案例：php案例     状态：不可编辑再运行    进入竖版
 运行结果　
​x
 
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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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$str = "Assistance";
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$str2 = "Assistants";
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​
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echo metaphone($str,5);
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echo "<br>";
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echo metaphone($str2,5);
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?>
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</body>
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</html>
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​
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​
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​