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php比较数组

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Release： 2016-06-06 20:13:26
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array_diff 求解释下 网上的看不出

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array_diff 求解释下 网上的看不出

<code>array_diff($array1,$array2);</code>
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返回两个数组的差集的数组，即$array1里面有，但是$array2里面没有的项。

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