register_compiler_function(), unregister_compiler_function().

Example 16-6. simple compiler function简单编译函数 <?PHP /* * smarty plugin * ------------------------------------------------------------- * File: compiler.tplheader.php * Type: compiler * Name: tplheader * Purpose: Output header containing the source file name and * the time it was compiled. * ------------------------------------------------------------- */ function smarty_compiler_tplheader($tag_arg, &$smarty) { return "\necho '" . $smarty->_current_file . " compiled at " . date('Y-m-d H:M'). "';"; } ?> This function can be called from the template as: 这个函数在模板中以如下方式调用： {* this function gets executed at compile time only *} {tplheader} The resulting PHP code in the compiled template would be something like this: 在编译之后的模板中被嵌入的PHP代码内容如下： <php echo 'index.tpl compiled at 2002-02-20 20:02'; ?>