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<?php |
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/** |
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* Lytro.com Short Code |
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* |
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* Format: |
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* [lytro photo='202' show_arrow='true' show_border='true' show_first_time_user='true' allow_full_view='true'] |
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* [lytro username='lytroweb' photo='431119'] |
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* |
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* Legend: |
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* username: the lytro.com username for newer embed format |
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* photo: the ID or the URL of the photo on lytro.com |
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* show_arrow: set to false to force-hide the menu in the lower right (not used in v2) |
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* show_border: set to true to force-show the border |
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* show_first_time_user: set to false to force-disable the first-time user experience (not used in v2) |
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* allow_full_view: set to true to allow an external site to have a full-zoom mode (not used in v2) |
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* enable_help: set to false to hide the question mark/help popup |
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* |
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* Output: |
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* <iframe width="400" height="415" src="https://www.lytro.com/living-pictures/202/embed?showArrow=true&showBorder=true&showFTU=true" frameborder="0" allowfullscreen></iframe> |
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* <iframe width="400" height="415" src="http://pictures.lytro.com/lytroweb/pictures/431119/embed" frameborder="0" allowfullscreen="" scrolling="no"></iframe> |
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*/ |
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/** |
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* Lytro.com Short Code Attributes Definition |
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* |
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* This helper function returns an array all available |
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* shortcode attributes, their validation method, default |
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* value and more. |
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* |
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* Keys: |
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* validate: a callable function or regular expression used to validate the input |
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* default: default value for shortcode attribute |
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* query_arg: the related lytro query argument name |
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* |
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* @since 4.5.0 |
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*/ |
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function jetpack_lytro_shortcode_attributes() { |
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return array( |
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'username' => array( |
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'default' => '', |
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), |
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'photo' => array( // could be ID or URL, validated separately |
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'default' => 0, |
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), |
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'width' => array( |
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'validate' => '#^\d+$#', |
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'default' => 400, |
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), |
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'height' => array( |
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'validate' => '#^\d+$#', |
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'default' => 415, |
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), |
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'show_arrow' => array( |
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'query_arg' => 'showArrow', |
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'validate' => '#^(true|false)$#', |
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'default' => 'true', |
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), |
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'show_border' => array( |
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'query_arg' => 'showBorder', |
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'validate' => '#^(true|false)$#', |
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'default' => 'true', |
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), |
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'show_first_time_user' => array( |
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'query_arg' => 'showFTU', |
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'validate' => '#^(true|false)$#', |
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'default' => 'true', |
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), |
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'allow_full_view' => array( |
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'query_arg' => 'allowFullView', |
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'validate' => '#^(true|false)$#', |
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'default' => 'true', |
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), |
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'enable_help' => array( |
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'query_arg' => 'enableHelp', |
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'validate' => '#^(true|false)$#', |
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'default' => 'true', |
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), |
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'enable_attribution' => array( |
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'query_arg' => 'enableAttribution', |
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'validate' => '#^(true|false)$#', |
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'default' => 'true', |
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), |
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'enable_logo' => array( |
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'query_arg' => 'enableLogo', |
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'validate' => '#^(true|false)$#', |
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'default' => 'true', |
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), |
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'enable_fullscreen' => array( |
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'query_arg' => 'enableFullscreen', |
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'validate' => '#^(true|false)$#', |
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'default' => 'true', |
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), |
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'enable_play' => array( |
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'query_arg' => 'enablePlay', |
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'validate' => '#^(true|false)$#', |
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'default' => 'true', |
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), |
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'bg_color' => array( |
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'query_arg' => 'bgColor', |
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'validate' => '/^#(?:[0-9a-fA-F]{3}){1,2}$/', |
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'default' => '', |
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), |
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); |
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} |
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/** |
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* Lytro.com Shortcode |
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* |
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* Allows embedding Lytro "living pictures" using [lytro photo="200"] or |
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* [lytro photo="http://www.lytro.com/..."]. Additional attributes |
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* like show_border, show_arrow, etc have priority over the ones supplied |
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* in the URL. |
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* |
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* @since 4.5.0 |
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* |
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* @param array $atts Shortcode attributes |
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* |
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* @uses jetpack_lytro_shortcode_attributes() |
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* @return string Embed HTML or a <!-- commented out error --> |
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*/ |
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function jetpack_lytro_shortcode_handler( $atts ) { |
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$defaults = array(); |
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$attributes = jetpack_lytro_shortcode_attributes(); |
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foreach ( $attributes as $key => $attribute ) { |
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if ( isset( $attribute['default'] ) ) { |
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$defaults[$key] = $attribute['default']; |
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} |
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} |
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$atts = shortcode_atts( $defaults, $atts ); |
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// There has to at least be a photo attribute. |
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if ( empty( $atts['photo'] ) ) { |
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return '<!-- Lytro Shortcode Error: No Photo ID/URL -->'; |
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} |
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// The photo attribute might be a URL |
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if ( ! is_numeric( $atts['photo'] ) ) { |
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$atts = array_merge( $atts, jetpack_lytro_shortcode_url_to_atts( $atts['photo'] ) ); |
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} |
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// Validate all attributes by callable function or regular expression. |
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foreach ( $atts as $key => $value ) { |
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$attribute = $attributes[$key]; |
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if ( isset( $attribute['validate'] ) ) { |
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$validate = $attribute['validate']; |
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$valid = is_callable( $validate ) ? call_user_func( $validate, $value ) : preg_match( $validate, $value ); |
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if ( ! $valid ) { |
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$atts[$key] = $defaults[$key]; |
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} |
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} |
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} |
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// The photo attribute might have changed, make sure it's still valid. |
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if ( ! is_numeric( $atts['photo'] ) || ! $atts['photo'] ) { |
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return '<!-- Lytro Shortcode Error: Invalid Photo ID/URL -->'; |
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} |
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// Build a query which is then appended to the iframe src. |
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$query_args = array(); |
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foreach ( $atts as $key => $value ) { |
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$attribute = $attributes[$key]; |
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if ( isset( $attribute['query_arg'] ) && ! empty( $attribute['query_arg'] ) && ! empty( $value ) ) { |
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$query_args[$attribute['query_arg']] = $value; |
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} |
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} |
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if ( ! empty( $atts['username'] ) ) { |
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$src = sprintf( 'https://pictures.lytro.com/%s/pictures/%d/embed', $atts['username'], $atts['photo'] ); |
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} else { |
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$src = sprintf( 'https://pictures.lytro.com/pictures/%d/embed', $atts['photo'] ); |
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} |
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// Add query args and build the iframe. |
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$src = add_query_arg( $query_args, $src ); |
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return '<iframe width="' . esc_attr( $atts['width'] ) . '" height="' . esc_attr( $atts['height'] ) . '" src="' . esc_url( $src ) . '" frameborder="0" allowfullscreen scrolling="no"></iframe>'; |
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} |
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add_shortcode( 'lytro', 'jetpack_lytro_shortcode_handler' ); |
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/** |
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* Lytro Shortcode URL to Shortcode Attributes |
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* |
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* This helper function parses a Lytro.com URL |
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* and returns an attributes array. |
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* |
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* @since 4.5.0 |
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* |
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* @uses jetpack_lytro_shortcode_attributes() |
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*/ |
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function jetpack_lytro_shortcode_url_to_atts( $url ) { |
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$attributes = jetpack_lytro_shortcode_attributes(); |
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$atts = array(); |
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$url = str_replace( '&', '&', $url ); |
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if ( preg_match( '#^https?://(www\.)?lytro\.com/living-pictures/([0-9]+)/?#i', $url, $matches ) ) { |
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$atts['photo'] = $matches[2]; |
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} elseif ( preg_match( '#^https?://(www\.)?pictures\.lytro\.com/([^/]+)/pictures/([0-9]+)/?#i', $url, $matches ) ) { |
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$atts['username'] = $matches[2]; |
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$atts['photo'] = $matches[3]; |
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} |
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$url = parse_url( $url ); |
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if ( isset( $url['query'] ) ) { |
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parse_str( $url['query'], $qargs ); |
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// Get the attributes with query_args and fill in the $atts array |
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foreach ( $attributes as $key => $attribute ) { |
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if ( isset( $attribute['query_arg'] ) && in_array( $attribute['query_arg'], array_keys( $qargs ) ) ) { |
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$atts[$key] = $qargs[$attribute['query_arg']]; |
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} |
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} |
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} |
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return $atts; |
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} |
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/** |
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* Lytro Shortcode Reversal |
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* |
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* Example |
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* <iframe width="400" height="415" src="https://www.lytro.com/living-pictures/202/embed?showBorder=true" frameborder="0" allowfullscreen></iframe> |
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* <iframe width="400" height="415" src="http://pictures.lytro.com/lytroweb/pictures/431128/embed" frameborder="0" allowfullscreen="" scrolling="no"></iframe> |
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* |
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* Converts to: |
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* [lytro photo="202" show_border="true" width="400" height="415"] |
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* |
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* @since 4.5.0 |
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* |
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* @uses jetpack_lytro_shortcode_url_to_atts() |
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* @uses wpcom_shortcodereverse_parseattr() |
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*/ |
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function wpcom_shortcodereverse_lytro( $atts ) { |
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$atts = wpcom_shortcodereverse_parseattr( $atts ); |
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$shortcode_atts = array(); |
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// Grab the src URL and convert to shortcode attributes |
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if ( $atts['src'] ) { |
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$shortcode_atts = jetpack_lytro_shortcode_url_to_atts( $atts['src'] ); |
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} |
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// Width and height too |
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if ( $atts['width'] ) { |
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$shortcode_atts['width'] = $atts['width']; |
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} |
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if ( $atts['height'] ) { |
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$shortcode_atts['height'] = $atts['height']; |
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} |
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// Generate the shortcode. |
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$shortcode = ''; |
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foreach ( $shortcode_atts as $key => $value ) { |
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$shortcode .= " $key='" . esc_attr( $value ) . "'"; |
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} |
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$shortcode = "[lytro {$shortcode}]"; |
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return $shortcode; |
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} |
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Filter_Embedded_HTML_Objects::register( '#^https?://(www\.)?lytro\.com/living-pictures/#i', 'wpcom_shortcodereverse_lytro', true ); |
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Filter_Embedded_HTML_Objects::register( '#^https?://(www\.)?pictures\.lytro\.com/([^/]+)/pictures/([0-9]+)/embed#i', 'wpcom_shortcodereverse_lytro', true ); |
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/** |
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* Register Embed Handler |
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* |
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* Registers a WordPress Embed handler to allow embedding |
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* Lytro images by publishing the Lytro URL on a line by itself. |
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* |
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* @since 4.5.0 |
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* |
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* @uses wp_embed_register_handler |
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*/ |
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function jetpack_lytro_register_embed_handler() { |
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wp_embed_register_handler( 'lytro', '#^https?://(www\.)?lytro\.com/living-pictures/([0-9]+)/?#i', 'jetpack_lytro_embed_handler' ); |
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wp_embed_register_handler( 'lytro-v2', '#^https?://(www\.)?pictures\.lytro\.com/([^/]+)/pictures/([0-9]+)/?#i', 'jetpack_lytro_embed_handler' ); |
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} |
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add_action( 'init', 'jetpack_lytro_register_embed_handler' ); |
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/** |
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* Lytro Embed Handler |
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* |
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* The embed handler function which converts a Lytro URL |
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* on a line by itself into an embedded Lytro image. |
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* |
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* @since 4.5.0 |
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* |
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* @see jetpack_lytro_register_embed_handler |
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* @uses jetpack_lytro_shortcode_url_to_atts |
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* @uses jetpack_lytro_shortcode_handler |
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*/ |
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function jetpack_lytro_embed_handler( $matches, $attr, $url, $rawattr ) { |
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295
|
|
|
return jetpack_lytro_shortcode_handler( jetpack_lytro_shortcode_url_to_atts( $url ) ); |
|
296
|
|
|
} |
|
297
|
|
|
|
Automattic /
jetpack
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.