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<opcache_is_script_cachedopcache_jit_blacklist>
^OPcache FunctionsLast updated: Mon, 26 Oct 2026

opcache_is_script_cached_in_file_cache

(PHP 8 >= 8.5.0)

opcache_is_script_cached_in_file_cache — Tells whether a script is cached in OPCache file cache

Description

function opcache_is_script_cached_in_file_cache(string $filename): bool

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. This function only checks file cache, not in-memory cache. In order to check in-memory cache, use opcache_is_script_cached().

Parameters

filename

The path to the PHP script to be checked.

Return Values

Returns true if filename is cached in OPCache, false otherwise.

See Also


<opcache_is_script_cachedopcache_jit_blacklist>
^OPcache FunctionsLast updated: Mon, 26 Oct 2026