Key & Value Arrays

  $MyKeyValueArray = array(
    'comments' => $comments_count,
    'responses' => $responses_count
  );


  //Alternative method to create the same an array:
  $MyKeyValueArray = [
    'comments' => $comments_count,
    'responses' => $responses_count
  ];

or create like this

  $MyKeyValueArray = array();
  $MyKeyValueArray['comments'] = $comments_count;
  $MyKeyValueArray['responses'] = $responses_count;

Accessing array keys and values

  foreach ($MyKeyValueArray as $Key => $Value)
  {
    echo "{$Key} => {$Value} ";
  }

  foreach ($MyArray as $Item)
  {
  }

Remove Array Value

  unset($MyArray["My index name"]);