PHP - trim values of arrays in array

Question

I am trying to trim all values of arrays, which are located in an array, but so far I am not able to use array_walk_recursive properly - the values aren't trimmed after the array_walk_recursive is run. (in this case $test is returning true) This is my code so far:

$array = [

    [
      'component' => 'string          ',
      'productID' => 1,
      'no_cas' => '85085-34-3',
      'no_einecs' => '285-364-0',
      'isComponent' => true

    ],
    [
      'component' => 'string2       ',
      'productID' => 2,
      'no_cas' => '92128-34-2',
      'no_einecs' => '295-728-0',
      'isComponent' => true
    ],

];

function trimAll($item, $key){
    return trim($item);
}

$test = array_walk_recursive($array, 'trimAll');

var_dump('<pre>', $test , '</pre>');die;

And array_walk_recursive returns bool. Print $array instead. — u_mulder
– u_mulder, Commented Jan 27, 2018 at 19:30
@NiettheDarkAbsol Post that as an answer so Sasha can accept and close out his question :) — IncredibleHat
– IncredibleHat, Commented Jan 27, 2018 at 19:32

axiac · Accepted Answer · 2018-01-27 20:27:30Z

1

I would use:

array_map(
    function(array $a) {
        return array_map('trim', $a);
    },
    $array
);

answered Jan 27, 2018 at 20:27

axiac

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