/** * Write this cache object to handler * * @param Smarty_Internal_Template $_template template object * @param string $content content to cache * * @return boolean success */ public function write(Smarty_Internal_Template $_template, $content) { if (!$_template->source->recompiled) { if ($this->handler->writeCachedContent($_template, $content)) { $this->content = null; $this->timestamp = time(); $this->exists = true; $this->valid = true; if ($_template->smarty->cache_locking) { $this->handler->releaseLock($_template->smarty, $this); } return true; } } return false; }
/** * Write this cache object to handler * @param Smarty_Internal_Template $_template template object * @param string $content content to cache * @return boolean success */ public function write(Smarty_Internal_Template $_template, $content) { if (!$_template->source->recompiled) { if ($this->handler->writeCachedContent($_template, $content)) { $this->content = NULL; $this->timestamp = time(); $this->exists = TRUE; $this->valid = TRUE; $this->processed = FALSE; if ($_template->smarty->cache_locking) { $this->handler->releaseLock($_template->smarty, $this); } return TRUE; } $this->content = NULL; $this->timestamp = FALSE; $this->exists = FALSE; $this->valid = FALSE; $this->processed = FALSE; } return FALSE; }
/** * Check if cache is valid, lock cache if required * * @param \Smarty_Internal_Template $_template * * @return bool flag true if cache is valid */ public function isCached(Smarty_Internal_Template $_template) { if ($this->valid !== null) { return $this->valid; } while (true) { while (true) { if ($this->exists === false || $_template->smarty->force_compile || $_template->smarty->force_cache) { $this->valid = false; } else { $this->valid = true; } if ($this->valid && $_template->caching == Smarty::CACHING_LIFETIME_CURRENT && $_template->cache_lifetime >= 0 && time() > $this->timestamp + $_template->cache_lifetime) { // lifetime expired $this->valid = false; } if ($this->valid && $_template->smarty->compile_check == 1 && $_template->source->getTimeStamp() > $this->timestamp) { $this->valid = false; } if ($this->valid || !$_template->smarty->cache_locking) { break; } if (!$this->handler->locked($_template->smarty, $this)) { $this->handler->acquireLock($_template->smarty, $this); break 2; } $this->handler->populate($this, $_template); } if ($this->valid) { if (!$_template->smarty->cache_locking || $this->handler->locked($_template->smarty, $this) === null) { // load cache file for the following checks if ($_template->smarty->debugging) { $_template->smarty->_debug->start_cache($_template); } if ($this->handler->process($_template, $this) === false) { $this->valid = false; } else { $this->processed = true; } if ($_template->smarty->debugging) { $_template->smarty->_debug->end_cache($_template); } } else { $this->is_locked = true; continue; } } else { return $this->valid; } if ($this->valid && $_template->caching === Smarty::CACHING_LIFETIME_SAVED && $_template->cached->cache_lifetime >= 0 && time() > $_template->cached->timestamp + $_template->cached->cache_lifetime) { $this->valid = false; } if ($_template->smarty->cache_locking) { if (!$this->valid) { $this->handler->acquireLock($_template->smarty, $this); } elseif ($this->is_locked) { $this->handler->releaseLock($_template->smarty, $this); } } return $this->valid; } return $this->valid; }