輸出過濾器 · smarty3中文手冊

<table summary="Header navigation table" width="100%" border="0" cellpadding="0" cellspacing="0"><tr><th colspan="3" align="center">Smarty - the compiling PHP template engine</th></tr><tr><td width="25%" align="left" valign="bottom"><a href="plugins.prefilters.postfilters.html" accesskey="P">Prev</a></td><td width="50%" align="center" valign="bottom">Chapter 16. Extending Smarty With Plugins</td><td width="25%" align="right" valign="bottom"><a href="plugins.resources.html" accesskey="N">Next</a></td></tr></table> # Output Filters[輸出過濾器] Output filter plugins operate on a template's output, after the template is loaded and executed, but before the output is displayed. 輸出過濾器插件作用于模板輸出，它的處理處于模板加載執行之后，而在輸出被顯示之前。 > string smarty_outputfilter_name($template_output, &$smarty); string $template_output; object &$smarty; The first parameter to the output filter function is the template output that needs to be processed, and the second parameter is the instance of Smarty invoking the plugin. The plugin is supposed to do the processing and return the results. 輸出過濾器函數第一個參數是需要處理的模板輸出，第二個參數是調用這個插件的Smarty實例。此插件將會對輸出進行處理并返回相應的結果。 <table width="80%" border="0" cellpadding="2" cellspacing="2" class="note"><caption> 譯注 </caption> <tr><td><p>模板、輸出過濾器的關系如下：</p> <p><img src="https://box.kancloud.cn/2015-09-02_55e669a1c52f1.gif" width="422" height="115"/></p></td> </tr></table> <table width="100%" border="0" cellpadding="0" cellspacing="0" class="EXAMPLE"><tr><td><div class="EXAMPLE"><a name="AEN4094"/><b>Example 16.9. An output filter plugin<br/>例16-9.輸出過濾器插件</b><table border="0" bgcolor="#E0E0E0" width="100%"><tr><td><pre class="PROGRAMLISTING"><?php/* * Smarty plugin * ------------------------------------------------------------- * File: outputfilter.protect_email.php * Type: outputfilter * Name: protect_email * Purpose: Converts @ sign in email addresses to %40 as * a simple protection against spambots * ------------------------------------------------------------- */ function smarty_outputfilter_protect_email($output, $smarty) { return preg_replace('!(\S+)@([a-zA-Z0-9\.\-]+\.([a-zA-Z]{2,3}|[0-9]{1,3}))!','$1%40$2', $output); }?></pre></td></tr></table><p> 參見<a href="api.registerfilter.html">registerFilter()</a>、<a href="api.unregisterfilter.html">unregisterFilter()</a>。</p></div></td></tr></table> <table summary="Footer navigation table" width="100%" border="0" cellpadding="0" cellspacing="0"><tr><td width="33%" align="left" valign="top"><a href="plugins.prefilters.postfilters.html" accesskey="P">Prev</a></td><td width="34%" align="center" valign="top"><a href="index.html" accesskey="H">Home</a></td><td width="33%" align="right" valign="top"><a href="plugins.resources.html" accesskey="N">Next</a></td></tr><tr><td width="33%" align="left" valign="top">Prefilters/Postfilters<br/> 預濾器/后濾器</td><td width="34%" align="center" valign="top"><a href="plugins.html" accesskey="U">Up</a></td><td width="33%" align="right" valign="top">Resources<br/> 資源</td></tr></table>