opcache_invalidate
opcache_reset
OPcache Functions
PHP Manual

# opcache_is_script_cached

(PHP 5 >= 5.6.0, PECL ZendOpcache >= 7.0.4)

opcache_is_script_cached — Tells whether a script is cached in OPCache

### Description

boolean opcache_is_script_cached ( string `$file` )

This 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.

### Parameters

`file`

  The path to the PHP script to be checked.

### Return Values

Returns `TRUE` if `file` is cached in OPCache, `FALSE` otherwise.

### See Also

- opcache_compile_file() - Compiles and caches a PHP script without executing it

opcache_invalidate
opcache_reset
OPcache Functions
PHP Manual