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SplFixedArray::__construct

(PHP 5 >= 5.3.0, PHP 7)

SplFixedArray::__construct — Constructs a new fixed array

Description

public SplFixedArray::__construct ( int $size = 0 )

Initializes a fixed array with a number of NULL values equal to size.

Parameters

size

The size of the fixed array. This expects a number between 0 and PHP_INT_MAX.

Return Values

No value is returned.

Errors/Exceptions

Throws InvalidArgumentException when size is a negative number.

Raises E_WARNING when size cannot be parsed as a number.

Examples

Example #1 SplFixedArray::__construct() example

代码语言:javascript
复制
<?php
$array?=?new?SplFixedArray(5);

$array[1]?=?2;
$array[4]?=?"foo";

foreach($array?as?$v)?{
??var_dump($v);
}
?>

The above example will output:

代码语言:javascript
复制
NULL
int(2)
NULL
NULL
string(3) "foo"

← SplFixedArray

SplFixedArray::count →

代码语言:txt
复制
 ? 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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