PHP5中文手册·Read data from shared memory block -- 追寻梦想＞编程乐园＞PHP 编程

string shmop_read ( int $shmid , int $start , int $count )

shmop_read() will read a string from shared memory block.

Returns the data or FALSE on failure.

Example#1 Reading shared memory block


<?php
$shm_data = shmop_read($shm_id, 0, 50);
?>

This example will read 50 bytes from shared memory block and place the data inside $shm_data.


	PHP5中文手册 shmop_open shmop_size shmop PHP Manual shmop_read (PHP 4 >= 4.0.4, PHP 5) shmop_read — Read data from shared memory block 说明 string shmop_read ( int `$shmid` , int `$start` , int `$count` ) shmop_read() will read a string from shared memory block. 参数 `shmid` The shared memory block identifier created by shmop_open() `start` Offset from which to start reading `count` The number of bytes to read 返回值 Returns the data or `FALSE` on failure. 范例 Example#1 Reading shared memory block `<?php $shm_data = shmop_read($shm_id, 0, 50); ?>` This example will read 50 bytes from shared memory block and place the data inside $shm_data. 参见 shmop_write() shmop_open shmop_size shmop PHP Manual