Php/docs/function.shmop-write
来自菜鸟教程
shmop_write
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
shmop_write — Write data into shared memory block
说明
shmop_write
( Shmop $shmop
, string $data
, int $offset
) : int
shmop_write() will write a string into shared memory block.
参数
shmop- The shared memory block identifier created by shmop_open()
data- A string to write into shared memory block
offset- Specifies where to start writing data inside the shared memory segment.
返回值
The size of the written data.
更新日志
| 版本 | 说明 |
|---|---|
| 8.0.0 | Prior to PHP 8.0.0, false was returned on failure.
|
| 8.0.0 | shmop expects a Shmop
instance now; previously, a resource was expected. |
范例
Example #1 Writing to shared memory block
<?php$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.
