SplFixedArray
PHP Manual

SplFixedArray::setSize

Change the size of an array

Description

public bool SplFixedArray::setSize(int $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.

Parameters

size

The new array size. This should be a value between 0 and PHP_INT_MAX.

Return Values

Returns true on success or false on failure.

Errors/Exceptions

Throws InvalidArgumentException when size is less than zero.

Raises E_WARNING when size cannot be used as a number.

Examples

Example #1 SplFixedArray::setSize example

<?php
   $array = new SplFixedArray(5);
   echo $array->getSize()."\n";
   $array->setSize(10);
   echo $array->getSize()."\n";
?>

The above example will output:

5
10