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.

更新日志

版本 说明
7.0.0 The type of shmid has been changed from int to resource.

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.

参见

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