src/includes/traits/CacheMembers.php
protected function cacheClear()
    {
        if (!empty($this->x___cache['x___refs'])) { // Nullify underliers.
            foreach (array_keys($this->x___cache['x___refs']) as $_primary_key) {
                foreach (array_keys($this->x___cache['x___refs'][$_primary_key]) as $_ref_key) {
                    foreach (array_keys($this->x___cache['x___refs'][$_primary_key][$_ref_key]) as $_key) {
                        $this->x___cache['x___refs'][$_primary_key][$_ref_key][$_key] = null;
                    } // unset($_key); // Housekeeping.
                } // unset($_ref_key); // Housekeeping.
            } // unset($_primary_key); // Housekeeping.
        }
        $this->x___cache = []; // Clean slate.
    }
protected function cacheClear()
    {
        if (!empty($this->x___cache['x___refs'])) { // Nullify underliers.
            foreach (array_keys($this->x___cache['x___refs']) as $_primary_key) {
                foreach (array_keys($this->x___cache['x___refs'][$_primary_key]) as $_ref_key) {
                    foreach (array_keys($this->x___cache['x___refs'][$_primary_key][$_ref_key]) as $_key) {
                        $this->x___cache['x___refs'][$_primary_key][$_ref_key][$_key] = null;
                    } // unset($_key); // Housekeeping.
                } // unset($_ref_key); // Housekeeping.
            } // unset($_primary_key); // Housekeeping.
        }
        $this->x___cache = []; // Clean slate.
    }
Clear cache (everything).

@since 150424 Initial release.