array() 

Creates an array 

3 

array_change_key_case() 

Returns an array with all keys in lowercase or uppercase 

4 

array_chunk() 

Splits an array into chunks of arrays 

4 

array_combine() 

Creates an array by using one array for keys and another for its values 

5 

array_count_values() 

Returns an array with the number of occurrences for each value 

4 

array_diff() 

Compares array values, and returns the differences 

4 

array_diff_assoc() 

Compares array keys and values, and returns the differences 

4 

array_diff_key() 

Compares array keys, and returns the differences 

5 

array_diff_uassoc() 

Compares array keys and values, with an additional user-made function check, and returns the differences 

5 

array_diff_ukey() 

Compares array keys, with an additional user-made function check, and returns the differences 

5 

array_fill() 

Fills an array with values 

4 

array_filter() 

Filters elements of an array using a user-made function 

4 

array_flip() 

Exchanges all keys with their associated values in an array 

4 

array_intersect() 

Compares array values, and returns the matches 

4 

array_intersect_assoc() 

Compares array keys and values, and returns the matches 

4 

array_intersect_key() 

Compares array keys, and returns the matches 

5 

array_intersect_uassoc() 

Compares array keys and values, with an additional user-made function check, and returns the matches 

5 

array_intersect_ukey() 

Compares array keys, with an additional user-made function check, and returns the matches 

5 

array_key_exists() 

Checks if the specified key exists in the array 

4 

array_keys() 

Returns all the keys of an array 

4 

array_map() 

Sends each value of an array to a user-made function, which returns new values 

4 

array_merge() 

Merges one or more arrays into one array 

4 

array_merge_recursive() 

Merges one or more arrays into one array 

4 

array_multisort() 

Sorts multiple or multi-dimensional arrays 

4 

array_pad() 

Inserts a specified number of items, with a specified value, to an array 

4 

array_pop() 

Deletes the last element of an array 

4 

array_product() 

Calculates the product of the values in an array 

5 

array_push() 

Inserts one or more elements to the end of an array 

4 

array_rand() 

Returns one or more random keys from an array 

4 

array_reduce() 

Returns an array as a string, using a user-defined function 

4 

array_reverse() 

Returns an array in the reverse order 

4 

array_search() 

Searches an array for a given value and returns the key 

4 

array_shift() 

Removes the first element from an array, and returns the value of the removed element 

4 

array_slice() 

Returns selected parts of an array 

4 

array_splice() 

Removes and replaces specified elements of an array 

4 

array_sum() 

Returns the sum of the values in an array 

4 

array_udiff() 

Compares array values in a user-made function and returns an array 

5 

array_udiff_assoc() 

Compares array keys, and compares array values in a user-made function, and returns an array 

5 

array_udiff_uassoc() 

Compares array keys and array values in user-made functions, and returns an array 

5 

array_uintersect() 

Compares array values in a user-made function and returns an array 

5 

array_uintersect_assoc() 

Compares array keys, and compares array values in a user-made function, and returns an array 

5 

array_uintersect_uassoc() 

Compares array keys and array values in user-made functions, and returns an array 

5 

array_unique() 

Removes duplicate values from an array 

4 

array_unshift() 

Adds one or more elements to the beginning of an array 

4 

array_values() 

Returns all the values of an array 

4 

array_walk() 

Applies a user function to every member of an array 

3 

array_walk_recursive() 

Applies a user function recursively to every member of an array 

5 

arsort() 

Sorts an array in reverse order and maintain index association 

3 

asort() 

Sorts an array and maintain index association 

3 

compact() 

Create array containing variables and their values 

4 

count() 

Counts elements in an array, or properties in an object 

3 

current() 

Returns the current element in an array 

3 

each() 

Returns the current key and value pair from an array 

3 

end() 

Sets the internal pointer of an array to its last element 

3 

extract() 

Imports variables into the current symbol table from an array 

3 

in_array() 

Checks if a specified value exists in an array 

4 

key() 

Fetches a key from an array 

3 

krsort() 

Sorts an array by key in reverse order 

3 

ksort() 

Sorts an array by key 

3 

list() 

Assigns variables as if they were an array 

3 

natcasesort() 

Sorts an array using a case insensitive "natural order" algorithm 

4 

natsort() 

Sorts an array using a "natural order" algorithm 

4 

next() 

Advance the internal array pointer of an array 

3 

pos() 

Alias of current() 

3 

prev() 

Rewinds the internal array pointer 

3 

range() 

Creates an array containing a range of elements 

3 

reset() 

Sets the internal pointer of an array to its first element 

3 

rsort() 

Sorts an array in reverse order 

3 

shuffle() 

Shuffles an array 

3 

sizeof()

Alias of count() 

3 

sort()

Sorts an array 

3 

uasort() 

Sorts an array with a user-defined function and maintain index association 

3 

uksort() 

Sorts an array by keys using a user-defined function 

3 

usort() 

Sorts an array by values using a user-defined function 

3