php man page for reset

RESET(3)								 1								  RESET(3)

reset - Set the internal pointer of an array to its first element

SYNOPSIS
       mixed reset (array  &$array)

DESCRIPTION
       reset(3) rewinds $array's internal pointer to the first element and returns the value of the first array element.

PARAMETERS
	      o $array
		- The input array.

RETURN VALUES
	Returns the value of the first array element, or FALSE if the array is empty.

EXAMPLES
       Example #1

	      reset(3) example

	      <?php

	      $array = array('step one', 'step two', 'step three', 'step four');

	      // by default, the pointer is on the first element
	      echo current($array) . "<br />
"; // "step one"

	      // skip two steps
	      next($array);
	      next($array);
	      echo current($array) . "<br />
"; // "step three"

	      // reset pointer, start again on step one
	      reset($array);
	      echo current($array) . "<br />
"; // "step one"

	      ?>

SEE ALSO
       current(3), each(3), end(3), next(3), prev(3).

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