php简单的自定义模板类(2)

                        '/\<\{\s*\$([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)\s*\}\>/i' 
                    ); 
 
                $replacement=array( 
                    '<?php echo $this->tpl_vars["${1}"]; ?>' 
                    ); 
             
                $repContent=preg_replace($pattern, $replacement, $content); 
 
                return $repContent; 
        } 
 
    } 
?> 
摘自：enough_br的专栏