php共享内存段示例分享

摘要：php共享内存段示例分享

需要安装扩展shmop 找到php安装源文件目录

# cd /usr/local/php-5.4.0/ext/shmop
# /usr/local/php/bin/phpize
# ./configure --with-php-config=/usr/local/php/bin/php-config
#  make && make install

编译安装成功 [img]http://files.jb51.net/file_images/article/201401/20140120091950.jpg?20140209236[/img]

# cd /usr/local/php/lib/php/extensions/no-debug-non-zts-20100525/
多出一个 shmop.so
在php.ini增加shmop.so
extension=shmop.so
; Module Settings ;
phpinfo()输出

[img]http://files.jb51.net/file_images/article/201401/20140120092047.jpg?201402092430[/img]

写数据

<?php
$shmid = shmop_open(864, 'c', 0755, 1024);
shmop_write($shmid, "Hello World!", 0);
phpinfo();
?>

读数据

<?php
$shmid = shmop_open(864, 'c', 0755, 1024);
shmop_write($shmid, "Hello World!", 0);
echo shmop_read($shmid, 0, 11);
?>