PHP | SplFixedArray __construct() Function

Last Updated : 03 Oct, 2019
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The SplFixedArray::__construct() function is an inbuilt function in PHP which is used to construct a new fixed size array. Syntax: 
void SplFixedArray::__construct( $size )
Parameters: This function accepts single parameter $size which specifies the size of an array. Return Value: This function does not return any value. Below programs illustrate the SplFixedArray::__construct() function in PHP: Program 1: php 
<?php

// Create new fixed array of size 2
$gfg = new SplFixedArray(2);

$gfg[1] = "GeeksforGeeks";

// Print Result 
var_dump($gfg[0]);
var_dump($gfg[1]);

?>
Output: 
NULL
string(13) "GeeksforGeeks"
Program 2: php 
<?php

// Create new fixed array of size 8
$gfg = new SplFixedArray(8);

$gfg[2] = 5;
$gfg[4] = "gfg";
$gfg[5] = "Geeks";
$gfg[7] = "GeeksforGeeks";

// Iterate array and print its values
foreach( $gfg as $i ) {
    var_dump($i);
}
?>
Output: 
NULL
NULL
int(5)
NULL
string(3) "gfg"
string(5) "Geeks"
NULL
string(13) "GeeksforGeeks"
Reference: https://www.php.net/manual/en/splfixedarray.construct.php

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