shmop_write()
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
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.
更新日志
版本 | 说明 |
---|---|
7.0.0 | The type of$shmidhas been changed from int to resource. |
范例
Writing to shared memory block
<?php $shm_bytes_written = shmop_write($shm_id, $my_string, 0); ?>
This example will write data inside$my_stringinto shared memory block,$shm_bytes_writtenwill contain the number of bytes written.
参见
shmop_read()
Read data from shared memory block