(PHP 5 >= 5.5.0, PECL ZendOpcache >= 7.0.0)
opcache_invalidate — Invalidates a cached script
$script
   [, boolean $force = FALSE
  ] )
   This function invalidates a particular script from the opcode cache. If
   force is unset or FALSE, the script will only be
   invalidated if the modification time of the script is newer than the cached
   opcodes.
  
scriptThe path to the script being invalidated.
force
      If set to TRUE, the script will be invalidated regardless of whether
      invalidation is necessary.
     
   Returns TRUE if the opcode cache for script was
   invalidated or if there was nothing to invalidate, or FALSE if the opcode
   cache is disabled.