Get value from key in an array in PHP

Question

I have the following array in PHP:

Array
(
    [0] => Array
        (
            [name] => category
            [value] => OUT
        )
    [1] => Array
        (
            [name] => Name_Fr
            [value] => p
        )
...

How can I get the value if I know the name ?

I tried:

$value = $array['name']['Name_Fr'];

Thanks.

Mark Baker · Accepted Answer · 2015-01-25 22:21:18Z

2

If you're running PHP 5.5, you can do a lot with array_column(), such as:

$newArray = array_column($oldArray, 'value', 'name');
$value = $newArray[$knownName];

or even (using array dereferencing):

$value = array_column($oldArray, 'value', 'name')[$knownName];

For earlier versions of PHP, you could do something like:

$value = array_filter(
    $oldArray, 
    function ($value) use ($knownName) { 
        return $value['name'] == $knownName; 
    }
);
$value = array_shift($value);
echo $value['value'], PHP_EOL;

edited Jan 25, 2015 at 22:21

answered Jan 25, 2015 at 22:09

Mark Baker

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Comments

Coloured Panda · Accepted Answer · 2015-01-25 22:07:28Z

2

You would have to loop through all indexes finding where the names match.

answered Jan 25, 2015 at 22:07

Coloured Panda

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Comments

omarsafwany · Accepted Answer · 2015-01-25 22:08:49Z

1

since it's an array of arrays, a loop would help you do so.

foreach($arrays as $array)
{
  $value = $array[value]
}

answered Jan 25, 2015 at 22:08

omarsafwany

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