Automattic\WPSC\Device_Detection

User_Agent_Info::is_symbian_platform │ public static │ WPSCache 1.0

Detects if the device platform is the Symbian Series 60.

Method of the class: User_Agent_Info{}

No Hooks.

Returns

null. Nothing (null).

Usage

$result = User_Agent_Info::is_symbian_platform( $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_symbian_platform() code WPSCache 3.1.0

wp-super-cache/src/device-detection/class-user-agent-info.php 
public static function is_symbian_platform( $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_webkit = strpos( $agent, 'webkit' );
	if ( false !== $pos_webkit ) {
		// First, test for WebKit, then make sure it's either Symbian or S60.
		if ( strpos( $agent, 'symbian' ) !== false || strpos( $agent, 'series60' ) !== false ) {
				return true;
		} else {
			return false;
		}
	} elseif ( strpos( $agent, 'symbianos' ) !== false && strpos( $agent, 'series60' ) !== false ) {
		return true;
	} elseif ( strpos( $agent, 'nokia' ) !== false && strpos( $agent, 'series60' ) !== false ) {
		return true;
	} elseif ( strpos( $agent, 'opera mini' ) !== false ) {
		if ( strpos( $agent, 'symbianos' ) !== false || strpos( $agent, 'symbos' ) !== false || strpos( $agent, 'series 60' ) !== false ) {
			return true;
		}
	}

	return false;
}