opcache_is_script_cached
(PHP 5 >= 5.5.11, PHP 7, PHP 8, PECL ZendOpcache >= 7.0.4)
opcache_is_script_cached — Tells whether a script is cached in OPCache
說明
   opcache_is_script_cached(string 
  $filename): boolThis function checks if a PHP script has been cached in OPCache. This can be used to more easily detect the "warming" of the cache for a particular script. This function only checks in-memory cache, not file cache.
參數
- 
filename
- 
     The path to the PHP script to be checked. 
返回值
   Returns true if filename is cached in OPCache,
   false otherwise.