Automattic\WPSC

Device_Detection{} │ WPSCache 1.0

Class Automattic\WPSC\Device_Detection

Determine if the current User Agent matches the passed $kind.

Note: str_contains() and other PHP8+ functions that have a polyfill in core are not used here, as wp-includes/compat.php may not be loaded yet.

No Hooks.

Usage

$Device_Detection = new Device_Detection();
// use class methods

Methods

1. public static is_phone()

Device_Detection{} Device Detection{} code ^{WPSCache 3.1.0}

class Device_Detection {

	/**
	 * Detects phone devices.
	 *
	 * @return bool
	 */
	public static function is_phone() {
		if ( empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
			return false;
		}

		$ua_info = new User_Agent_Info( $_SERVER['HTTP_USER_AGENT'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.MissingUnslash,WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Handled in User_Agent_Info

		$agent = strtolower( filter_var( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ) );
		if ( strpos( $agent, 'ipad' ) ) {
			return false;
		}

		// Remove Samsung Galaxy tablets (SCH-I800) from being mobile devices.
		if ( strpos( $agent, 'sch-i800' ) ) {
			return false;
		}

		if ( $ua_info->is_android_tablet() && false === $ua_info->is_kindle_touch() ) {
			return false;
		}

		if ( $ua_info->is_blackberry_tablet() ) {
			return false;
		}

		// checks for iPhoneTier devices & RichCSS devices.
		if ( $ua_info->isTierIphone() || $ua_info->isTierRichCSS() ) {
			return true;
		}

		$dumb_agents = $ua_info->dumb_agents;

		foreach ( $dumb_agents as $dumb_agent ) {
			if ( false !== strpos( $agent, $dumb_agent ) ) {
				return true;
			}
		}

		if ( isset( $_SERVER['HTTP_X_WAP_PROFILE'] ) ) {
			return true;
		} elseif ( isset( $_SERVER['HTTP_ACCEPT'] ) && ( preg_match( '/wap\.|\.wap/i', $_SERVER['HTTP_ACCEPT'] ) || false !== strpos( strtolower( $_SERVER['HTTP_ACCEPT'] ), 'application/vnd.wap.xhtml+xml' ) ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput -- This is doing the validating.
			return true;
		}

		return false;
	}
}