(PHP 5 >= 5.5.5, PHP 7, PECL ZendOpcache > 7.0.2)
opcache_compile_file — Compiles and caches a PHP script without executing it
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.
filename
The path to the PHP script to be compiled.
Returns true if filename was compiled successfully or false on failure.
If filename cannot be loaded or compiled, an error of level E_WARNING is generated. You may use @ to suppress this warning.
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https://www.php.net/manual/en/function.opcache-compile-file.php