php man page for array_pop

ARRAY_POP(3)								 1							      ARRAY_POP(3)

array_pop - Pop the element off the end of array

SYNOPSIS
       mixed array_pop (array  &$array)

DESCRIPTION
       array_pop(3) pops and returns the last value of the $array, shortening the $array by one element.

       Note

	      This function will reset(3) the array pointer of the input array after use.

PARAMETERS
	      o $array
		- The array to get the value from.

RETURN VALUES
	Returns the last value of $array. If $array is empty (or is not an array), NULL will be returned.

ERRORS
/EXCEPTIONS
	This function will produce an error of level  E_WARNING when called on a non-array.

EXAMPLES
       Example #1

	      array_pop(3) example

	      <?php
	      $stack = array("orange", "banana", "apple", "raspberry");
	      $fruit = array_pop($stack);
	      print_r($stack);
	      ?>

	       After this, $stack will have only 3 elements:

	      Array
	      (
		  [0] => orange
		  [1] => banana
		  [2] => apple
	      )

	       and raspberry will be assigned to $fruit.

SEE ALSO
       array_push(3), array_shift(3), array_unshift(3).

PHP Documentation Group 													      ARRAY_POP(3)