Facebook like and share

Like button
This adds a "Like" button that allows users to like the current page. You can also optionally add a Share button next to the Like button.
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 * Parameters
 * Add  to also show a Share button.

Share button
The "Share" button lets users share a link on their timeline, in groups, or to their friends via a Facebook Message. Additional text can be added to the post or message.
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Parameters
 * Use the  parameter to choose between various types of button. Possible values are "box_count", "button_count", "button", "link", "icon_link", or "icon".