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Smarty模板编译引擎序 I.开始第一章. 什么是Smarty?第二章. 安装要求基本安装扩展设置 II.模板设计者篇第三章.基本语法注释函数属性第四章.变量从PHP分配的变量 Associative arrays Array indexes Objects 从配置文件读取的变量 {$smarty}保留变量 Request variables {$smarty.now}{$smarty.const}{$smarty.capture}{$smarty.config}{$smarty.section}{$smarty.template}第五章.变量调节器 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.组合修改器第七章.内建函数 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.自定义函数 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.调试控制台 III.模板程序员篇第十一章常量 SMARTY_DIR 第十二章变量 $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.缓存 Setting Up Caching Multiple Caches Per Page Cache Groups Controlling Cacheability of Plugins' Output 第十五章.高级特点 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.以插件扩展Smarty How Plugins Work Naming Conventions Writing Plugins Template Functions Modifiers Block Functions Compiler Functions Prefilters/Postfilters Output Filters Resources Inserts Ⅳ.高级特点第十七章.疑难解答 Smarty/PHP errors 第18章.使用技巧和经验 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. 相关资源第二十章. 漏洞

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$caching
缓存变量

This tells Smarty whether or not to cache the output of the templates. By default this is set to 0, or disabled. If your templates generate redundant redundant content, it is advisable to turn on caching. This will result in significant performance gains. You can also have multiple caches for the same template. A value of 1 or 2 enables caching. 1 tells Smarty to use the current $cache_lifetime variable to determine if the cache has expired. A value of 2 tells Smarty to use the cache_lifetime value at the time the cache was generated. This way you can set the cache_lifetime just before fetching the template to have granular control over when that particular cache expires. See also is_cached.
告诉Smarty是否缓存模板的输出.默认情况下,她设为0,或无效.如果模板产生冗余内容,建议打开缓存.这样有利于获得良好的性能增益.你也可以为同一模板设有多个缓存.当值为1或2时启动缓存.1告诉Smarty 使用当前的$cache_lifetime变量判断缓存是否过期.2告诉 Smarty 使用生成缓存时的cache_lifetime值.用这种方式你正好可以在获取模板之前设置缓存生存时间，以便较精确地控制缓存何时失效.

If $compile_check is enabled, the cached content will be regenerated if any of the templates or config files that are part of this cache are changed. If $force_compile is enabled, the cached content will always be regenerated.
如果启动了编译检查,一旦任何的模板文件或配置文件(有关缓存部分的配置文件)被修改,缓存的内容将会重新生成.如果启动了强迫编译,缓存的内容将总会重新生成.

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