Php/docs/splfixedarray.fromarray

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SplFixedArray::fromArray

(PHP 5 >= 5.3.0, PHP 7)

SplFixedArray::fromArrayImport 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)
}