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php while循环控制的简单实例,phpwhile循环实例

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Release: 2016-06-13 08:38:23
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php while循环控制的简单实例,phpwhile循环实例

while循环是PHP中最简单的循环,其基本格式为:

while (expr){ 
  statement 
} 
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或者

while (expr): 
  statement 
endwhile; 
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该语法表示,只要expr表达式为TRUE,那么就一直执行statement直到expr为FALSE为止,statement表示要执行的动作或逻辑。

<&#63;php 
$i = 1; 
while ($i <= 10) { 
  echo $i; 
  $i++; 
} 
&#63;> 
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该例子循环输出1到10。

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