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<?php |
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/** |
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* SVG icons related functions and filters |
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*/ |
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/** |
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* Add SVG definitions to the footer. |
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*/ |
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function jetpack_social_menu_include_svg_icons() { |
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// Define SVG sprite file. |
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$svg_icons = dirname( __FILE__ ) . '/social-menu.svg'; |
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// If it exists, include it. |
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if ( file_exists( $svg_icons ) ) { |
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require_once( $svg_icons ); |
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} |
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} |
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add_action( 'wp_footer', 'jetpack_social_menu_include_svg_icons', 9999 ); |
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/** |
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* Return SVG markup. |
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* |
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* @param array $args { |
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* Parameters needed to display an SVG. |
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* |
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* @type string $icon Required SVG icon filename. |
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* } |
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* @return string SVG markup. |
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*/ |
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function jetpack_social_menu_get_svg( $args = array() ) { |
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// Make sure $args are an array. |
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if ( empty( $args ) ) { |
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return esc_html__( 'Please define default parameters in the form of an array.', 'jetpack' ); |
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} |
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// Define an icon. |
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if ( false === array_key_exists( 'icon', $args ) ) { |
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return esc_html__( 'Please define an SVG icon filename.', 'jetpack' ); |
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} |
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// Set defaults. |
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$defaults = array( |
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'icon' => '', |
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'fallback' => false, |
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); |
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// Parse args. |
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$args = wp_parse_args( $args, $defaults ); |
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// Set aria hidden. |
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$aria_hidden = ' aria-hidden="true"'; |
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// Begin SVG markup. |
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$svg = '<svg class="icon icon-' . esc_attr( $args['icon'] ) . '"' . $aria_hidden . ' role="img">'; |
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/* |
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* Display the icon. |
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* |
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* The whitespace around `<use>` is intentional - it is a work around to a keyboard navigation bug in Safari 10. |
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* |
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* See https://core.trac.wordpress.org/ticket/38387. |
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*/ |
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$svg .= ' <use href="#icon-' . esc_html( $args['icon'] ) . '" xlink:href="#icon-' . esc_html( $args['icon'] ) . '"></use> '; |
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// Add some markup to use as a fallback for browsers that do not support SVGs. |
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if ( $args['fallback'] ) { |
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$svg .= '<span class="svg-fallback icon-' . esc_attr( $args['icon'] ) . '"></span>'; |
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} |
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$svg .= '</svg>'; |
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return $svg; |
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} |
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/** |
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* Display SVG icons in social links menu. |
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* |
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* @param string $item_output The menu item output. |
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* @param WP_Post $item Menu item object. |
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* @param int $depth Depth of the menu. |
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* @param array $args wp_nav_menu() arguments. |
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* @return string $item_output The menu item output with social icon. |
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*/ |
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function jetpack_social_menu_nav_menu_social_icons( $item_output, $item, $depth, $args ) { |
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// Get supported social icons. |
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$social_icons = jetpack_social_menu_social_links_icons(); |
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// Change SVG icon inside social links menu if there is supported URL. |
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if ( 'jetpack-social-menu' === $args->theme_location ) { |
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foreach ( $social_icons as $attr => $value ) { |
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if ( false !== strpos( $item_output, $attr ) ) { |
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$item_output = str_replace( $args->link_after, '</span>' . jetpack_social_menu_get_svg( array( 'icon' => esc_attr( $value ) ) ), $item_output ); |
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} |
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} |
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} |
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return $item_output; |
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} |
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add_filter( 'walker_nav_menu_start_el', 'jetpack_social_menu_nav_menu_social_icons', 10, 4 ); |
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/** |
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* Returns an array of supported social links (URL and icon name). |
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* |
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* @return array $social_links_icons |
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*/ |
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function jetpack_social_menu_social_links_icons() { |
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// Supported social links icons. |
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$social_links_icons = array( |
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'amazon.cn' => 'amazon', |
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'amazon.in' => 'amazon', |
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'amazon.fr' => 'amazon', |
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'amazon.de' => 'amazon', |
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'amazon.it' => 'amazon', |
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'amazon.nl' => 'amazon', |
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'amazon.es' => 'amazon', |
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'amazon.co' => 'amazon', |
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'amazon.ca' => 'amazon', |
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'amazon.com' => 'amazon', |
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'apple.com' => 'apple', |
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'itunes.com' => 'apple', |
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'bandcamp.com' => 'bandcamp', |
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'behance.net' => 'behance', |
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'codepen.io' => 'codepen', |
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'deviantart.com' => 'deviantart', |
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'digg.com' => 'digg', |
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'dribbble.com' => 'dribbble', |
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'dropbox.com' => 'dropbox', |
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'facebook.com' => 'facebook', |
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'/feed/' => 'feed', |
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'flickr.com' => 'flickr', |
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'foursquare.com' => 'foursquare', |
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'plus.google.com' => 'google-plus', |
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'google.com' => 'google', |
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'github.com' => 'github', |
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'instagram.com' => 'instagram', |
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'linkedin.com' => 'linkedin', |
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'mailto:' => 'mail', |
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'medium.com' => 'medium', |
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'pinterest.com' => 'pinterest', |
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'getpocket.com' => 'pocket', |
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'reddit.com' => 'reddit', |
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'skype.com' => 'skype', |
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'skype:' => 'skype', |
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'slideshare.net' => 'slideshare', |
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'snapchat.com' => 'snapchat', |
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'soundcloud.com' => 'soundcloud', |
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'spotify.com' => 'spotify', |
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'stumbleupon.com' => 'stumbleupon', |
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'tumblr.com' => 'tumblr', |
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'twitch.tv' => 'twitch', |
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'twitter.com' => 'twitter', |
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'vimeo.com' => 'vimeo', |
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'vk.com' => 'vk', |
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'wordpress.org' => 'wordpress', |
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'wordpress.com' => 'wordpress', |
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'yelp.com' => 'yelp', |
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'youtube.com' => 'youtube', |
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); |
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return $social_links_icons; |
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} |
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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.