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This document uses PHP Chinese website manual Release
(PHP 5 >= 5.3.0)
SplFixedArray::setSize — Change the size of an array
$size
)
Change the size of an array to the new size of size
. If
size
is less than the current array size, any values after the new size
will be discarded. If size
is greater than the current array size, the
array will be padded with NULL
values.
size
The new array size. This should be a value between 0 and PHP_INT_MAX
.
没有返回值。
Throws InvalidArgumentException when size
is less than zero.
Raises E_WARNING
when size
cannot be used as a number.
Example #1 SplFixedArray::setSize() example
<?php
$array = new SplFixedArray ( 5 );
echo $array -> getSize (). "\n" ;
$array -> setSize ( 10 );
echo $array -> getSize (). "\n" ;
?>
以上例程会输出:
5 10