PHP

The array_intersect function in PHP returns the common values from two or more arrays. Below is a custom implementation of

The array_flip function in PHP exchanges the keys and values of an array. Below is a custom implementation of this

The array_filter function in PHP filters an array by using a callback function to determine whether an element should be

The array_fill_keys function in PHP is used to create an array by assigning a specified value to a list of

The array_fill function in PHP is used to fill an array with a specific value, starting at a given index

array_diff_ukey compares the keys of two or more arrays using a custom callback function and returns the key-value pairs from

Here’s how you can implement array_diff_key in PHP without using PHP’s built-in array functions. This function will compare the keys

To implement a function similar to PHP’s array_diff_assoc without using any built-in array functions, you can manually compare both the

To implement a function similar to PHP’s array_diff without using built-in array functions, you can manually compare the values of

If you want to implement a function similar to PHP’s array_count_values without using any built-in array functions, you can do