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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 擴展設(shè)置 II.模板設(shè)計者篇 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 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.高級特點 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.高級特點 第十七章.疑難解答 Smarty/PHP errors 第18章.使用技巧和經(jīng)驗 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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Prefilters

預(yù)過濾器

Template prefilters are PHP functions that your templates are ran through before they are compiled. This is good for preprocessing your templates to remove unwanted comments, keeping an eye on what people are putting in their templates, etc. Prefilters can be either registered or loaded from the plugins directory by using load_filter() function or by setting $autoload_filters variable. Smarty will pass the template source code as the first argument, and expect the function to return the resulting template source code.

模板后過濾器是一些PHP函數(shù)，模板就是在那些函數(shù)編譯后才運行。這樣有利于預(yù)先處理你的模板，刪除不不需要的內(nèi)容，監(jiān)視對模板進行的操作，例如：預(yù)過濾器同樣能夠通過 load filter() 函數(shù)和設(shè)置 $autoload filters 變量來注冊或者從工具目錄里載入。SMARTY將傳遞模板輸出作為第一個參數(shù)，通過自定義函數(shù)返回處理結(jié)果。


Example 15-2. using a template prefilter 

<?php
// put this in your application
function remove_dw_comments($tpl_source, &$smarty)
{
 return preg_replace("/<!--#.*-->/U","",$tpl_source);
}

// register the prefilter
$smarty->register_prefilter("remove_dw_comments");
$smarty->display("index.tpl");
?>

{* Smarty template index.tpl *}
<!--# this line will get removed by the prefilter -->
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