PHP 尽管 Loop

这 while loop - Loops through a block of code as long as the specified condition is true.

The PHP while Loop

这 while loop executes a block of code as long as the specified condition is true.

句法

例子

The example below displays the numbers from 1 to 5:

示例解释

• $x = 1; - Initialize the loop counter ($x), and set the start value to 1
• $x <= 5 - Continue the loop as long as $x is less than or equal to 5
• $x++; - Increase the loop counter value by 1 for each iteration

此示例以十为单位数到 100：

示例解释

• $x = 0; - 初始化循环计数器 ($x)，并将起始值设置为 0
• $x <= 100 - Continue the loop as long as $x is less than or equal to 100
• $x+=10; - Increase the loop counter value by 10 for each iteration

PHP 练习

$i = 1;

 ($i < 6) 
  echo $i;
  $i++;