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)
}
