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Smarty模板編譯引擎 序 I.開始 第一章. 什么是Smarty? 第二章. 安裝 要求 基本安裝 擴(kuò)展設(shè)置 II.模板設(shè)計(jì)者篇 第三章.基本語法 注釋 函數(shù) 屬性 第四章.變量 從PHP分配的變量 Associative arrays Array indexes Objects 從配置文件讀取的變量 {$smarty}保留變量 Request variables {$smarty.now} {$smarty.const} {$smarty.capture} {$smarty.config} {$smarty.section} {$smarty.template} 第五章.變量調(diào)節(jié)器 capitalize count_characters cat count_paragraphs count_sentences count_words date_format default escape indent lower nl2br regex_replace replace spacify string_format strip strip_tags truncate upper wordwrap 第六章.組合修改器 第七章.內(nèi)建函數(shù) capture config_load foreach include include_php insert if ldelim literal php section index index_prev index_next iteration first last rownum loop show total strip 第八章.自定義函數(shù) assign counter cycle debug eval fetch html_checkboxes html_image html_options html_radios html_select_date html_select_time html_table math mailto popup_init popup textformat 第九章.配置文件 第十章.調(diào)試控制臺(tái) III.模板程序員篇 第十一章 常量 SMARTY_DIR 第十二章 變量 $template_dir $compile_dir $config_dir $plugins_dir $debugging $debug_tpl $debugging_ctrl $global_assign $undefined $autoload_filters $compile_check $force_compile $caching $cache_dir $cache_lifetime $cache_handler_func $cache_modified_check $config_overwrite $config_booleanize $config_read_hidden $config_fix_newlines $default_template_handler_func $php_handling $security $secure_dir $security_settings $trusted_dir $left_delimiter $right_delimiter $compiler_class $request_vars_order $compile_id $use_sub_dirs $default_modifiers $default_resource_type 第十三章.方法 append append_by_ref assign assign_by_ref clear_all_assign clear_all_cache clear_assign clear_cache clear_compiled_tpl clear_config config_load display fetch get_config_vars get_registered_object get_template_vars is_cached load_filter register_block register_compiler_function register_function register_modifier register_object register_outputfilter register_postfilter register_prefilter register_resource trigger_error template_exists unregister_block unregister_compiler_function unregister_function unregister_modifier unregister_object unregister_outputfilter unregister_postfilter unregister_prefilter unregister_resource 第十四章.緩存 Setting Up Caching Multiple Caches Per Page Cache Groups Controlling Cacheability of Plugins' Output 第十五章.高級(jí)特點(diǎn) Objects Prefilters Postfilters Output Filters Cache Handler Function Resources Templates from $template_dir Templates from any directory Templates from other sources Default template handler function 第十六章.以插件擴(kuò)展Smarty How Plugins Work Naming Conventions Writing Plugins Template Functions Modifiers Block Functions Compiler Functions Prefilters/Postfilters Output Filters Resources Inserts Ⅳ.高級(jí)特點(diǎn) 第十七章.疑難解答 Smarty/PHP errors 第18章.使用技巧和經(jīng)驗(yàn) Blank Variable Handling Default Variable Handling Passing variable title to header template Dates WAP/WML Componentized Templates Obfuscating E-mail Addresses 第十九章. 相關(guān)資源 第二十章. 漏洞
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$cache_lifetime
緩存生存時(shí)間變量

This is the length of time in seconds that a template cache is valid. Once this time has expired, the cache will be regenerated. $caching must be set to "true" for $cache_lifetime to have any purpose. A value of -1 will force the cache to never expire. A value of 0 will cause the cache to always regenerate (good for testing only, to disable caching a more efficient method is to set $caching = false.)
該變量定義模板緩存有效時(shí)間段的長(zhǎng)度(單位秒),一旦這個(gè)時(shí)間失效,則緩存將會(huì)重新生成.如果要想實(shí)現(xiàn)所有效果,$caching必須因$cache_lifetime需要而設(shè)為"true".值為-1時(shí),將強(qiáng)迫緩存永不過期.0值將導(dǎo)致緩存總是重新生成(僅有利于測(cè)試,一個(gè)更有效的使緩存無效的方法是設(shè)置$caching = false.)

If $force_compile is enabled, the cache files will be regenerated every time, effectively disabling caching. You can clear all the cache files with the clear_all_cache() function, or individual cache files (or groups) with the clear_cache() function.
如果啟動(dòng)了強(qiáng)迫編譯,則緩存文件每次將會(huì)重新生成.要想有效地停止緩存,你可以利用clear_all_cache() 函數(shù)清除所有的緩存文件,或者利用clear_cache() 函數(shù)清除個(gè)別文件(或文件組).

Technical Note: If you want to give certain templates their own cache lifetime, you could do this by setting $caching = 2, then set $cache_lifetime to a unique value just before calling display() or fetch().
技巧:如果你想給某些模板設(shè)定它們自己的緩存生存時(shí)間,你可以在調(diào)用display()或fetch()函數(shù)之前,通過設(shè)置$caching = 2,然后設(shè)置$cache_lifetime為一個(gè)唯一值來實(shí)現(xiàn).

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