如何遍历数组并将每个元素作为参数传递给php中的构造函数

Question

I want to loop through an array and get each element to pass as parameters to a constructor. here is my example

[user_by_province] => Array
    (
        [label] => Array
            (
                [0] => a
                [1] => b
                [2] => c
                [3] => d
                [4] => e
                [5] => f
            )

        [count] => Array
            (
                [0] => 2
                [1] => 1
                [2] => 1
                [3] => 1
                [4] => 7
                [5] => 1
            )

    )

Here is the constructor:

$pc = new C_PhpChartX(array(array('a','2'),
                            array('b','1'),
                            array('c','1'),
                            array('d','1'),
                            array('e','7'),
                            array('f','1')));

so how can i do that with php thanks for any help, may we can do that with array_map or no? thanks for any help

Answer 1

As you suggested array_map with multiple arguments could be a good solution.

<?php

$userByProvince = array(
    'label' => array('a', 'b', 'c', 'd', 'e', 'f'),
    'count' => array('1', '2', '3', '4', '5', '6'),
);

function combine($arg1, $arg2)
{
    return array($arg1, $arg2);
}

$arguments = array_map('combine', $userByProvince['label'], $userByProvince['count']);

$pc = new C_PhpChartX($arguments);

If you are using PHP 5.3 you can even substitute the function with a lambda expression to make the code more compact (see docs).