案例：php案例     状态：不可编辑再运行    进入竖版
 运行结果　
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<!DOCTYPE html>
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<html>
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<body>
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​
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<?php
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$str = "age:30 weight:60kg";
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sscanf($str,"age:%d weight:%dkg",$age,$weight);
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// 显示类型和值
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var_dump($age,$weight);
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?>
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</body>
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</html>
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​
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