Php shared memory segment example sharing _ php instance

Shared Memory exists in asp.net and java. In addition to using Memcached and other alternatives, php also supports shared memory. To implement this function using shmop, install and extend shmop.
Find the php installation source file directory

The Code is as follows:

# 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

Compiled and installed

The Code is as follows:

# Cd/usr/local/php/lib/php/extend/no-debug-non-zts-20100525/
One more shmop. so
Add shmop. so in php. ini
Extension = shmop. so
; Module Settings;
Phpinfo () Output

Write Data

The Code is as follows:

$ Shmid = shmop_open (864, 'C', 0755,102 4 );
Shmop_write ($ shmid, "Hello World! ", 0 );
Phpinfo ();
?>

Read data

The Code is as follows:

$ Shmid = shmop_open (864, 'C', 0755,102 4 );
Shmop_write ($ shmid, "Hello World! ", 0 );
Echo shmop_read ($ shmid, 0, 11 );
?>