Php/docs/function.opcache-compile-file
From Get docs
opcache_compile_file
(PHP 5 >= 5.5.5, PHP 7, PECL ZendOpcache > 7.0.2)
opcache_compile_file — Compiles and caches a PHP script without executing it
Description
opcache_compile_file
( string $filename
) : bool
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.
Parameters
filename- The path to the PHP script to be compiled.
Return Values
Returns TRUE if filename was compiled successfully
or FALSE on failure.
Errors/Exceptions
If filename cannot be loaded or compiled, an error of
level E_WARNING is generated. You may use
@ to suppress this
warning.