| Function |
Description |
PHP |
| array() |
Creates an array |
4 |
| 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_fill_keys() | Fills an array with values, specifying keys | 5.2 |
| 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() |
|
Inserts one or more elements to the end of an array |
| 4 |
| array_reduce() | Returns an array as a string, using a user-defined function | 4 |
| array_replace() | Replaces elements from passed arrays into the first array | 5.3 |
| array_replace_recursive() | Replaces elements from passed arrays into the first array
recursively | 5.3 |
| 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 associative array in descending order, according
to the value |
| 4 |
| asort() | Sorts an associative array in ascending order, according to
the value | 4 |
| compact() |
|
Create array containing variables and their values |
| 4 |
| count() |
|
Create array containing variables and their values |
| 4 |
| 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 associative array in descending order, according
to the key |
| 4 |
| ksort() |
|
Sorts an associative array in ascending order, according to
the key |
| 4 |
|
|
|
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() |
| 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 indexed array in descending order |
| 4 |
| shuffle() |
| 3 |
| sizeof() |
| 4 |
| sort() | Sorts an indexed array in ascending order | 4 |
| uasort() |
|
Sorts an array by values using a user-defined comparison function |
| 4 |
| uksort() |
|
Sorts an array by keys using a user-defined comparison function |
| 4 |
| usort() |
|
Sorts an array using a user-defined
comparison function |
| 4 |