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<h1>Display Group Data is extremely Simple:</h1>
<?php
// Create the metabox
`$meta_boxes[] = array
    (
  	'title' => 'Questions',
		'pages' => 'people',
		'fields' => array
		(
			array
			(
				'id' => 'gp', // this is the group ID not the group fields ID!!!
				'name' => '',
				'type' => 'group',
				'repeatable' => true,
				'sortable' => true,
				'fields' => $group_fields
			)
		)
    );`

// gp is the group id
// the last parameter must be set to false as it not single
$question_group = get_post_meta( $post->ID, 'gp', FALSE );


// Loop Through The Fields Group
foreach ($question_group as $q) 
{
    echo $q['question']; // The Question field
    echo $q['answer']; // The Answer Field
}
?>

<h1> Display Repeating Fields</h1>

<?php
/* phone is the field id, do not use field name because 
field name refers to the title displayed above the field */
$phones = get_post_meta( $post->ID, 'phone', FALSE );

// Display Number(s)
echo '<p><strong>Phone Number(s)</strong><br/>';
       foreach ($phones as $number) {
       		echo $number.' ';
       	}
echo '</p>';
?>

<h1>Displaying Single Fields</h1>
<?php
$first_name = get_post_meta( $post->ID, 'first_name', TRUE ); 
// Set to true because its not a repeating field and true means its single

echo '<h3>'.$first_name.' '.$last_name.'</h3>';
?>