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PHP. You can create a function to merge two arrays using array_merge

Insert all elements of one array into another array

Country Code to Country Name Mapping in PHP

Removing Duplicates from an Array in PHP

Sum of Array Elements in PHP

PHP in_array() Function: Check for Value Existence in an Array

Extracting a Subset of an Array

Removing the Smallest Element from an Array

Array Manipulation with array_pop() in PHP

How to sort an array using the SORT_NUMERIC constant

Counting Array Elements in PHP

Sorting an Array in Ascending and Descending Order

Splitting a String into Arrays Using str_split

Filtering Non-Zero Values from an Array

Function in PHP to remove vowels from a string.

Splitting a String into Substrings with str_split() in PHP