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