shmop_write
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
shmop_write — Write data into shared memory block
说明
shmop_write (
resource
$shmid
,
string $data
,
int $offset
) :
int
shmop_write() will write a string into shared memory block.
参数
-
shmid
-
The shared memory block identifier created by shmop_open()
-
data
-
A string to write into shared memory block
-
offset
-
Specifies where to start writing data inside the shared memory segment.
返回值
The size of the written data
, or FALSE
on failure.
范例
Example #1 Writing to shared memory block
<?php
$shm_bytes_written = shmop_write($shm_id, $my_string, 0);
?>
This example will write data inside $my_string into shared memory block, $shm_bytes_written will contain the number of bytes written.