(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplFixedArray::fromArray — Import a PHP array in a SplFixedArray instance
Import the PHP array array
in a new SplFixedArray instance
arrayThe array to import.
preserveKeysTry to save the numeric indexes used in the original array.
Returns an instance of SplFixedArray containing the array content.
示例 #1 SplFixedArray::fromArray() example
<?php
$fa = SplFixedArray::fromArray(array(1 => 1, 0 => 2, 3 => 3));
var_dump($fa);
$fa = SplFixedArray::fromArray(array(1 => 1, 0 => 2, 3 => 3), false);
var_dump($fa);
?>
以上例程會(huì )輸出：
object(SplFixedArray)#1 (4) {
[0]=>
int(2)
[1]=>
int(1)
[2]=>
NULL
[3]=>
int(3)
}
object(SplFixedArray)#2 (3) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
}