<option <?php if ($heure_debut_periode == "00") echo "selected"; ?> >00</option>
<option <?php if ($heure_debut_periode == "01") echo "selected"; ?> >01</option>
<option <?php if ($heure_debut_periode == "02") echo "selected"; ?> >02</option>
<option <?php if ($heure_debut_periode == "03") echo "selected"; ?> >03</option>
<option <?php if ($heure_debut_periode == "04") echo "selected"; ?> >04</option>
<option <?php if ($heure_debut_periode == "05") echo "selected"; ?> >05</option>
<option <?php if ($heure_debut_periode == "06") echo "selected"; ?> >06</option>
<option <?php if ($heure_debut_periode == "07") echo "selected"; ?> >07</option>
<option <?php if ($heure_debut_periode == "08") echo "selected"; ?> >08</option>
<option <?php if ($heure_debut_periode == "09") echo "selected"; ?> >09</option>
<option <?php if ($heure_debut_periode == "10") echo "selected"; ?> >10</option>
<option <?php if ($heure_debut_periode == "11") echo "selected"; ?> >11</option>
<option <?php if ($heure_debut_periode == "12") echo "selected"; ?> >12</option>
<option <?php if ($heure_debut_periode == "13") echo "selected"; ?> >13</option>
<option <?php if ($heure_debut_periode == "14") echo "selected"; ?> >14</option>
<option <?php if ($heure_debut_periode == "15") echo "selected"; ?> >15</option>
<option <?php if ($heure_debut_periode == "16") echo "selected"; ?> >16</option>
<option <?php if ($heure_debut_periode == "17") echo "selected"; ?> >17</option>
<option <?php if ($heure_debut_periode == "18") echo "selected"; ?> >18</option>
<option <?php if ($heure_debut_periode == "19") echo "selected"; ?> >19</option>
<option <?php if ($heure_debut_periode == "20") echo "selected"; ?> >20</option>
<option <?php if ($heure_debut_periode == "21") echo "selected"; ?> >21</option>
<option <?php if ($heure_debut_periode == "22") echo "selected"; ?> >22</option>
<option <?php if ($heure_debut_periode == "23") echo "selected"; ?> >23</option>
