流程控制-遍歷 · PHP筆記

``` // 1.引入smarty include 'libs/Smarty.class.php'; // 2.實例化Smarty $smarty = new Smarty; $smarty->template_dir = 'view'; // 3.分配變量 $data = ['username'=>'zhangsan','age'=>20,'sex'=>'男']; $smarty->assign('data', $data); $smarty->assign('age', 30); // 4.編譯并輸出模板 $smarty->display('5.html'); // foreach ($variable as $key => $value) { // # code... // } ``` ``` <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> </head> <body>  {foreach $data as $k => $v} <p>{$k}===>{$v}</p> {if $v@index == 1} <h3>111</h3> {/if} {if $v@iteration == 1} <h3>222</h3> {/if} {/foreach} } <h3>{$v@total}</h3>//獲取遍歷總次數 {if $age > 20} <h3>過年回家媽媽給你準備了三個對象，盡情的去相親</h3> {elseif $age<20} <h3>不著急結婚</h3> {/if} <ul>  {for $i=0 to 10 step 3}//輸出0 3 6 9 <li>{$i}</li> {/for} </ul> </body> </html> ```