Runtime Configuration
 
The behaviour of these functions is affected by settings in php.ini.
 
  
   Semaphore Configuration Options
   
    
     
      | Name | Default | Changeable | Changelog | 
    
    
    
     | sysvshm.init_mem | 10000 | PHP_INI_SYSTEM |  | 
   
  
 
 For further details and definitions of the
PHP_INI_* modes, see the 
Where a configuration setting may be set.
 
 
Here's a short explanation of
the configuration directives.
 
 
  
   
    - 
     sysvshm.init_memint
- 
     
      A default size of the shared memory segment.