realpath_cache_size Get realpath cache size &reftitle.description; intrealpath_cache_size Get the amount of memory used by the realpath cache. &reftitle.returnvalues; Returns how much memory realpath cache is using. &reftitle.examples; <function>realpath_cache_size</function> example ]]> &example.outputs.similar; &reftitle.seealso; realpath_cache_get The realpath_cache_size configuration option