```php
<?php
// handle incoming messages from the chatbot interface
$input = json_decode(file_get_contents('php://input'), true);
if(isset($input['message'])) {
$message = $input['message'];
// process the user's message and generate a response
$response = processMessage($message);
// Send the response back to the frontend
echo json_encode(array('response' => $response));
}
function processMessage($message) {
// Implement logic to interpret the user's message and generate a response
// Example: search for matches based on the user's preferences
$matches = searchMatches($message['text']);
// Generate a response based on the search results
if(!empty($matches)) {
$response = 'Here are some matches that meet your criteria:';
foreach($matches as $match) {
$response .= "\n- " . $match['name'] . ' (' . $match['age'] . ', ' . $match['location'] . ')';
}
} else {
$response = 'Sorry, no matches were found.';
}
return $response;
}
function searchMatches($query) {
// Implement logic to search for matches in the database based on the user's query
// This is just a placeholder function, you would need to replace it with your own database query
// Example: SELECT * FROM profiles WHERE gender = 'male' AND age <= 30 AND location = 'Delhi'
// Execute the query and return the results
}
?>
```</?php
>
