Envoyer resultat requete SQL par mail en PHP

<h4><?php echo $service['nom_service']; ?></h4>
		
<?php
		
// ----------------------------------------------------------------------------------
// Requête pour obtenir les agents par services et par N+2
// ----------------------------------------------------------------------------------
		
$agent_info = $bdd->prepare('SELECT agents.prenom AS prenom, agents.nom AS nom, ctrl.matri AS agent_matricule
FROM agents INNER JOIN ctrl ON agents.matri = ctrl.matri INNER JOIN services ON agents.service_code = services.service_code
WHERE services.service_code =? AND lecteur ="*PCO" OR "" GROUP BY ctrl.matri');

$agent_info->execute(array($service_code)) or die (print_r$agent_info->errorInfo()));

while ($agent = $agent_info->fetch())
{
     $agent_matricule = $agent['agent_matricule'];
?>
<h5><?php echo $agent['prenom']. ' ' . $agent['nom'];?></h5>	
		
<?php
				
// -------------------------------------------------------------------------
// Requête pour obtenir le nombre de correction par agent et par jour
// -------------------------------------------------------------------------
				
$correction_info = $bdd->prepare('SELECT COUNT(date) AS nb_correction, date
FROM ctrl
WHERE ctrl.matri =? AND lecteur ="*PCO" OR "" GROUP BY date');

$correction_info->execute(array($agent_matricule)) or die (print_r($req->errorInfo()));

while ($correction = $correction_info->fetch())
{
     if ($correction['nb_correction'] == 1) // Condition pour afficher le mot "correction" avec ou sans "s" selon le cas.
{
?>
<p>Le <?php echo $correction['date']. ', <em>' . $correction['nb_correction']. ' correction.</em>';?></p>
<?php
 }
else
{
     ?>
     <p>Le <?php echo $correction['date']. ', <em>' . $correction['nb_correction']. ' corrections.</em>';?></p>
<?php
 }
     }
$correction_info->closeCursor();
   }
$agent_info->closeCursor();
}
mail('totot@toto.fr','Controle pointage',$message);