array_pad() returns a copy of the
input
padded to size specified by
pad_size
with value
pad_value
. If
pad_size
is positive then the array is
padded on the right, if it's negative then on the left. If the
absolute value of pad_size
is less than or
equal to the length of the input
then no
padding takes place.
It is possible to add most 1048576 elements at a time.
Parameters
input
Initial array of values to pad.
pad_size
New size of the array.
pad_value
Value to pad if input
is less than
pad_size
.
Return Values
Returns a copy of the input
padded to size specified
by pad_size
with value
pad_value
. If pad_size
is
positive then the array is padded on the right, if it's negative then
on the left. If the absolute value of pad_size is less than or equal to
the length of the input then no padding takes place.
Examples
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 ?>
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