Automattic\Jetpack\Device_Detection

User_Agent_Info::is_blackberry_tablet() │ public static │ WPSCache 1.0

The is_blackberry_tablet() method can be used to check the User Agent for a RIM blackberry tablet. The user agent of the BlackBerry® Tablet OS follows a format similar to the following: Mozilla/5.0 (PlayBook; U; RIM Tablet OS 1.0.0; en-US) AppleWebKit/534.8+ (KHTML, like Gecko) Version/0.0.1 Safari/534.8+

Method of the class: User_Agent_Info{}

No Hooks.

Return

null. Nothing (null).

Usage

$result = User_Agent_Info::is_blackberry_tablet();

User_Agent_Info::is_blackberry_tablet() code WPSCache 1.12.4

wp-super-cache/vendor/automattic/jetpack-device-detection/src/class-user-agent-info.php 
public static function is_blackberry_tablet() {

	if ( empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
		return false;
	}

	$agent          = strtolower( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- This is validating.
	$pos_playbook   = stripos( $agent, 'PlayBook' );
	$pos_rim_tablet = stripos( $agent, 'RIM Tablet' );

	if ( ( false === $pos_playbook ) || ( false === $pos_rim_tablet ) ) {
		return false;
	} else {
		return true;
	}
}