Home>Article>Backend Development> How to delete the intersection of two arrays in php
Delete steps: 1. Use array_intersect() to obtain the intersection of two arrays. The syntax "array_intersect(original array 1, (original array 2)" will return an intersection array; 2. Use array_diff() to separate Compare the two original arrays and the intersection array to obtain the difference set, that is, delete the intersection elements and obtain the different elements. The syntax is "array_diff (original array 1, intersection array)" and "array_diff (original array 2, intersection array) ”.
The operating environment of this tutorial: windows7 system, PHP8.1 version, DELL G3 computer
In php, you can use array_intersect( ) and the array_diff() function to delete the intersection of the two arrays.
Implementation steps:
Step 1: Use the array_intersect() function to obtain the intersection of the two arrays
array_intersect() function can compare the values of two arrays and return the intersection array of the same elements.
Step 2 : Use the array_diff() function to delete the intersection of two arrays
Use the array_diff() function to compare the two arrays with the intersection array respectively and obtain the difference set (delete the intersection elements and obtain different elements).
Description:
array_diff() function is used to compare the values of two (or more) arrays and Returns the difference set.
This function compares the values of two (or more) arrays (key=>value in value), and returns a difference set array, which includes all the values in the compared in the array (array1), but not in any other parameter array (array2).
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