opcache_compile_file Compiles and caches a PHP script without executing it &reftitle.description; booleanopcache_compile_file stringfile 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. &reftitle.parameters; file The path to the PHP script to be compiled. &reftitle.returnvalues; Returns &true; if file was compiled successfully &return.falseforfailure;. &reftitle.errors; If file cannot be loaded or compiled, an error of level E_WARNING is generated. You may use @ to suppress this warning. &reftitle.seealso; opcache_invalidate