(PHP 4, PHP 5, PHP 7)
Rewind the internal array pointer
mixed prev ( array &$array )
Rewind the internal array pointer.
prev() behaves just like next(), except it rewinds the internal array pointer one place instead of advancing it.
Parameters:
array
The input array.
Returns:
Returns the array value in the previous place that's pointed to by the internal array pointer, or FALSE if there are no more elements.
Notes:
You won't be able to distinguish the beginning of an array from a boolean FALSE element. To properly traverse an array which may contain FALSE elements, see the each() function.
Examples:
Example use of prev() and friends
1 2 3 4 5 6 7 8 | <?php$transport = array('foot', 'bike', 'car', 'plane');$mode = current($transport); // $mode = 'foot';$mode = next($transport); // $mode = 'bike';$mode = next($transport); // $mode = 'car';$mode = prev($transport); // $mode = 'bike';$mode = end($transport); // $mode = 'plane';?> |
See also:
end() -
next() -
reset() -
each() -
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