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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=> 2=> 3));

var_dump($fa);

$fa SplFixedArray::fromArray(array(=> 1=> 2=> 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)
}