in previous post we have learn how to count duplicate values, Here we will learn how to find duplicate element and extract them from array. Sometimes we need to get only the duplicate elements from arrays. PHP provide many array functions, we used some of them .first we will get unique array with help of
array_unique method then we will extract difference of arrays with help of
array_diff_assoc and finally we will fire
array_unique function to get duplicate values of array.
Checkout other tutorial of Duplicate Records,
- Remove Duplicates From Multidimensional Array
- Find duplicate array elements php
- Count the number of duplicate values in PHP array
We used following combination of all listed methods.