(PHP 4, PHP 5)
array_pad — Pad array to the specified length with a value
array_pad() returns a copy of the
array padded to size specified by
size with value
value. If
size is positive then the array is
padded on the right, if it's negative then on the left. If the
absolute value of size is less than or
equal to the length of the array then no
padding takes place.
It is possible to add at most 1048576 elements at a time.
arrayInitial array of values to pad.
sizeNew size of the array.
value
Value to pad if array is less than
size.
Returns a copy of the array padded to size specified
by size with value
value. If size is
positive then the array is padded on the right, if it's negative then
on the left. If the absolute value of size is less
than or equal to the length of the array then no
padding takes place.
Example #1 array_pad() example
<?php
$input = array(12, 10, 9);
$result = array_pad($input, 5, 0);
// result is array(12, 10, 9, 0, 0)
$result = array_pad($input, -7, -1);
// result is array(-1, -1, -1, -1, 12, 10, 9)
$result = array_pad($input, 2, "noop");
// not padded
?>