How to remove duplicate values in php Multidimensional Array

This article mainly explains "how to remove duplicate values from php multidimensional arrays". The explanation in this article is simple and clear, easy to learn and understand. Please follow the ideas of Xiaobian and go deeper to study and learn "how to remove duplicate values from php multidimensional arrays" together!

Use array_map ('serialize ', $arr) to convert a multidimensional array to a one-dimensional array in string form.

Use array_unique() to remove duplicate values from a one-dimensional array.

3. Convert the deduplicated one-dimensional array back to a multidimensional array.

examples

function array_unique_new($arr) { $t = array_map('serialize', $arr); //convert an array to a one-dimensional array in string form using serialize() method $t = array_unique($t); //remove duplicate values $new_arr = array_map('unserialize', $t); //then convert the newly formed one-dimensional array back to php values return $new_arr;} Thank you for reading, the above is the "php multidimensional array how to remove duplicate values" of the content, after the study of this article, I believe that everyone on the php multidimensional array how to remove duplicate values this problem has a deeper understanding, the specific use of the situation also needs to be verified by practice. Here is, Xiaobian will push more articles related to knowledge points for everyone, welcome to pay attention!