Type: KeyboardButton

Clicking these buttons:

To click these buttons simply run the click method:

$result = $KeyboardButton->click();

$result can be one of the following:

A string - If the button is a keyboardButtonUrl
Updates - If the button is a keyboardButton, the message will be sent to the chat, in reply to the message with the keyboard
messages.BotCallbackAnswer - If the button is a keyboardButtonCallback or a keyboardButtonGame the button will be pressed and the result will be returned
false - If the button is an unsupported button, like keyboardButtonRequestPhone, keyboardButtonRequestGeoLocation, keyboardButtonSwitchInlinekeyboardButtonBuy; you will have to parse data from these buttons manually

You can also access the properties of the constructor as a normal array, for example $button['name']