<?php
function writeSecretSentence(string $PARAMETRE_1, string $PARAMETRE_2)
{
    $secretSentence = "$PARAMETRE_1 s'incline face à $PARAMETRE_2";

    return $secretSentence;
}

$mots1 = 'Le Chat';
$mots2 = 'la Lune';

echo writeSecretSentence($mots1, $mots2);