Php/docs/multipleiterator.construct

来自菜鸟教程
跳转至:导航、​搜索

MultipleIterator::__construct

(PHP 5 >= 5.3.0, PHP 7)

MultipleIterator::__constructConstructs a new MultipleIterator


说明

public MultipleIterator::__construct ([ int $flags = MultipleIterator::MIT_NEED_ALL|MultipleIterator::MIT_KEYS_NUMERIC ] )

Construct a new MultipleIterator.


参数

flags

The flags to set, according to the Flag Constants.

  • MultipleIterator::MIT_NEED_ALL or MultipleIterator::MIT_NEED_ANY
  • MultipleIterator::MIT_KEYS_NUMERIC or MultipleIterator::MIT_KEYS_ASSOC

Defaults to MultipleIterator::MIT_NEED_ALL|MultipleIterator::MIT_KEYS_NUMERIC.


返回值

没有返回值。


范例

Example #1 Iterating a MultipleIterator

<?php$people = new ArrayIterator(array('John', 'Jane', 'Jack', 'Judy'));$roles  = new ArrayIterator(array('Developer', 'Scrum Master', 'Project Owner'));$team = new MultipleIterator($flags);$team->attachIterator($people, 'person');$team->attachIterator($roles, 'role');foreach ($team as $member) {    print_r($member);}?>

Output with $flags = MIT_NEED_ALL|MIT_KEYS_NUMERIC


Array
(
    [0] => John
    [1] => Developer
)
Array
(
    [0] => Jane
    [1] => Scrum Master
)
Array
(
    [0] => Jack
    [1] => Project Owner
)

Output with $flags = MIT_NEED_ANY|MIT_KEYS_NUMERIC


Array
(
    [0] => John
    [1] => Developer
)
Array
(
    [0] => Jane
    [1] => Scrum Master
)
Array
(
    [0] => Jack
    [1] => Project Owner
)
Array
(
    [0] => Judy
    [1] =>
)

Output with $flags = MIT_NEED_ALL|MIT_KEYS_ASSOC


Array
(
    [person] => John
    [role] => Developer
)
Array
(
    [person] => Jane
    [role] => Scrum Master
)
Array
(
    [person] => Jack
    [role] => Project Owner
)

Output with $flags = MIT_NEED_ANY|MIT_KEYS_ASSOC


Array
(
    [person] => John
    [role] => Developer
)
Array
(
    [person] => Jane
    [role] => Scrum Master
)
Array
(
    [person] => Jack
    [role] => Project Owner
)
Array
(
    [person] => Judy
    [role] =>
)

参见