PHP Array function Internal pointer

Current (& $arr) The first cell of an array of initial values for each array of active cells

Next (& $arr) returns the next cell in the array and returns FALSH if there is no value

Prev (& $arr) returns the previous cell in the array, or true if there is no value

End (& $arr) moves the internal pointer to the last cell and returns its value

Reset (& $arr) Move the internal pointer to the first cell if no value returns FALSH

Each (& $arr) returns the current key/value pair in the array and moves the array pointer forward one step

PHP Array function Internal pointer