Preg_match_all array

<?php
$url = "http://sortir.besancon.fr/events/liste"; // adresse de la page à exploiter
$source = file_get_contents($url);

function debug($datas,$title=""){
echo "<br><b>$title</b><pre>";
print_r($datas);
echo "</pre>";

}

function getDataRow($varname,$index,$item=0){
 $result = "";
 if(!empty($varname) && isset($varname[$item])){
   $result = isset($varname[$item][$index]) ? $varname[$item][$index] : '';
 }
 return $result;
}

$resultat = preg_match_all('#<span class="tribe-event-date-start">\s*(.*)\s*</span> -#', $source, $eventstart);
debug($eventstart,"eventstart");

$resultat = preg_match_all('#<span class="tribe-event-date-end">\s*(.*)\s*</span>#', $source, $eventend);
debug($eventend,"eventend");

$resultat = preg_match_all('#<a class="tribe-event-url" href="(.*)" rel="nofollow noopener noreferrer" target="_blank" title="(.*)">\s*(.*)\s*</a>#', $source, $event);
debug($event,"event");

$resultat = preg_match_all('#<span class="tribe-street-address">\s*(.*)\s*</span>#', $source, $rue);
debug($rue,"rue");

$resultat = preg_match_all('#<span class="tribe-locality">\s*(.*)\s*</span>#', $source, $ville);
debug($ville,"ville");

echo " ----------TABLEAU -------------";
echo "<table style='border: 1px solid black'>";
for($i=0;$i<count($eventstart);$i++){
 echo "<tr>";
 echo "<td>". getDataRow($eventstart,$i,1) ."</td>";
 echo "<td>". getDataRow($eventend,$i) ."</td>";
 echo "<td>". getDataRow($event,$i) ."</td>";
 echo "<td>". getDataRow($rue,$i) ."</td>";
 echo "<td>". getDataRow($ville,$i) ."</td>";
 echo "</tr>"; 
}
echo "</table>";

?>