Create associative array from Foreach Loop PHP

Associative array in foreach statement:

foreach($nodeids as $field => $value) {

  $field_data[$field]=$value;

}

Output:

Array(
$field => $value,
$field => $value
...
);

insertion in CodeIgniter:

$res=$this->db->insert($bundle_table,$field_data);

You need to change your $aMemberships assignment

$aMemberships[] = $aMemb['Name'];

If you want an array

$aMemberships[$aMemb['ID']] = $aMemb['Name'];

if you want a map.

What you are doing is appending an array to an array.

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