SplFixedArray::fromArray
(PHP 5 >= 5.3.0, PHP 7)
SplFixedArray::fromArray — Import a PHP array in a SplFixedArray instance
说明
public static SplFixedArray::fromArray
( array
$array
[, bool $save_indexes
= TRUE
] ) : SplFixedArray
Import the PHP array array
in a new SplFixedArray instance
参数
-
array
-
The array to import.
-
save_indexes
-
Try to save the numeric indexes used in the original array.
返回值
Returns an instance of SplFixedArray containing the array content.
范例
Example #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);
?>
以上例程会输出:
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) }