Automattic\WPSC\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.

Returns

null. Nothing (null).

Usage

$result = User_Agent_Info::is_blackberry_tablet( $user_agent );
$user_agent(string|null)
User agent string to check. If not provided, uses $_SERVER['HTTP_USER_AGENT'].
Default: null

User_Agent_Info::is_blackberry_tablet() code WPSCache 3.1.0

wp-super-cache/src/device-detection/class-user-agent-info.php 
public static function is_blackberry_tablet( $user_agent = null ) {
	$user_agent = self::maybe_get_user_agent_from_server( $user_agent );
	if ( empty( $user_agent ) ) {
		return false;
	}

	$agent          = strtolower( wp_unslash( $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;
	}
}