(PHP 5 >= 5.5.5, PHP 7, PECL ZendOpcache > 7.0.2)
opcache_compile_file — Compiles and caches a PHP script without executing it
$file
   )This function compiles a PHP script and adds it to the opcode cache without executing it. This can be used to prime the cache after a Web server restart by pre-caching files that will be included in later requests.
fileThe path to the PHP script to be compiled.
   Returns TRUE if file was compiled successfully
    или FALSE в случае возникновения ошибки.
  
   If file cannot be loaded or compiled, an error of
   level E_WARNING is generated. You may use
   @ to suppress this
   warning.