{% set zones = {
    'header': 'En-tête',
    'slider': 'Carousel',
    'bottom-header': 'Sous le carousel',
    'block_1': 'Zone 1',
    'block_2': 'Zone 2',
    'block_3': 'Zone 3',
    'block_4': 'Zone 4',
    'block_5': 'Zone 5',
    'footer': 'Pied de page'
} %}
{% set zonesArray = zones|keys %}