$eq = new MLPHP\ElementQueryConstraint('title', 'title', 'http://my/namespace'); // Set element namespace $options6->addConstraint($eq); // Add the constraint to the Options object $options6->write('options6'); // Write the search options to the database // Read the options from the database and display echo "Element-query constraint:\n\n"; echo htmlspecialchars($options6->read('options6')); echo "\n\n"; // Various options $options7 = new MLPHP\Options($client); // Create an Options object (passing the REST client object) $options7->setConcurrencyLevel(16); // Set concurrency level $options7->setPageLength(20); // Set page length $options7->setQualityWeight(0.5); // Set quality weight $options7->write('options7'); // Write the search options to the database // Read the options from the database and display echo "Various options:\n\n"; echo htmlspecialchars($options7->read('options7')); echo "\n\n"; // More options $options8 = new MLPHP\Options($client); // Create an Options object (passing the REST client object) $options8->setReturnConstraints('true'); // Return constraints $options8->setReturnFacets('false');