echo PHP_EOL;
}
} else {
echo 'Error in the concept tagging call: ', $response['statusInfo'];
}
echo PHP_EOL;
echo PHP_EOL;
echo PHP_EOL;
echo '############################################', PHP_EOL;
echo '# Relation Extraction Example #', PHP_EOL;
echo '############################################', PHP_EOL;
echo PHP_EOL;
echo PHP_EOL;
echo 'Processing text: ', $demo_text, PHP_EOL;
echo PHP_EOL;
$response = $alchemyapi->relations('text', $demo_text, null);
if ($response['status'] == 'OK') {
echo '## Response Object ##', PHP_EOL;
echo print_r($response);
echo PHP_EOL;
echo '## Relations ##', PHP_EOL;
foreach ($response['relations'] as $relation) {
if (array_key_exists('subject', $relation)) {
echo 'Subject: ', $relation['subject']['text'], PHP_EOL;
}
if (array_key_exists('action', $relation)) {
echo 'Action: ', $relation['action']['text'], PHP_EOL;
}
if (array_key_exists('object', $relation)) {
echo 'Object: ', $relation['object']['text'], PHP_EOL;
}
assert($response['status'] == 'ERROR');
//invalid flavor
echo 'Language tests complete!', PHP_EOL, PHP_EOL;
//Title
echo 'Checking title . . . ', PHP_EOL;
$response = $alchemyapi->title('text', $test_text, null);
assert($response['status'] == 'ERROR');
//title only works on html and url content
$response = $alchemyapi->title('html', $test_html, null);
assert($response['status'] == 'OK');
$response = $alchemyapi->title('url', $test_url, null);
assert($response['status'] == 'OK');
echo 'Title tests complete!', PHP_EOL, PHP_EOL;
//Relations
echo 'Checking relations . . . ', PHP_EOL;
$response = $alchemyapi->relations('text', $test_text, null);
assert($response['status'] == 'OK');
$response = $alchemyapi->relations('html', $test_html, null);
assert($response['status'] == 'OK');
$response = $alchemyapi->relations('url', $test_url, null);
assert($response['status'] == 'OK');
$response = $alchemyapi->relations('random', $test_url, null);
assert($response['status'] == 'ERROR');
//invalid flavor
echo 'Relations tests complete!', PHP_EOL, PHP_EOL;
//Category
echo 'Checking category . . . ', PHP_EOL;
$response = $alchemyapi->category('text', $test_text, null);
assert($response['status'] == 'OK');
$response = $alchemyapi->category('html', $test_html, array('url' => 'test'));
assert($response['status'] == 'OK');
