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
<?php
$array = new SplFixedArray(5);
$array[1] = 2;
$array[4] = "foo";
foreach($array as $v) {
var_dump($v);
}
?>The above example will output:
NULL
int(2)
NULL
NULL
string(3) "foo"← SplFixedArray
SplFixedArray::count →
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