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Smarty模板編譯引擎 序 I.開(kāi)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(yǔ)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
Figuren

eval

Attribute Name Type Required Default Description
var mixed Yes n/a variable (or string) to evaluate
assign string No n/a the template variable the output will be assigned to

屬性 類(lèi)型 是否必須 缺省值 描述
var mixed Yes n/a 待求值的變量(或字符串)
assign string No n/a 輸出值將被賦給模板變量的名稱(chēng)

eval is used to evaluate a variable as a template. This can be used for things like embedding template tags/variables into variables or tags/variables into config file variables.

eval 按處理模板的方式計(jì)算取得變量的值. 該特性可用于在配置文件中的標(biāo)簽/變量中嵌入其它模板標(biāo)簽/變量.

If you supply the special "assign" attribute, the output of the eval function will be assigned to this template variable instead of being output to the template.

如果指定了 "assign" 這個(gè)特殊屬性，該函數(shù)的輸出值將被賦給由 assign 指定的模板變量，而不是直接輸出.

Technical Note: Evaluated variables are treated the same as templates. They follow the same escapement and security features just as if they were templates.

技術(shù)要點(diǎn): 待求值處理的變量被當(dāng)作模板來(lái)處理. 它們和模板一樣遵循同樣的結(jié)構(gòu)和安全特性.

Technical Note: Evaluated variables are compiled on every invocation, the compiled versions are not saved! However if you have caching enabled, the output will be cached with the rest of the template.

技術(shù)要點(diǎn): 待求值處理的變量每次調(diào)用時(shí)被重編譯，不保存編譯版本! 但當(dāng)打開(kāi)緩沖設(shè)置時(shí)，該輸出會(huì)被其它模板緩沖.

Example 8-4. eval
例 8-4. eval 函數(shù)演示 

setup.conf
----------

emphstart = <b>
emphend = </b>
title = Welcome to {$company}'s home page!
ErrorCity = You must supply a {#emphstart#}city{#emphend#}.
ErrorState = You must supply a {#emphstart#}state{#emphend#}.


index.tpl
---------

{config_load file="setup.conf"}

{eval var=$foo}
{eval var=#title#}
{eval var=#ErrorCity#}
{eval var=#ErrorState# assign="state_error"}
{$state_error}

OUTPUT:

This is the contents of foo.
Welcome to Foobar Pub & Grill's home page!
You must supply a <b>city</b>.
You must supply a <b>state</b>.
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