php - Create an array within an array using a string from key -


i can't past making think 2d array in php. i'm using csv source input , want take 1 of columns , split array well.

$csv = array_map("str_getcsv", file("data/data.csv", file_skip_empty_lines)); $keys = array_shift($csv);  foreach ($csv $i => $row) {      $csv[$i] = array_combine($keys, $row);      $linkto  = $csv[$i]['linkto'];     // $linktoarray = explode(" ", $linkto);      echo '<pre>';     // print_r($linktoarray);     echo '</pre>';      $csv[$i] = array_combine($keys, $row);  }  $csv['timestamp'] = time();  echo '<pre>'; print_r($csv); echo '</pre>';

will output:

array (     [0] => array         (             [color] => 1             [shape] => 0             [label] => string             [size] => 1             [linkto] => 1 2 3         )...

using similar commented out, i'd love see like:

array (     [0] => array         (             [color] => 1             [shape] => 0             [label] => string             [size] => 1             [linkto] => array                 (                     [0]=>1                     [1]=>2                     [2]=>3                 )         )...

however, right i'm getting array before containing array. pardon ignorance, haven't had experience past front-end. suggestions? i'm sure has been explained before, can't find right terminology utilize search.

it's straight forward. need this:

$linkto  = $csv[$i]['linkto']; $linktoarray = explode(" ", $linkto); $csv[$i]['linkto'] = $linktoarray;

after having read through code again, seem struggling concept of foreach. when use foreach don't access $csv[$i] have, use $row. try like:

//the & symbol means changes made $row inside foreach apply outside foreach. foreach($csv $i => &$row) {     $row['linkto'] = explode(" ", $row['linkto']); }

that should need, none of array_combine stuff.


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