Php implements the subtraction operation on two arrays

Source: Internet
Author: User
This article mainly introduces how php implements the subtraction operation on two arrays. it involves related skills related to php operations on arrays and has some reference value, for more information about how to use php to subtract two arrays, see the following example. Share it with you for your reference. The details are as follows:

In this code, two arrays A and B are passed in, and the result of the A-B is returned, that is, the elements that exist in A but do not exist in B are selected.

<? Phpfunction RestaDeArrays ($ vectorA, $ vectorB) {$ cantA = count ($ vectorA); $ cantB = count ($ vectorB); $ No_saca = 0; for ($ I = 0; $ I <$ cantA; $ I ++) {for ($ j = 0; $ j <$ cantB; $ j ++) {if ($ vectorA [$ I] = $ vectorB [$ j]) $ No_saca = 1;} if ($ No_saca = 0) $ nuevo_array [] = $ vectorA [$ I]; else $ No_saca = 0;} return $ nuevo_array;}?>

I hope this article will help you with php programming.

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