SplFixedArray::setSize

(PHP 5 >= 5.3.0, PHP 7)

SplFixedArray::setSize — Change the size of an array

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public SplFixedArray::setSize ( int $size ) : bool

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.

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

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锟缴癸拷时锟斤拷锟斤拷 TRUE锟斤拷锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE锟斤拷

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Throws InvalidArgumentException when size is less than zero.

Raises E_WARNING when size cannot be used as a number.

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Example #1 SplFixedArray::setSize() example


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

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