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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 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(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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Prefilters/Postfilters預(yù)濾器/后濾器

Prefilter and postfilter plugins are very similar in concept; where they differ is in the execution -- more precisely the time of their execution.
從概念上看，預(yù)濾器和后濾器插件都很簡單；不同之處就在于它們的執(zhí)行，更確切地說是它們的執(zhí)行時(shí)刻（非時(shí)間段，而是某一個(gè)時(shí)刻）。

string smarty_prefilter_ name (string $source, object &$smarty)

Prefilters are used to process the source of the template immediately before compilation. The first parameter to the prefilter function is the template source, possibly modified by some other prefilters. The plugin is supposed to return the modified source. Note that this source is not saved anywhere, it is only used for compilation.
預(yù)濾器用來在編譯之前直接處理模板源文件。預(yù)濾器函數(shù)的第一個(gè)參數(shù)是模板源文件，該文件可能被其他一些預(yù)濾器修正過。此預(yù)濾器插件將返回修正過的源文件。請記住此源文件僅用來編譯，它不會(huì)在任何地方被保存。

string smarty_postfilter_ name (string $compiled, object &$smarty)

Postfilters are used to process the compiled output of the template (the PHP code) immediately after the compilation is done but before the compiled template is saved to the filesystem. The first parameter to the postfilter function is the compiled template code, possibly modified by other postfilters. The plugin is supposed to return the modified version of this code.
后濾器用來在編譯之后直接處理模板的編譯輸出（PHP代碼），但須在編譯之后的模板被保存到文件系統(tǒng)之前就進(jìn)行操作。預(yù)濾器函數(shù)的第一個(gè)參數(shù)是編譯之后的模板代碼，該代碼可能被其他一些后濾器修正過。此后濾器插件將返回修正過的代碼文件。

Example 16-7. prefilter plugin預(yù)濾器插件 

<?php

 function smarty_prefilter_pre01($source, &$smarty)
 {
 return preg_replace('!<(\w+)[^>]+>!e', 'strtolower("$1")', $source);
 }
?>

Example 16-8. postfilter plugin后濾器插件 

<?php

 function smarty_postfilter_post01($compiled, &$smarty)
 {
 $compiled = "<pre>\n<?php print_r(\$this->get_template_vars()); ?>\n</pre>" . $compiled;
 return $compiled;
 }
?>
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