<?php
foreach ($attribute_groups as $attribute_group) {
echo $attribute_group['name'];
print_r($attribute_group);
echo '<select name="listaGrupe">';
foreach ($attribute_groups['attribute'] as $attribute) {
echo '<option value="'.$attribute.'">'.$attribute.'</option>';
}
echo '</select>';
}

?>

foreach ($attribute_groups as $attribute_group) {
$options = '';
$name = $attribute_group['name'];
$output = '<select name="$name">';
foreach ($attribute_groups['attribute'] as $attribute) {
$options .= '<option value="'.$attribute.'">'.$attribute.'</option>';
}
echo $output.$options.'</select>';
}

if(!empty($attribute_groups)){
foreach ($attribute_groups as $attribute_group) {
$options = '';
$name = $attribute_group['name'];
$output = '<select name="$name">';
foreach ($attribute_groups['attribute'] as $attribute) {
$options .= '<option value="'.$attribute.'">'.$attribute.'</option>';
}
echo $output.$options.'</select>';
}
}