Should the interaction between PHP and the servlet be handled directly or through a separate mechanism?

The interaction between PHP and a servlet can be handled directly by making HTTP requests from PHP to the servlet. However, using a separate mechanism like a REST API can provide a more structured and scalable way to communicate between the two technologies. This approach can also make it easier to handle different types of data exchange and maintain separation of concerns. 

// Example PHP code snippet using a REST API to interact with a servlet
$url = 'http://example.com/api/servlet_endpoint';
$data = array('key1' => 'value1', 'key2' => 'value2');

$options = array(
    'http' => array(
        'header'  => "Content-type: application/x-www-form-urlencoded\r\n",
        'method'  => 'POST',
        'content' => http_build_query($data)
    )
);

$context  = stream_context_create($options);
$response = file_get_contents($url, false, $context);

if ($response === false) {
    echo 'Error communicating with servlet';
} else {
    echo 'Response from servlet: ' . $response;
}

Keywords

PHP servlet interaction mechanism handling

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