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This article mainly introduces "how php gets non-repeating values in two arrays". In daily operation, I believe many people have doubts about how php gets non-repeating values in two arrays. Xiaobian consulted all kinds of data and sorted out simple and easy-to-use operation methods. I hope it will be helpful for you to answer the doubts of "php how to get non-repeating values in two arrays". Next, please follow the editor to study!

Php method to get unrepeated values in two arrays: 1, use array_diff () function, syntax "array_diff (array 1, array 2)"; 2, use array_diff_assoc () function, syntax "array_diff_assoc (array 1, array 2)".

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

In php, get the values of two arrays that are not repeated, that is, compare the two arrays and find out the different elements in the two arrays, that is, the difference set.

Let's take a look at how to compare two arrays in php, only the difference set.

Method 1. Use the array_diff () function to compare the key values of the array

Array_diff ($arr1,$arr2...) The function compares only the key values of the array and returns an array of subtractions. The elements in the subtractive array exist in the compared array $arr1, but not in the other parameter array $arr2.... In the middle.

Example:

Method 2: use the array_diff_assoc () function to compare the key names and key values of the array

Array_diff_assoc ($arr1,$arr2...) The function compares the key name and key value of the array, and also returns an array of subtractions, which, like array_diff (), are obtained from the array $arr1 being compared.

Example:

At this point, the study on "how to get non-repeating values in two arrays by php" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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