SplFixedArray::__construct

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SplFixedArray::__constructConstructs a new fixed array

Descrição

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

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

Parâmetros

size

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

Erros

Throws a ValueError when size is a negative integer.

Changelog

Versão Descrição
8.0.0 Now throws a ValueError if size is a negative; previously it threw a InvalidArgumentException.

Exemplos

Exemplo #1 SplFixedArray::__construct() example

<?php
$array 
= new SplFixedArray(5);

$array[1] = 2;
$array[4] = "foo";

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

O exemplo acima irá imprimir:

NULL
int(2)
NULL
NULL
string(3) "foo"

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