Arrays

Initializing an Array

Applying a function to each element of an array

Check if key exists

Validating the array type

Iterating multiple arrays together

Filtering an array

Removing elements from an array

Creating an array of variables

Checking if a value exists in array

Sorting an Array

Splitting a string by separators

Array intersection

Adding element to start of array

Merge or concatenate arrays

ArrayAccess and Iterator Interfaces

Whitelist only some array keys

Imploding an array into string

Split array into chunks

Exchange values with keys

Combining two arrays keys from one values from another

array reduce

Destructuring arrays using list

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