PHP - Array Functions

Code reusability and better understanding of logical flow in the program.

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array() - Creates an array.

array_change_key_case() - Changes all keys in an array to lowercase or uppercase.

array_chunk() -  Splits an array into chunks of arrays.

array_column() - Returns the values from a single column in the input array.

array_combine() - Creates an array by using the elements from one "keys" array and one "values" array.

array_count_values() - Counts all the values of an array.

array_diff() -  Compare arrays, and returns the differences (compare values only).

array_diff_assoc() -  Compare arrays, and returns the differences (compare keys and values).

array_diff_key() - Compare arrays, and returns the differences (compare keys only).

array_diff_uassoc() - Compare arrays, and returns the differences (compare keys and values, using a user-defined key comparison function).

array_diff_ukey() -  Compare arrays, and returns the differences (compare keys only, using a user-defined key comparison function).

array_fill() - Fills an array with values.

array_fill_keys() -  Fills an array with values, specifying keys.

array_flip() - Flips/Exchanges all keyswith their associated values in an array.

array_intersect() - Compare arrays, and returns the matches (compare values only).

array_intersect_assoc() -  Compare arrays and returns the matches (compare keys and values).

array_intersect_key() - Compare arrays, andreturns the matches (compare keys only).

array_intersect_uassoc() - Compare arrays, and returns the matches (compare keys and values, using a user-defined key comparison function).

array_intersect_ukey() -  Compare arrays, and returns the matches (compare keysonly, using a user-defined key comparison function).

array_key_exists() - Checks if the specified key exists in the array.

array_keys() -  Returns all the keys of an array.

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

array_merge() -  Merges one or more arrays into one array.

array_merge_recursive() - Merges one or more arrays into one array recursively.

array_multisort() -  Sorts multiple or multi-dimensional arrays.

array_pad() - Inserts a specified number of items, with a specified value, to an array.

array_pop() -  Deletes the last element of an array.

array_product() -  Calculates the product of the values in an array.

array_push() - Inserts one or more elements to the end of an array.

array_rand() -  Returns one or more randomkeys from an array.

array_reduce() - Returns an array as a string, using a user-defined function.

array_replace() -  Replaces the values of the first array with the values from following arrays.

array_replace_recursive() -  Replaces the values of the first array with the values from following arrays recursively.

array_reverse() - Returns an array in the reverse order.

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