Php/docs/arrayobject.construct
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ArrayObject::__construct
(PHP 5, PHP 7)
ArrayObject::__construct — Construct a new array object
说明
public ArrayObject::__construct
([ mixed $input = array()
[, int $flags = 0
[, string $iterator_class = "ArrayIterator"
]]] )
This constructs a new array object.
参数
input- The
inputparameter accepts an array or an Object. flags- Flags to control the behaviour of the ArrayObject object. See ArrayObject::setFlags().
iterator_class- Specify the class that will be used for iteration of the ArrayObject object.
返回值
Returns an ArrayObject object on success.
错误／异常
Throws InvalidArgumentException when:
-
inputis not an array or object -
flagsis not an integer -
iterator_classis not an object that implements Iterator
范例
Example #1 ArrayObject::__construct() example
<?php$array = array('1' => 'one', '2' => 'two', '3' => 'three');$arrayobject = new ArrayObject($array);var_dump($arrayobject);?>
以上例程会输出：
object(ArrayObject)#1 (3) {
[1]=>
string(3) "one"
[2]=>
string(3) "two"
[3]=>
string(5) "three"
}
