php recursive array merging

Question

I have 2 arrays:

$bigArr = array(
    'simple'=>1
    'advanced'=>array(
        'advanceSimple'=>1,
        'advanceadvance'=>array(
            'simple'=>1
        )  
    )
)

$overide = array(
    'advanced'=>array(
        'advanceSimple'=>2,
        'extra'=>5
    )
)

the merge of those 2 should be:

$bigArr = array(
    'simple'=>1
    'advanced'=>array(
        'advanceSimple'=>2,
        'extra'=>5,
        'advanceadvance'=>array(
            'simple'=>1
        )  
    )
)

you see that the overiden of the small array will overide only where the keys exist, and will add data where it doesnt exist.

I tried many ways of recursive iterator and loops, but still no go.

Do you have any ideas or similar workarounds.

Have you tried using array_merge?

Karl
– Karl

2013-10-21 13:17:59 +00:00
Commented Oct 21, 2013 at 13:17 — Karl
– Karl, Commented Oct 21, 2013 at 13:17
may be what you need is array_merge_recursive

ohmygirl
– ohmygirl

2013-10-21 13:23:03 +00:00
Commented Oct 21, 2013 at 13:23 — ohmygirl
– ohmygirl, Commented Oct 21, 2013 at 13:23

ohmygirl · Accepted Answer · 2013-10-21 13:25:22Z

1

$bigArr = array(
    'simple'=>1,
    'advanced'=>array(
        'advanceSimple'=>1,
        'advanceadvance'=>array(
            'simple'=>1
        )  
    )
);
$overide = array(
    'advanced'=>array(
        'advanceSimple'=>2,
        'extra'=>5
    )
);
$res = array_merge_recursive($bigArr,$overide);

is that what you need?

answered Oct 21, 2013 at 13:25

ohmygirl

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1 Comment

Svetoslav Over a year ago

its not as the required result.. advanceSimple becomes array with entries.. instead of integer

Svetoslav · Accepted Answer · 2013-10-21 13:32:56Z

0

Answer for PHP 5.3 +

$bigArr = array(
    'simple'=>1,
    'advanced'=>array(
        'advanceSimple'=>1,
        'advanceadvance'=>array(
            'simple'=>1
        )
    )
);
$overide = array(
    'advanced'=>array(
        'advanceSimple'=>2,
        'extra'=>5
    )
);
$array = array_replace_recursive($bigArr,$overide);
echo "<pre>";
print_R($array);

answered Oct 21, 2013 at 13:32

Svetoslav

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