(PHP 3, PHP 4, PHP 5)each -- Return the current key and value pair from an array and advance the array cursor
Returns the current key and value pair from the array
array and advances the array cursor. This
pair is returned in a four-element array, with the keys
value. Elements 0 and
key contain the key name of the array
element, and 1 and
value contain the data.
If the internal pointer for the array points past the end of the array contents, each() returns FALSE.
$bar now contains the following key/value
Array (  => Bob [value] => Bob  => Robert [key] => Robert )
each() is typically used in conjunction with list() to traverse an array, here's an example:
After each() has executed, the array cursor will be left on the next element of the array, or past the last element if it hits the end of the array. You have to use reset() if you want to traverse the array again using each.
Because assigning an array to another variable resets the original
arrays pointer, our example above would cause an endless loop had we