* @param resource $shmop The shared memory block identifier created by
* shmop_open
* @param int $offset Offset from which to start reading
* @param int $size The number of bytes to read.
* 0 reads shmop_size($shmid) - $start bytes.
* @return string Returns the data.
* @throws ShmopException
*
*/
function shmop_read($shmop, int $offset, int $size): string
{
error_clear_last();
$result = \shmop_read($shmop, $offset, $size);
if ($result === false) {
throw ShmopException::createFromPhpError();
}
return $result;
}
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