(PHP 4, PHP 5, PHP 7, PHP 8)
array_pad — Pad array to the specified length with a value
array_pad() returns a copy of the
array padded to size specified by
length with value
value. If
length is positive then the array is
padded on the right, if it's negative then on the left. If the
absolute value of length 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.
lengthNew size of the array.
value
Value to pad if array is less than
length.
Returns a copy of the array padded to size specified
by length with value
value. If length is
positive then the array is padded on the right, if it's negative then
on the left. If the absolute value of length 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
?>