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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<?php
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$number = 9;
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$str = "Beijing";
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vprintf("There are %u million bicycles in %s.",array($number,$str));
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?>
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</body>
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</html>
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