Automattic\Jetpack\Device_Detection

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

Detects if the current browser is Opera Mobile

What is the difference between Opera Mobile and Opera Mini?

  • Opera Mobile is a full Internet browser for mobile devices.
  • Opera Mini always uses a transcoder to convert the page for a small display. (it uses Opera advanced server compression technology to compress web content before it gets to a device. The rendering engine is on Opera's server.)

Opera/9.80 (Windows NT 6.1; Opera Mobi/14316; U; en) Presto/2.7.81 Version/11.00" Opera/9.50 (Nintendo DSi; Opera/507; U; en-US)

Method of the class: User_Agent_Info{}

No Hooks.

Return

null. Nothing (null).

Usage

$result = User_Agent_Info::is_opera_mobile();

User_Agent_Info::is_opera_mobile() code WPSCache 1.12.4

wp-super-cache/vendor/automattic/jetpack-device-detection/src/class-user-agent-info.php 
public static function is_opera_mobile() {
	if ( empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
		return false;
	}

	$ua = strtolower( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- This is validating.

	if ( strpos( $ua, 'opera' ) !== false && strpos( $ua, 'mobi' ) !== false ) {
		return true;
	} elseif ( strpos( $ua, 'opera' ) !== false && strpos( $ua, 'nintendo dsi' ) !== false ) {
		return true;
	} else {
		return false;
	}
}