Automattic\WPSC\Device_Detection

User_Agent_Info::is_PalmWebOS │ public static │ WPSCache 1.0

Detects if the current browser is on a Palm device running the new WebOS. This EXCLUDES TouchPad.

Ex1: Mozilla/5.0 (webOS/1.4.0; U; en-US) AppleWebKit/532.2 (KHTML, like Gecko) Version/1.0 Safari/532.2 Pre/1.1 Ex2: Mozilla/5.0 (webOS/1.4.0; U; en-US) AppleWebKit/532.2 (KHTML, like Gecko) Version/1.0 Safari/532.2 Pixi/1.1

Method of the class: User_Agent_Info{}

No Hooks.

Returns

null. Nothing (null).

Usage

$result = User_Agent_Info::is_PalmWebOS( $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_PalmWebOS() code WPSCache 3.1.0

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

	$ua = strtolower( wp_unslash( $user_agent ) ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- This is validating.

	if ( false === strpos( $ua, 'webos' ) ) {
		return false;
	} elseif ( self::is_opera_mini( $user_agent ) || self::is_opera_mobile( $user_agent ) || self::is_firefox_mobile( $user_agent ) ) {
		return false;
	} else {
		return true;
	}
}