The following list show the different function used in an array.
- array_change_key_case : Changes all keys in an array
- array_chunk : Used to split an array into pieces.
- array_column : Used to return the values from a single column in the input array
- array_combine : Used to creates an array by using one array for keys and another for its values.
- array_count_values : Used to counts all the values of an array.
- array_diff_assoc : Computes the difference of arrays with additional index check
- array_diff_key : Computes the difference of arrays using keys for comparison
- array_diff_uassoc : Computes the difference of arrays with additional index check which is performed by a user supplied callback function
- array_diff_ukey : Computes the difference of arrays using a callback function on the keys for comparison
- array_diff : Computes the difference of arrays
- array_fill_keys : Fill an array with values, specifying keys
- array_fill : Fill an array with values
- array_filter : Filters elements of an array using a callback function
- array_flip : Exchanges all keys with their associated values in an array
- array_intersect_assoc : Computes the intersection of arrays with additional index check
- array_intersect_key : Computes the intersection of arrays using keys for comparison
- array_intersect_uassoc : Computes the intersection of arrays with additional index check, compares indexes by a callback function
- array_intersect_ukey : Computes the intersection of arrays using a callback function on the keys for comparison
- array_intersect : Computes the intersection of arrays
- array_key_exists : Checks if the given key or index exists in the array
- array_keys : Return all the keys or a subset of the keys of an array
- array_map : Applies the callback to the elements of the given arrays
- array_merge_recursive : Merge two or more arrays recursively
- array_merge : Merge one or more arrays
- array_multisort : Sort multiple or multi-dimensional arrays
- array_pad : Pad array to the specified length with a value
- array_pop : Pop the element off the end of array
- array_product : Calculate the product of values in an array
- array_push : Push one or more elements onto the end of array
- array_rand : Pick one or more random entries out of an array
- array_reduce : Iteratively reduce the array to a single value using a callback function
- array_replace_recursive : Replaces elements from passed arrays into the first array recursively
- array_replace : Replaces elements from passed arrays into the first array
- array_reverse : Return an array with elements in reverse order
- array_search : Searches the array for a given value and returns the corresponding key if successful
- array_shift : Shift an element off the beginning of array
- array_slice : Extract a slice of the array
- array_splice : Remove a portion of the array and replace it with something else
- array_sum : Calculate the sum of values in an array
- array_udiff_assoc : Computes the difference of arrays with additional index check, compares data by a callback function
- array_udiff_uassoc : Computes the difference of arrays with additional index check, compares data and indexes by a callback function
- array_udiff : Computes the difference of arrays by using a callback function for data comparison
- array_uintersect_assoc : Computes the intersection of arrays with additional index check, compares data by a callback function
- array_uintersect_uassoc : Computes the intersection of arrays with additional index check, compares data and indexes by a callback functions
- array_uintersect : Computes the intersection of arrays, compares data by a callback function
- array_unique : Removes duplicate values from an array
- array_unshift : Prepend one or more elements to the beginning of an array
- array_values : Return all the values of an array
- array_walk_recursive : Apply a user function recursively to every member of an array
- array_walk : Apply a user function to every member of an array
- array : Create an array
- arsort : Sort an array in reverse order and maintain index association
- asort : Sort an array and maintain index association
- compact : Create array containing variables and their values
- count : Count all elements in an array, or something in an object
- current : Return the current element in an array
- each : Return the current key and value pair from an array and advance the array cursor
- end : Set the internal pointer of an array to its last element
- extract : Import variables into the current symbol table from an array
- in_array : Checks if a value exists in an array
- key_exists : Alias of array_key_exists
- key : Fetch a key from an array
- krsort : Sort an array by key in reverse order
- ksort : Sort an array by key
- list : Assign variables as if they were an array
- natcasesort : Sort an array using a case insensitive "natural order" algorithm
- natsort : Sort an array using a "natural order" algorithm
- next : Advance the internal array pointer of an array
- pos : Alias of current
- prev : Rewind the internal array pointer
- range : Create an array containing a range of elements
- reset : Set the internal pointer of an array to its first element
- rsort : Sort an array in reverse order
- shuffle : Shuffle an array
- sizeof : Alias of count
- sort : Sort an array
- uasort : Sort an array with a user-defined comparison function and maintain index association
- uksort : Sort an array by keys using a user-defined comparison function
- usort : Sort an array by values using a user-defined comparison function