Question

Does any on know how can I convert this

$events = array(
array("type" => "off-site", "title" => "aaa", "nid" => "11"),
array("type" => "off-site", "title" => "bbb", "nid" => "22"),
array("type" => "installation", "title" => "ccc", "nid" => "33"),
array("type" => "opening", "title" => "ddd", "nid" => "44"),
array("type" => "opening", "title" => "eee", "nid" => "55"),
array("type" => "opening", "title" => "fff", "nid" => "66")
);

into this

$events_processed = array(
"off-site" => array(
        array(
            "title" => "aaa",
            "nid" => "11"
        ),
        array(
            "title" => "bbb",
            "nid" => "22"
        )
),
"installation" => array(
        array(
            "title" => "ccc",
            "nid" => "33"
        )
),
"opening" => array(
        array(
            "title" => "ddd",
            "nid" => "44"
        ),
        array(
            "title" => "eee",
            "nid" => "55"
        ),
        array(
            "title" => "fff",
            "nid" => "66"
        )
)
);

using php?

I’ve already tried to apply different methods from different posts here but with no success.
I need the array to be nested so I can reorder the array by “type”.Hi

Answer 1

You can the code below, please note that your current output is not valid because you missed the array index …

Example 1

    $events_processed = array();
    foreach($events as $options)
    {
        $events_processed[$options['type']][] = array("title"=>$options['title'],"nid"=>$options['nid']);
    }
    var_dump($events_processed);

OR

Example 2 (@dleiftah suggestion)

    $defautKey = "type" ; 
    foreach($events as $options)
    {
        $type = $options[$defautKey] ;
        unset($options[$defautKey]);
        $events_processed[$type][] = $options;
    }
     var_dump($events_processed);

Both Result Would be Like this but number 2 is more flexible

        array
          'off-site' => 
            array
              0 => 
                array
                  'title' => string 'aaa' (length=3)
                  'nid' => string '11' (length=2)
              1 => 
                array
                  'title' => string 'bbb' (length=3)
                  'nid' => string '22' (length=2)
          'installation' => 
            array
              0 => 
                array
                  'title' => string 'ccc' (length=3)
                  'nid' => string '33' (length=2)
          'opening' => 
            array
              0 => 
                array
                  'title' => string 'ddd' (length=3)
                  'nid' => string '44' (length=2)
              1 => 
                array
                  'title' => string 'eee' (length=3)
                  'nid' => string '55' (length=2)
              2 => 
                array
                  'title' => string 'fff' (length=3)
                  'nid' => string '66' (length=2)