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

The array intersection function in php that only compares values is "array_intersect ()"; this function is used to compare the key values of two (or more) arrays, and the syntax "array_intersect (array 1, array 2...)" returns an intersection array containing values taken from the array being compared (array 1).

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

The array intersection function in php where only values are compared is array_intersect ().

The array_intersect () function is used to compare two (or more) arrays, comparing only the key values of the array and returning the intersection of the array.

Array_intersect (array1,array2,array3...)

Array1,array2,array3... Is a list of arrays to be compared

Parameter description array1 is required. The first array compared to other arrays. Array2 is required. The array compared to the first array. Array3,... Optional. Other arrays compared to the first array.

Return value:

Returns an intersecting array that contains all the values in the array being compared (array1), as well as in any other parameter array (array2, array3, etc.).

To put it simply, the returned intersection is obtained from the compared array (array1).

Example 1: compare the values of two arrays and return the intersection:

Example 2: compare the values of three arrays and return the intersection

At this point, the study of "how to compare only the values of arrays in 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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