XCIII. ������� Shared Memory

<?php
   
// ������� 100-������� ���� shared memory � ��������� id if 0xff3
$shm_id = shmop_open(0xff3, "c", 0644, 100);
if(!$shm_id) {
	echo "Couldn't create shared memory segment\n";
}

// �������� ������ ����� shared memory
$shm_size = shmop_size($shm_id);
echo "SHM Block Size: ".$shm_size. " has been created.\n";

// ������� �������� ������ � shared memory
$shm_bytes_written = shmop_write($shm_id, "my ���� shared memory", 0);
if($shm_bytes_written != strlen("my ���� shared memory")) {
	echo "Couldn't write the entire length of data\n";
}

// ������ ��������� ������
$my_string = shmop_read($shm_id, 0, $shm_size);
if(!$my_string) {
	echo "Couldn't read from ���� shared memory\n";
}
echo "The data inside shared memory was: ".$my_string."\n";

// � ������ ������ ���� � ������� ������� shared memory
if(!shmop_delete($shm_id)) {
	echo "Couldn't mark ���� shared memory for deletion.";
}
shmop_close($shm_id);
   
?>