<?php 
/*************** REGIONS ****************/ 
$t_regions = array(); 
$t_regions['Alsace'] = '67,68'; 
$t_regions['Aquitaine'] = '24,33,40,47,64'; 
$t_regions['Auvergne'] = '03,15,43,63'; 
$t_regions['Basse-Normandie'] = '14,50,61'; 
$t_regions['Bourgogne'] = '21,58,71,89'; 
$t_regions['Bretagne'] = '22,29,35,56'; 
$t_regions['Centre'] = '18,28,36,37,41,45'; 
$t_regions['Champagne-Ardenne'] = '08,10,51,52'; 
$t_regions['Corse'] = '2A,2B'; 
$t_regions['Franche-Comté'] = '25,39,70,90'; 
$t_regions['Haute-Normandie'] = '27,76'; 
$t_regions['Ile-de-France'] = '75,77,78,91,92,93,94,95'; 
$t_regions['Languedoc-Roussillon'] = '11,30,34,48,66'; 
$t_regions['Limousin'] = '19,23,87'; 
$t_regions['Lorraine'] = '54,55,57,88'; 
$t_regions['Midi-Pyrénées'] = '09,12,31,32,46,65,81,82'; 
$t_regions['Nord-Pas-de-Calais'] = '59,62'; 
$t_regions['Pays de la Loire'] = '44,49,53,72,85'; 
$t_regions['Picardie'] = '02,60,80'; 
$t_regions['Poitou-Charentes'] = '16,17,79,86'; 
$t_regions['Provence-Alpes-Côte-d\'Azur'] = '04,05,06,13,83,84'; 
$t_regions['Rhône-Alpes'] = '01,07,26,38,42,69,73,74'; 
$t_regions['DOM'] = '971,972,973,974'; 
?>

<?php 
/************* DEPARTEMENTS *************/ 
$t_departements = array(); 
$t_departements['01'] = 'Ain'; 
$t_departements['02'] = 'Aisne'; 
$t_departements['03'] = 'Allier'; 
$t_departements['04'] = 'Alpes-de-Haute-Provence';
$t_departements['05'] = 'Hautes-Alpes'; 
$t_departements['06'] = 'Alpes-Maritimes'; 
$t_departements['07'] = 'Ardèche';
$t_departements['08'] = 'Ardennes';
$t_departements['09'] = 'Ariège'; 
$t_departements['10'] = 'Aube'; 
$t_departements['11'] = 'Aude';
$t_departements['12'] = 'Aveyron';
$t_departements['13'] = 'Bouches-du-Rhône';
$t_departements['14'] = 'Calvados'; 
$t_departements['15'] = 'Cantal';
$t_departements['16'] = 'Charente'; 
$t_departements['17'] = 'Charente-Maritime';
$t_departements['18'] = 'Cher'; 
$t_departements['19'] = 'Corrèze'; 
$t_departements['21'] = 'Côte-d\'Or'; 
$t_departements['22'] = 'Côtes-d\'Armor';
$t_departements['23'] = 'Creuse'; 
$t_departements['24'] = 'Dordogne'; 
$t_departements['25'] = 'Doubs'; 
$t_departements['26'] = 'Drôme'; 
$t_departements['27'] = 'Eure'; 
$t_departements['28'] = 'Eure-et-Loir'; 
$t_departements['29'] = 'Finistère'; 
$t_departements['30'] = 'Gard'; 
$t_departements['31'] = 'Haute-Garonne'; 
$t_departements['32'] = 'Gers'; 
$t_departements['33'] = 'Gironde'; 
$t_departements['34'] = 'Hérault'; 
$t_departements['35'] = 'Ille-et-Vilaine'; 
$t_departements['36'] = 'Indre'; 
$t_departements['37'] = 'Indre-et-Loire'; 
$t_departements['38'] = 'Isère'; 
$t_departements['39'] = 'Jura'; 
$t_departements['40'] = 'Landes'; 
$t_departements['41'] = 'Loir-et-Cher'; 
$t_departements['42'] = 'Loire'; 
$t_departements['43'] = 'Haute-Loire'; 
$t_departements['44'] = 'Loire-Atlantique'; 
$t_departements['45'] = 'Loiret'; 
$t_departements['46'] = 'Lot'; 
$t_departements['47'] = 'Lot-et-Garonne'; 
$t_departements['48'] = 'Lozère'; 
$t_departements['49'] = 'Maine-et-Loire'; 
$t_departements['50'] = 'Manche'; 
$t_departements['51'] = 'Marne'; 
$t_departements['52'] = 'Haute-Marne'; 
$t_departements['53'] = 'Mayenne'; 
$t_departements['54'] = 'Meurthe-et-Moselle';
$t_departements['55'] = 'Meuse'; 
$t_departements['56'] = 'Morbihan'; 
$t_departements['57'] = 'Moselle'; 
$t_departements['58'] = 'Nièvre'; 
$t_departements['59'] = 'Nord'; 
$t_departements['60'] = 'Oise'; 
$t_departements['61'] = 'Orne'; 
$t_departements['62'] = 'Pas-de-Calais'; 
$t_departements['63'] = 'Puy-de-Dôme'; 
$t_departements['64'] = 'Pyrénées-Atlantiques'; 
$t_departements['65'] = 'Hautes-Pyrénées'; 
$t_departements['66'] = 'Pyrénées-Orientales'; 
$t_departements['67'] = 'Bas-Rhin'; 
$t_departements['68'] = 'Haut-Rhin'; 
$t_departements['69'] = 'Rhône'; 
$t_departements['70'] = 'Haute-Saône'; 
$t_departements['71'] = 'Saône-et-Loire'; 
$t_departements['72'] = 'Sarthe'; 
$t_departements['73'] = 'Savoie'; 
$t_departements['74'] = 'Haute-Savoie';
$t_departements['75'] = 'Paris'; 
$t_departements['76'] = 'Seine-Maritime'; 
$t_departements['77'] = 'Seine-et-Marne'; 
$t_departements['78'] = 'Yvelines'; 
$t_departements['79'] = 'Deux-Sèvres'; 
$t_departements['80'] = 'Somme'; 
$t_departements['81'] = 'Tarn'; 
$t_departements['82'] = 'Tarn-et-Garonne';
$t_departements['83'] = 'Var'; 
$t_departements['84'] = 'Vaucluse'; 
$t_departements['85'] = 'Vendée'; 
$t_departements['86'] = 'Vienne'; 
$t_departements['87'] = 'Haute-Vienne'; 
$t_departements['88'] = 'Vosges'; 
$t_departements['89'] = 'Yonne'; 
$t_departements['90'] = 'Territoire de Belfort'; 
$t_departements['91'] = 'Essonne'; 
$t_departements['92'] = 'Hauts-de-Seine'; 
$t_departements['93'] = 'Seine-Saint-Denis'; 
$t_departements['94'] = 'Val-de-Marne'; 
$t_departements['95'] = 'Val-d\'Oise'; 
$t_departements['971'] = 'Guadeloupe'; 
$t_departements['972'] = 'Martinique'; 
$t_departements['973'] = 'Guyane'; 
$t_departements['974'] = 'La Réunion';
$t_departements['2A'] = 'Corse-du-Sud'; 
$t_departements['2B'] = 'Haute-Corse'; 
?>

<?php
/****** CREATION D'UN SELECT ******/ 
$t_regions_explode = array(); 

foreach($t_regions as $cle=>$valeur){
	
	$t_regions_explode[$cle] = explode(',', $valeur);

}

echo '<select name="departement">';

foreach($t_regions_explode as $cle=>$valeur){
	
	echo "\n\t".'<optgroup label="'.$cle.'">';
	
	foreach($t_regions_explode[$cle] as $cle=>$valeur){
		
		echo "\n\t\t".'<option value="'.$valeur.'">'.$valeur.' - '.$t_departements[$valeur].'</option>'."\n\t\t";
	
	}
	
	echo "\n\t".'</optgroup>';
	
}
	
echo "\n".'</select>'."\n";
	
?>