(PHP 5 >= 5.3.0, PHP 7) Returns the size of the array

(PHP 5 >= 5.3.0, PHP 7) Move to next entry

(PHP 5 >= 5.3.0, PHP 7) Import a PHP array in a

(PHP 5 >= 5.3.0, PHP 7) Constructs a new fixed array

(PHP 5 >= 5.3.0, PHP 7) Return current array entry

(PHP 5 >= 5.3.0, PHP 7) Returns a PHP array from the fixed array

(PHP 5 >= 5.3.0, PHP 7) Rewind iterator back to the start

(PHP 5 >= 5.5.0, PHP 7) Reinitialises the array after being unserialised

(PHP 5 >= 5.3.0, PHP 7) Sets a new value at a specified index

(PHP 5 >= 5.3.0, PHP 7) Returns whether the requested index exists