PHP: Get text separated by commas

Question

Hi, I have a multidimensinal array.. Something like this for example:

Array (
    [0] => Array
        (
            [title] => Star Trek - Viaje a las estrellas
            [country] => Venezuela, Spain, long title, poster title
        )

    [1] => Array
        (
            [title] => Viaje a Las Estrellas
            [country] => Venezuela
        )
)

I want to get te text between commas from [country] and insert each element into separate indexes, for example:

Array (
    [0] => Array
        (
            [title] => Star Trek - Viaje a las estrellas
            [country] => [0] => Venezuela
                         [1] => Spain
                         [2] => long title
                         [3] => poster title
        )

    [1] => Array
        (
            [title] => Viaje a Las Estrellas
            [country] => Venezuela
        )
)

Probably the array layout is incorrect but I just want to explain to you what I need to do. Note that not always [country] contains elements separated by commas, sometimes is just one single element.

How can I do it??

Thanks!

Answer 1

Try using explode() on the country element. You can use a separator of ", ", since these are comma-separated values.

One way to do it (which is similar to how others have suggested) would be:

// Assuming that $data contains your multidimensional array...
for ($i = 0; $i < count($data); $i++)
{
    if (strstr($data[$i]['country'], ', '))
    {
     $data[$i]['country'] = explode(', ', $data[$i]['country']);
    }
}

Also, note that you don't really need to use strpos()—strstr() works perfectly here.

Answer 2

You could use the preg_split function and a regular expression to split the string:

foreach ($array as $key => $item) {
    if (strpos($item['country'], ',') !== false) {  // check if string contains a comma
        $array[$key]['country'] = preg_split('/,\s*/', $item['country']);
    }
}

Answer 3

$a = Array (
    0 => Array
        (
            "title" => "Star Trek - Viaje a las estrellas",
            "country" => "Venezuela, Spain, long title, poster title"
        ),

    1 => Array
        (
            "title" => "Viaje a Las Estrellas",
            "country" => "Venezuela"
        )
);
$res = array();    
    foreach($a as $k => $v){
        foreach($v as $key => $value){
            switch($key){
                case "country":                                
                    $r = split(",", $value); 
                    foreach($r as $index => $val){
               $res[$k][$key][$index] = trim($val);
                    }
                  break;
                default:
                    $res[$k][$key] = $value;
                break;
            }
        }
    }

    print_r($res);

output:

Array
(
    [0] => Array
        (
            [title] => Star Trek - Viaje a las estrellas
            [country] => Array
                (
                    [0] => Venezuela
                    [1] => Spain
                    [2] => long title
                    [3] => poster title
                )
        )
    [1] => Array
        (
            [title] => Viaje a Las Estrellas
            [country] => Array
                (
                    [0] => Venezuela
                )
        )
)