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<?php
 
$arr = Array(
    0 => Array(
        'QID' => 'Q1234',
        'MgrQID' => 'Array()',
        'NTID' => 'xxxxx',
        'MgrNTID' => 'xxxx',
        'title' => 'xxxx',
        'MgrName' => 'xxxx',
        'name' => 'Bob Jones',
        'class' => 'level1',
        'CountOfDirects' => '9',
        'children' => Array(
            0 => Array(
                'QID' => 'Q56789',
                'MgrQID' => '1234',
                'NTID' => 'xxxx',
                'MgrNTID' => 'xxxx',
                'title' => 'xxxx',
                'MgrName' => 'xxxx',
                'name' => 'Tim Cook',
                'class' => 'level2',
                'CountOfDirects' => '0',
                'children' => Array()
            ),
            1 => Array(
                'QID' => 'Q5678',
                'MgrQID' => 'Q1234',
                'NTID' => 'xxxxx',
                'MgrNTID' => 'xxxx',
                'title' => 'xxxx',
                'MgrName' => 'xxxx',
                'name' => 'Bob Tom',
                'class' => 'level2',
                'CountOfDirects' => '0',
                'children' => Array()
            ),
            2 => Array(
                'QID' => 'Q9999',
                'MgrQID' => 'Q1234',
                'NTID' => 'xxxx',
                'MgrNTID' => 'xxxx',
                'title' => 'xxxx',
                'MgrName' => 'xxxx',
                'name' => 'xxxx',
                'class' => 'level2',
                'CountOfDirects' => '0',
                'children' => Array()
            ),
            3 => Array(
                'QID' => 'Q6665',
                'MgrQID' => 'Q1234',
                'NTID' => 'xxxx',
                'MgrNTID' => 'xxxx',
                'title' => 'xxxx',
                'MgrName' => 'xxxx',
                'name' => 'xxxx',
                'class' => 'level2',
                'CountOfDirects' => '6',
                'children' => Array(
                    0 => Array(
                        'QID' => 'Q4322',
                        'MgrQID' => 'Q6665',
                        'NTID' => 'xxxx',
                        'MgrNTID' => 'xxxx',
                        'title' => 'xxxx',
                        'MgrName' => 'xxxx',
                        'name' => 'xxxx',
                        'class' => 'level3',
                        'CountOfDirects' => '0',
                        'children' => Array()
                    ),
                    1 => Array(
                        'QID' => 'Q3333',
                        'MgrQID' => 'Q6665',
                        'NTID' => 'xxxx',
                        'MgrNTID' => 'xxxx',
                        'title' => 'xxxx',
                        'MgrName' => 'xxxx',
                        'name' => 'xxxx',
                        'class' => 'level3',
                        'CountOfDirects' => '0',
                        'children' => Array()
                    ),
                ),
            ),
        ),
    ),
);
 
function setLevel(&$arr, $level)
{
    foreach ($arr as &$element) {
        $element['class'] = 'level-' . $level;
        setLevel($element['children'], $level + 1);
    }
}
 
setLevel($arr, 1);
 
print_r($arr);

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Success #stdin #stdout 0.01s 82880KB

stdin

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Standard input is empty

stdout

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https://ideone.com/OvyGLV

language:

PHP (php 7.3.5)

created:

visibility:

public

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