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<?php |
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/** |
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* An associative array of keys being the shortcodes that are unavailable, and a string explaining why. |
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*/ |
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$GLOBALS['jetpack_unavailable_shortcodes'] = array( |
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'blip.tv' => __( 'The Blip.tv service has been shut down since August 20th, 2015.', 'jetpack' ), |
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); |
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/** |
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* Class Shortcode_Unavailable |
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*/ |
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class Shortcode_Unavailable { |
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/** |
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* Set up the actions and filters for the class to listen to. |
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*/ |
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public static function add_hooks() { |
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add_action( 'init', array( __CLASS__, 'add_shortcodes' ), 99 ); |
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} |
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/** |
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* For all of our defined unavailable shortcodes, if something else hasn't |
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* already claimed them, add a handler to nullify their output. |
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*/ |
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public static function add_shortcodes() { |
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foreach ( $GLOBALS['jetpack_unavailable_shortcodes'] as $shortcode => $message ) { |
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if ( ! shortcode_exists( $shortcode ) ) { |
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add_shortcode( $shortcode, array( __CLASS__, 'stub_shortcode' ) ); |
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} |
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} |
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} |
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/** |
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* Nullify the output of unavailable shortcodes. Includes a filter to make |
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* it easier to notify admins that a shortcode that they used is unavailable. |
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* |
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* @param $atts |
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* @param string $content |
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* @param string $shortcode |
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* @return mixed|void |
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*/ |
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public static function stub_shortcode( $atts, $content = '', $shortcode = '' ) { |
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$str = ''; |
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if ( current_user_can( 'edit_posts' ) && ! empty( $GLOBALS['jetpack_unavailable_shortcodes'][ $shortcode ] ) ) { |
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$str = sprintf( '<div><strong>%s</strong></div>', $GLOBALS['jetpack_unavailable_shortcodes'][ $shortcode ] ); |
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} |
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/** |
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* Filter the front-end output of unavailable shortcodes. |
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* |
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* @module shortcodes |
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* |
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* @since 4.5.0 |
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* |
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* @param string $str The html displayed in lieu of the shortcode. |
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* @param array $atts The attributes (numeric or named) passed to the shortcode. |
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* @param string $content The content (if any) between the opening and closing tags. |
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* @param string $shortcode The shortcode tag used to invoke this. |
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*/ |
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return apply_filters( 'jetpack_stub_shortcode', $str, $atts, $content, $shortcode ); |
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} |
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} |
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Shortcode_Unavailable::add_hooks(); |
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Automattic /
jetpack
