PHP 各种循环 

 1 <?php 
 2 //while循环
 3 $x=1;
 4   
 5 while($x<=5) {
 6    echo "数字是：$x <br>";
 7    $x++;
 8 } 
 9 //foreach循环
10 $a = array("1","2","3","4","5"); 
11 
12 foreach ($a as $b) {
13   echo "$b <br>";
14   }
15 //for循环
16 for ($x=0; $x<=5; $x++) {
17   echo "数字是：$x <br>";
18 }
19 //do...while循环
20 $x=1;
21 
22 do {
23   echo "这个数字是：$x <br>";
24   $x++;
25 } while ($x<=5);
26 ?>
27 </body>

 

posted @ 2017-05-25 16:42  张小琪  阅读(192)  评论(0)  编辑  收藏  举报