php共享内存段示例分享_PHP教程

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

# 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

写数据

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

读数据

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

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