我必须找到多阵列中存在的内容,
For example, I have 4 arrays
Array1 = {P1,P2,P3,P4}
Array2 = {P1,P2,P3}
Array3 = {P1}
Array4 = {P2,P3}
我必须找到所有阵列中存在的内容,例如,预期的要素是{P1,P2}或{P1,P3}。
如何利用PHP阵列功能做到这一点?
请提供帮助。
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