<?php
/**
 * @package Helix_Ultimate_Framework
 * @author JoomShaper <support@joomshaper.com>
 * Copyright (c) 2010 - 2025 JoomShaper
 * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 or Later
 */
namespace HelixUltimate\Framework\Core\Lib;

defined('_JEXEC') or die('restricted aceess');

/**
 * Class for font-awesome icons.
 *
 * @since	2.0.0
 */
class FontawesomeIcons
{
	/**
	 * Font-awesome 5 free icons
	 *
	 * @var		array	The icons class list
	 * @since	2.0.0
	 */
	private $fa5_classes = ["fab fa-500px", "fab fa-accessible-icon", "fab fa-accusoft", "fab fa-acquisitions-incorporated", "fas fa-ad", "far fa-address-book", "far fa-address-card", "fas fa-adjust", "fab fa-adn", "fab fa-adversal", "fab fa-affiliatetheme", "fas fa-air-freshener", "fab fa-airbnb", "fab fa-algolia", "fas fa-align-center", "fas fa-align-justify", "fas fa-align-left", "fas fa-align-right", "fab fa-alipay", "fas fa-allergies", "fab fa-amazon", "fab fa-amazon-pay", "fas fa-ambulance", "fas fa-american-sign-language-interpreting", "fab fa-amilia", "fas fa-anchor", "fab fa-android", "fab fa-angellist", "fas fa-angle-double-down", "fas fa-angle-double-left", "fas fa-angle-double-right", "fas fa-angle-double-up", "fas fa-angle-down", "fas fa-angle-left", "fas fa-angle-right", "fas fa-angle-up", "far fa-angry", "fab fa-angrycreative", "fab fa-angular", "fas fa-ankh", "fab fa-app-store", "fab fa-app-store-ios", "fab fa-apper", "fab fa-apple", "fas fa-apple-alt", "fab fa-apple-pay", "fas fa-archive", "fas fa-archway", "far fa-arrow-alt-circle-down", "far fa-arrow-alt-circle-left", "far fa-arrow-alt-circle-right", "far fa-arrow-alt-circle-up", "fas fa-arrow-circle-down", "fas fa-arrow-circle-left", "fas fa-arrow-circle-right", "fas fa-arrow-circle-up", "fas fa-arrow-down", "fas fa-arrow-left", "fas fa-arrow-right", "fas fa-arrow-up", "fas fa-arrows-alt", "fas fa-arrows-alt-h", "fas fa-arrows-alt-v", "fab fa-artstation", "fas fa-assistive-listening-systems", "fas fa-asterisk", "fab fa-asymmetrik", "fas fa-at", "fas fa-atlas", "fab fa-atlassian", "fas fa-atom", "fab fa-audible", "fas fa-audio-description", "fab fa-autoprefixer", "fab fa-avianex", "fab fa-aviato", "fas fa-award", "fab fa-aws", "fas fa-baby", "fas fa-baby-carriage", "fas fa-backspace", "fas fa-backward", "fas fa-bacon", "fas fa-bacteria", "fas fa-bacterium", "fas fa-bahai", "fas fa-balance-scale", "fas fa-balance-scale-left", "fas fa-balance-scale-right", "fas fa-ban", "fas fa-band-aid", "fab fa-bandcamp", "fas fa-barcode", "fas fa-bars", "fas fa-baseball-ball", "fas fa-basketball-ball", "fas fa-bath", "fas fa-battery-empty", "fas fa-battery-full", "fas fa-battery-half", "fas fa-battery-quarter", "fas fa-battery-three-quarters", "fab fa-battle-net", "fas fa-bed", "fas fa-beer", "fab fa-behance", "fab fa-behance-square", "far fa-bell", "far fa-bell-slash", "fas fa-bezier-curve", "fas fa-bible", "fas fa-bicycle", "fas fa-biking", "fab fa-bimobject", "fas fa-binoculars", "fas fa-biohazard", "fas fa-birthday-cake", "fab fa-bitbucket", "fab fa-bitcoin", "fab fa-bity", "fab fa-black-tie", "fab fa-blackberry", "fas fa-blender", "fas fa-blender-phone", "fas fa-blind", "fas fa-blog", "fab fa-blogger", "fab fa-blogger-b", "fab fa-bluetooth", "fab fa-bluetooth-b", "fas fa-bold", "fas fa-bolt", "fas fa-bomb", "fas fa-bone", "fas fa-bong", "fas fa-book", "fas fa-book-dead", "fas fa-book-medical", "fas fa-book-open", "fas fa-book-reader", "far fa-bookmark", "fab fa-bootstrap", "fas fa-border-all", "fas fa-border-none", "fas fa-border-style", "fas fa-bowling-ball", "fas fa-box", "fas fa-box-open", "fas fa-box-tissue", "fas fa-boxes", "fas fa-braille", "fas fa-brain", "fas fa-bread-slice", "fas fa-briefcase", "fas fa-briefcase-medical", "fas fa-broadcast-tower", "fas fa-broom", "fas fa-brush", "fab fa-btc", "fab fa-buffer", "fas fa-bug", "far fa-building", "fas fa-bullhorn", "fas fa-bullseye", "fas fa-burn", "fab fa-buromobelexperte", "fas fa-bus", "fas fa-bus-alt", "fas fa-business-time", "fab fa-buy-n-large", "fab fa-buysellads", "fas fa-calculator", "far fa-calendar", "far fa-calendar-alt", "far fa-calendar-check", "fas fa-calendar-day", "far fa-calendar-minus", "far fa-calendar-plus", "far fa-calendar-times", "fas fa-calendar-week", "fas fa-camera", "fas fa-camera-retro", "fas fa-campground", "fab fa-canadian-maple-leaf", "fas fa-candy-cane", "fas fa-cannabis", "fas fa-capsules", "fas fa-car", "fas fa-car-alt", "fas fa-car-battery", "fas fa-car-crash", "fas fa-car-side", "fas fa-caravan", "fas fa-caret-down", "fas fa-caret-left", "fas fa-caret-right", "far fa-caret-square-down", "far fa-caret-square-left", "far fa-caret-square-right", "far fa-caret-square-up", "fas fa-caret-up", "fas fa-carrot", "fas fa-cart-arrow-down", "fas fa-cart-plus", "fas fa-cash-register", "fas fa-cat", "fab fa-cc-amazon-pay", "fab fa-cc-amex", "fab fa-cc-apple-pay", "fab fa-cc-diners-club", "fab fa-cc-discover", "fab fa-cc-jcb", "fab fa-cc-mastercard", "fab fa-cc-paypal", "fab fa-cc-stripe", "fab fa-cc-visa", "fab fa-centercode", "fab fa-centos", "fas fa-certificate", "fas fa-chair", "fas fa-chalkboard", "fas fa-chalkboard-teacher", "fas fa-charging-station", "fas fa-chart-area", "far fa-chart-bar", "fas fa-chart-line", "fas fa-chart-pie", "fas fa-check", "far fa-check-circle", "fas fa-check-double", "far fa-check-square", "fas fa-cheese", "fas fa-chess", "fas fa-chess-bishop", "fas fa-chess-board", "fas fa-chess-king", "fas fa-chess-knight", "fas fa-chess-pawn", "fas fa-chess-queen", "fas fa-chess-rook", "fas fa-chevron-circle-down", "fas fa-chevron-circle-left", "fas fa-chevron-circle-right", "fas fa-chevron-circle-up", "fas fa-chevron-down", "fas fa-chevron-left", "fas fa-chevron-right", "fas fa-chevron-up", "fas fa-child", "fab fa-chrome", "fab fa-chromecast", "fas fa-church", "far fa-circle", "fas fa-circle-notch", "fas fa-city", "fas fa-clinic-medical", "far fa-clipboard", "fas fa-clipboard-check", "fas fa-clipboard-list", "far fa-clock", "far fa-clone", "far fa-closed-captioning", "fas fa-cloud", "fas fa-cloud-download-alt", "fas fa-cloud-meatball", "fas fa-cloud-moon", "fas fa-cloud-moon-rain", "fas fa-cloud-rain", "fas fa-cloud-showers-heavy", "fas fa-cloud-sun", "fas fa-cloud-sun-rain", "fas fa-cloud-upload-alt", "fab fa-cloudflare", "fab fa-cloudscale", "fab fa-cloudsmith", "fab fa-cloudversify", "fas fa-cocktail", "fas fa-code", "fas fa-code-branch", "fab fa-codepen", "fab fa-codiepie", "fas fa-coffee", "fas fa-cog", "fas fa-cogs", "fas fa-coins", "fas fa-columns", "far fa-comment", "far fa-comment-alt", "fas fa-comment-dollar", "far fa-comment-dots", "fas fa-comment-medical", "fas fa-comment-slash", "far fa-comments", "fas fa-comments-dollar", "fas fa-compact-disc", "far fa-compass", "fas fa-compress", "fas fa-compress-alt", "fas fa-compress-arrows-alt", "fas fa-concierge-bell", "fab fa-confluence", "fab fa-connectdevelop", "fab fa-contao", "fas fa-cookie", "fas fa-cookie-bite", "far fa-copy", "far fa-copyright", "fab fa-cotton-bureau", "fas fa-couch", "fab fa-cpanel", "fab fa-creative-commons", "fab fa-creative-commons-by", "fab fa-creative-commons-nc", "fab fa-creative-commons-nc-eu", "fab fa-creative-commons-nc-jp", "fab fa-creative-commons-nd", "fab fa-creative-commons-pd", "fab fa-creative-commons-pd-alt", "fab fa-creative-commons-remix", "fab fa-creative-commons-sa", "fab fa-creative-commons-sampling", "fab fa-creative-commons-sampling-plus", "fab fa-creative-commons-share", "fab fa-creative-commons-zero", "far fa-credit-card", "fab fa-critical-role", "fas fa-crop", "fas fa-crop-alt", "fas fa-cross", "fas fa-crosshairs", "fas fa-crow", "fas fa-crown", "fas fa-crutch", "fab fa-css3", "fab fa-css3-alt", "fas fa-cube", "fas fa-cubes", "fas fa-cut", "fab fa-cuttlefish", "fab fa-d-and-d", "fab fa-d-and-d-beyond", "fab fa-dailymotion", "fab fa-dashcube", "fas fa-database", "fas fa-deaf", "fab fa-deezer", "fab fa-delicious", "fas fa-democrat", "fab fa-deploydog", "fab fa-deskpro", "fas fa-desktop", "fab fa-dev", "fab fa-deviantart", "fas fa-dharmachakra", "fab fa-dhl", "fas fa-diagnoses", "fab fa-diaspora", "fas fa-dice", "fas fa-dice-d20", "fas fa-dice-d6", "fas fa-dice-five", "fas fa-dice-four", "fas fa-dice-one", "fas fa-dice-six", "fas fa-dice-three", "fas fa-dice-two", "fab fa-digg", "fab fa-digital-ocean", "fas fa-digital-tachograph", "fas fa-directions", "fab fa-discord", "fab fa-discourse", "fas fa-disease", "fas fa-divide", "far fa-dizzy", "fas fa-dna", "fab fa-dochub", "fab fa-docker", "fas fa-dog", "fas fa-dollar-sign", "fas fa-dolly", "fas fa-dolly-flatbed", "fas fa-donate", "fas fa-door-closed", "fas fa-door-open", "far fa-dot-circle", "fas fa-dove", "fas fa-download", "fab fa-draft2digital", "fas fa-drafting-compass", "fas fa-dragon", "fas fa-draw-polygon", "fab fa-dribbble", "fab fa-dribbble-square", "fab fa-dropbox", "fas fa-drum", "fas fa-drum-steelpan", "fas fa-drumstick-bite", "fab fa-drupal", "fas fa-dumbbell", "fas fa-dumpster", "fas fa-dumpster-fire", "fas fa-dungeon", "fab fa-dyalog", "fab fa-earlybirds", "fab fa-ebay", "fab fa-edge", "fab fa-edge-legacy", "far fa-edit", "fas fa-egg", "fas fa-eject", "fab fa-elementor", "fas fa-ellipsis-h", "fas fa-ellipsis-v", "fab fa-ello", "fab fa-ember", "fab fa-empire", "far fa-envelope", "far fa-envelope-open", "fas fa-envelope-open-text", "fas fa-envelope-square", "fab fa-envira", "fas fa-equals", "fas fa-eraser", "fab fa-erlang", "fab fa-ethereum", "fas fa-ethernet", "fab fa-etsy", "fas fa-euro-sign", "fab fa-evernote", "fas fa-exchange-alt", "fas fa-exclamation", "fas fa-exclamation-circle", "fas fa-exclamation-triangle", "fas fa-expand", "fas fa-expand-alt", "fas fa-expand-arrows-alt", "fab fa-expeditedssl", "fas fa-external-link-alt", "fas fa-external-link-square-alt", "far fa-eye", "fas fa-eye-dropper", "far fa-eye-slash", "fab fa-facebook", "fab fa-facebook-f", "fab fa-facebook-messenger", "fab fa-facebook-square", "fas fa-fan", "fab fa-fantasy-flight-games", "fas fa-fast-backward", "fas fa-fast-forward", "fas fa-faucet", "fas fa-fax", "fas fa-feather", "fas fa-feather-alt", "fab fa-fedex", "fab fa-fedora", "fas fa-female", "fas fa-fighter-jet", "fab fa-figma", "far fa-file", "far fa-file-alt", "far fa-file-archive", "far fa-file-audio", "far fa-file-code", "fas fa-file-contract", "fas fa-file-csv", "fas fa-file-download", "far fa-file-excel", "fas fa-file-export", "far fa-file-image", "fas fa-file-import", "fas fa-file-invoice", "fas fa-file-invoice-dollar", "fas fa-file-medical", "fas fa-file-medical-alt", "far fa-file-pdf", "far fa-file-powerpoint", "fas fa-file-prescription", "fas fa-file-signature", "fas fa-file-upload", "far fa-file-video", "far fa-file-word", "fas fa-fill", "fas fa-fill-drip", "fas fa-film", "fas fa-filter", "fas fa-fingerprint", "fas fa-fire", "fas fa-fire-alt", "fas fa-fire-extinguisher", "fab fa-firefox", "fab fa-firefox-browser", "fas fa-first-aid", "fab fa-first-order", "fab fa-first-order-alt", "fab fa-firstdraft", "fas fa-fish", "fas fa-fist-raised", "far fa-flag", "fas fa-flag-checkered", "fas fa-flag-usa", "fas fa-flask", "fab fa-flickr", "fab fa-flipboard", "far fa-flushed", "fab fa-fly", "far fa-folder", "fas fa-folder-minus", "far fa-folder-open", "fas fa-folder-plus", "fas fa-font", "fab fa-font-awesome", "fab fa-font-awesome-alt", "fab fa-font-awesome-flag", "fab fa-font-awesome-logo-full", "fab fa-fonticons", "fab fa-fonticons-fi", "fas fa-football-ball", "fab fa-fort-awesome", "fab fa-fort-awesome-alt", "fab fa-forumbee", "fas fa-forward", "fab fa-foursquare", "fab fa-free-code-camp", "fab fa-freebsd", "fas fa-frog", "far fa-frown", "far fa-frown-open", "fab fa-fulcrum", "fas fa-funnel-dollar", "far fa-futbol", "fab fa-galactic-republic", "fab fa-galactic-senate", "fas fa-gamepad", "fas fa-gas-pump", "fas fa-gavel", "far fa-gem", "fas fa-genderless", "fab fa-get-pocket", "fab fa-gg", "fab fa-gg-circle", "fas fa-ghost", "fas fa-gift", "fas fa-gifts", "fab fa-git", "fab fa-git-alt", "fab fa-git-square", "fab fa-github", "fab fa-github-alt", "fab fa-github-square", "fab fa-gitkraken", "fab fa-gitlab", "fab fa-gitter", "fas fa-glass-cheers", "fas fa-glass-martini", "fas fa-glass-martini-alt", "fas fa-glass-whiskey", "fas fa-glasses", "fab fa-glide", "fab fa-glide-g", "fas fa-globe", "fas fa-globe-africa", "fas fa-globe-americas", "fas fa-globe-asia", "fas fa-globe-europe", "fab fa-gofore", "fas fa-golf-ball", "fab fa-goodreads", "fab fa-goodreads-g", "fab fa-google", "fab fa-google-drive", "fab fa-google-pay", "fab fa-google-play", "fab fa-google-plus", "fab fa-google-plus-g", "fab fa-google-plus-square", "fab fa-google-wallet", "fas fa-gopuram", "fas fa-graduation-cap", "fab fa-gratipay", "fab fa-grav", "fas fa-greater-than", "fas fa-greater-than-equal", "far fa-grimace", "far fa-grin", "far fa-grin-alt", "far fa-grin-beam", "far fa-grin-beam-sweat", "far fa-grin-hearts", "far fa-grin-squint", "far fa-grin-squint-tears", "far fa-grin-stars", "far fa-grin-tears", "far fa-grin-tongue", "far fa-grin-tongue-squint", "far fa-grin-tongue-wink", "far fa-grin-wink", "fas fa-grip-horizontal", "fas fa-grip-lines", "fas fa-grip-lines-vertical", "fas fa-grip-vertical", "fab fa-gripfire", "fab fa-grunt", "fab fa-guilded", "fas fa-guitar", "fab fa-gulp", "fas fa-h-square", "fab fa-hacker-news", "fab fa-hacker-news-square", "fab fa-hackerrank", "fas fa-hamburger", "fas fa-hammer", "fas fa-hamsa", "fas fa-hand-holding", "fas fa-hand-holding-heart", "fas fa-hand-holding-medical", "fas fa-hand-holding-usd", "fas fa-hand-holding-water", "far fa-hand-lizard", "fas fa-hand-middle-finger", "far fa-hand-paper", "far fa-hand-peace", "far fa-hand-point-down", "far fa-hand-point-left", "far fa-hand-point-right", "far fa-hand-point-up", "far fa-hand-pointer", "far fa-hand-rock", "far fa-hand-scissors", "fas fa-hand-sparkles", "far fa-hand-spock", "fas fa-hands", "fas fa-hands-helping", "fas fa-hands-wash", "far fa-handshake", "fas fa-handshake-alt-slash", "fas fa-handshake-slash", "fas fa-hanukiah", "fas fa-hard-hat", "fas fa-hashtag", "fas fa-hat-cowboy", "fas fa-hat-cowboy-side", "fas fa-hat-wizard", "far fa-hdd", "fas fa-head-side-cough", "fas fa-head-side-cough-slash", "fas fa-head-side-mask", "fas fa-head-side-virus", "fas fa-heading", "fas fa-headphones", "fas fa-headphones-alt", "fas fa-headset", "far fa-heart", "fas fa-heart-broken", "fas fa-heartbeat", "fas fa-helicopter", "fas fa-highlighter", "fas fa-hiking", "fas fa-hippo", "fab fa-hips", "fab fa-hire-a-helper", "fas fa-history", "fab fa-hive", "fas fa-hockey-puck", "fas fa-holly-berry", "fas fa-home", "fab fa-hooli", "fab fa-hornbill", "fas fa-horse", "fas fa-horse-head", "far fa-hospital", "fas fa-hospital-alt", "fas fa-hospital-symbol", "fas fa-hospital-user", "fas fa-hot-tub", "fas fa-hotdog", "fas fa-hotel", "fab fa-hotjar", "far fa-hourglass", "fas fa-hourglass-end", "fas fa-hourglass-half", "fas fa-hourglass-start", "fas fa-house-damage", "fas fa-house-user", "fab fa-houzz", "fas fa-hryvnia", "fab fa-html5", "fab fa-hubspot", "fas fa-i-cursor", "fas fa-ice-cream", "fas fa-icicles", "fas fa-icons", "far fa-id-badge", "far fa-id-card", "fas fa-id-card-alt", "fab fa-ideal", "fas fa-igloo", "far fa-image", "far fa-images", "fab fa-imdb", "fas fa-inbox", "fas fa-indent", "fas fa-industry", "fas fa-infinity", "fas fa-info", "fas fa-info-circle", "fab fa-innosoft", "fab fa-instagram", "fab fa-instagram-square", "fab fa-instalod", "fab fa-intercom", "fab fa-internet-explorer", "fab fa-invision", "fab fa-ioxhost", "fas fa-italic", "fab fa-itch-io", "fab fa-itunes", "fab fa-itunes-note", "fab fa-java", "fas fa-jedi", "fab fa-jedi-order", "fab fa-jenkins", "fab fa-jira", "fab fa-joget", "fas fa-joint", "fab fa-joomla", "fas fa-journal-whills", "fab fa-js", "fab fa-js-square", "fab fa-jsfiddle", "fas fa-kaaba", "fab fa-kaggle", "fas fa-key", "fab fa-keybase", "far fa-keyboard", "fab fa-keycdn", "fas fa-khanda", "fab fa-kickstarter", "fab fa-kickstarter-k", "far fa-kiss", "far fa-kiss-beam", "far fa-kiss-wink-heart", "fas fa-kiwi-bird", "fab fa-korvue", "fas fa-landmark", "fas fa-language", "fas fa-laptop", "fas fa-laptop-code", "fas fa-laptop-house", "fas fa-laptop-medical", "fab fa-laravel", "fab fa-lastfm", "fab fa-lastfm-square", "far fa-laugh", "far fa-laugh-beam", "far fa-laugh-squint", "far fa-laugh-wink", "fas fa-layer-group", "fas fa-leaf", "fab fa-leanpub", "far fa-lemon", "fab fa-less", "fas fa-less-than", "fas fa-less-than-equal", "fas fa-level-down-alt", "fas fa-level-up-alt", "far fa-life-ring", "far fa-lightbulb", "fab fa-line", "fas fa-link", "fab fa-linkedin", "fab fa-linkedin-in", "fab fa-linode", "fab fa-linux", "fas fa-lira-sign", "fas fa-list", "far fa-list-alt", "fas fa-list-ol", "fas fa-list-ul", "fas fa-location-arrow", "fas fa-lock", "fas fa-lock-open", "fas fa-long-arrow-alt-down", "fas fa-long-arrow-alt-left", "fas fa-long-arrow-alt-right", "fas fa-long-arrow-alt-up", "fas fa-low-vision", "fas fa-luggage-cart", "fas fa-lungs", "fas fa-lungs-virus", "fab fa-lyft", "fab fa-magento", "fas fa-magic", "fas fa-magnet", "fas fa-mail-bulk", "fab fa-mailchimp", "fas fa-male", "fab fa-mandalorian", "far fa-map", "fas fa-map-marked", "fas fa-map-marked-alt", "fas fa-map-marker", "fas fa-map-marker-alt", "fas fa-map-pin", "fas fa-map-signs", "fab fa-markdown", "fas fa-marker", "fas fa-mars", "fas fa-mars-double", "fas fa-mars-stroke", "fas fa-mars-stroke-h", "fas fa-mars-stroke-v", "fas fa-mask", "fab fa-mastodon", "fab fa-maxcdn", "fab fa-mdb", "fas fa-medal", "fab fa-medapps", "fab fa-medium", "fab fa-medium-m", "fas fa-medkit", "fab fa-medrt", "fab fa-meetup", "fab fa-megaport", "far fa-meh", "far fa-meh-blank", "far fa-meh-rolling-eyes", "fas fa-memory", "fab fa-mendeley", "fas fa-menorah", "fas fa-mercury", "fas fa-meteor", "fab fa-microblog", "fas fa-microchip", "fas fa-microphone", "fas fa-microphone-alt", "fas fa-microphone-alt-slash", "fas fa-microphone-slash", "fas fa-microscope", "fab fa-microsoft", "fas fa-minus", "fas fa-minus-circle", "far fa-minus-square", "fas fa-mitten", "fab fa-mix", "fab fa-mixcloud", "fab fa-mixer", "fab fa-mizuni", "fas fa-mobile", "fas fa-mobile-alt", "fab fa-modx", "fab fa-monero", "fas fa-money-bill", "far fa-money-bill-alt", "fas fa-money-bill-wave", "fas fa-money-bill-wave-alt", "fas fa-money-check", "fas fa-money-check-alt", "fas fa-monument", "far fa-moon", "fas fa-mortar-pestle", "fas fa-mosque", "fas fa-motorcycle", "fas fa-mountain", "fas fa-mouse", "fas fa-mouse-pointer", "fas fa-mug-hot", "fas fa-music", "fab fa-napster", "fab fa-neos", "fas fa-network-wired", "fas fa-neuter", "far fa-newspaper", "fab fa-nimblr", "fab fa-node", "fab fa-node-js", "fas fa-not-equal", "fas fa-notes-medical", "fab fa-npm", "fab fa-ns8", "fab fa-nutritionix", "far fa-object-group", "far fa-object-ungroup", "fab fa-octopus-deploy", "fab fa-odnoklassniki", "fab fa-odnoklassniki-square", "fas fa-oil-can", "fab fa-old-republic", "fas fa-om", "fab fa-opencart", "fab fa-openid", "fab fa-opera", "fab fa-optin-monster", "fab fa-orcid", "fab fa-osi", "fas fa-otter", "fas fa-outdent", "fab fa-page4", "fab fa-pagelines", "fas fa-pager", "fas fa-paint-brush", "fas fa-paint-roller", "fas fa-palette", "fab fa-palfed", "fas fa-pallet", "far fa-paper-plane", "fas fa-paperclip", "fas fa-parachute-box", "fas fa-paragraph", "fas fa-parking", "fas fa-passport", "fas fa-pastafarianism", "fas fa-paste", "fab fa-patreon", "fas fa-pause", "far fa-pause-circle", "fas fa-paw", "fab fa-paypal", "fas fa-peace", "fas fa-pen", "fas fa-pen-alt", "fas fa-pen-fancy", "fas fa-pen-nib", "fas fa-pen-square", "fas fa-pencil-alt", "fas fa-pencil-ruler", "fab fa-penny-arcade", "fas fa-people-arrows", "fas fa-people-carry", "fas fa-pepper-hot", "fab fa-perbyte", "fas fa-percent", "fas fa-percentage", "fab fa-periscope", "fas fa-person-booth", "fab fa-phabricator", "fab fa-phoenix-framework", "fab fa-phoenix-squadron", "fas fa-phone", "fas fa-phone-alt", "fas fa-phone-slash", "fas fa-phone-square", "fas fa-phone-square-alt", "fas fa-phone-volume", "fas fa-photo-video", "fab fa-php", "fab fa-pied-piper", "fab fa-pied-piper-alt", "fab fa-pied-piper-hat", "fab fa-pied-piper-pp", "fab fa-pied-piper-square", "fas fa-piggy-bank", "fas fa-pills", "fab fa-pinterest", "fab fa-pinterest-p", "fab fa-pinterest-square", "fas fa-pizza-slice", "fas fa-place-of-worship", "fas fa-plane", "fas fa-plane-arrival", "fas fa-plane-departure", "fas fa-plane-slash", "fas fa-play", "far fa-play-circle", "fab fa-playstation", "fas fa-plug", "fas fa-plus", "fas fa-plus-circle", "far fa-plus-square", "fas fa-podcast", "fas fa-poll", "fas fa-poll-h", "fas fa-poo", "fas fa-poo-storm", "fas fa-poop", "fas fa-portrait", "fas fa-pound-sign", "fas fa-power-off", "fas fa-pray", "fas fa-praying-hands", "fas fa-prescription", "fas fa-prescription-bottle", "fas fa-prescription-bottle-alt", "fas fa-print", "fas fa-procedures", "fab fa-product-hunt", "fas fa-project-diagram", "fas fa-pump-medical", "fas fa-pump-soap", "fab fa-pushed", "fas fa-puzzle-piece", "fab fa-python", "fab fa-qq", "fas fa-qrcode", "fas fa-question", "far fa-question-circle", "fas fa-quidditch", "fab fa-quinscape", "fab fa-quora", "fas fa-quote-left", "fas fa-quote-right", "fas fa-quran", "fab fa-r-project", "fas fa-radiation", "fas fa-radiation-alt", "fas fa-rainbow", "fas fa-random", "fab fa-raspberry-pi", "fab fa-ravelry", "fab fa-react", "fab fa-reacteurope", "fab fa-readme", "fab fa-rebel", "fas fa-receipt", "fas fa-record-vinyl", "fas fa-recycle", "fab fa-red-river", "fab fa-reddit", "fab fa-reddit-alien", "fab fa-reddit-square", "fab fa-redhat", "fas fa-redo", "fas fa-redo-alt", "far fa-registered", "fas fa-remove-format", "fab fa-renren", "fas fa-reply", "fas fa-reply-all", "fab fa-replyd", "fas fa-republican", "fab fa-researchgate", "fab fa-resolving", "fas fa-restroom", "fas fa-retweet", "fab fa-rev", "fas fa-ribbon", "fas fa-ring", "fas fa-road", "fas fa-robot", "fas fa-rocket", "fab fa-rocketchat", "fab fa-rockrms", "fas fa-route", "fas fa-rss", "fas fa-rss-square", "fas fa-ruble-sign", "fas fa-ruler", "fas fa-ruler-combined", "fas fa-ruler-horizontal", "fas fa-ruler-vertical", "fas fa-running", "fas fa-rupee-sign", "fab fa-rust", "far fa-sad-cry", "far fa-sad-tear", "fab fa-safari", "fab fa-salesforce", "fab fa-sass", "fas fa-satellite", "fas fa-satellite-dish", "far fa-save", "fab fa-schlix", "fas fa-school", "fas fa-screwdriver", "fab fa-scribd", "fas fa-scroll", "fas fa-sd-card", "fas fa-search", "fas fa-search-dollar", "fas fa-search-location", "fas fa-search-minus", "fas fa-search-plus", "fab fa-searchengin", "fas fa-seedling", "fab fa-sellcast", "fab fa-sellsy", "fas fa-server", "fab fa-servicestack", "fas fa-shapes", "fas fa-share", "fas fa-share-alt", "fas fa-share-alt-square", "far fa-share-square", "fas fa-shekel-sign", "fas fa-shield-alt", "fas fa-shield-virus", "fas fa-ship", "fas fa-shipping-fast", "fab fa-shirtsinbulk", "fas fa-shoe-prints", "fab fa-shopify", "fas fa-shopping-bag", "fas fa-shopping-basket", "fas fa-shopping-cart", "fab fa-shopware", "fas fa-shower", "fas fa-shuttle-van", "fas fa-sign", "fas fa-sign-in-alt", "fas fa-sign-language", "fas fa-sign-out-alt", "fas fa-signal", "fas fa-signature", "fas fa-sim-card", "fab fa-simplybuilt", "fas fa-sink", "fab fa-sistrix", "fas fa-sitemap", "fab fa-sith", "fas fa-skating", "fab fa-sketch", "fas fa-skiing", "fas fa-skiing-nordic", "fas fa-skull", "fas fa-skull-crossbones", "fab fa-skyatlas", "fab fa-slack", "fab fa-slack-hash", "fas fa-slash", "fas fa-sleigh", "fas fa-sliders-h", "fab fa-slideshare", "far fa-smile", "far fa-smile-beam", "far fa-smile-wink", "fas fa-smog", "fas fa-smoking", "fas fa-smoking-ban", "fas fa-sms", "fab fa-snapchat", "fab fa-snapchat-ghost", "fab fa-snapchat-square", "fas fa-snowboarding", "far fa-snowflake", "fas fa-snowman", "fas fa-snowplow", "fas fa-soap", "fas fa-socks", "fas fa-solar-panel", "fas fa-sort", "fas fa-sort-alpha-down", "fas fa-sort-alpha-down-alt", "fas fa-sort-alpha-up", "fas fa-sort-alpha-up-alt", "fas fa-sort-amount-down", "fas fa-sort-amount-down-alt", "fas fa-sort-amount-up", "fas fa-sort-amount-up-alt", "fas fa-sort-down", "fas fa-sort-numeric-down", "fas fa-sort-numeric-down-alt", "fas fa-sort-numeric-up", "fas fa-sort-numeric-up-alt", "fas fa-sort-up", "fab fa-soundcloud", "fab fa-sourcetree", "fas fa-spa", "fas fa-space-shuttle", "fab fa-speakap", "fab fa-speaker-deck", "fas fa-spell-check", "fas fa-spider", "fas fa-spinner", "fas fa-splotch", "fab fa-spotify", "fas fa-spray-can", "far fa-square", "fas fa-square-full", "fas fa-square-root-alt", "fab fa-squarespace", "fab fa-stack-exchange", "fab fa-stack-overflow", "fab fa-stackpath", "fas fa-stamp", "far fa-star", "fas fa-star-and-crescent", "far fa-star-half", "fas fa-star-half-alt", "fas fa-star-of-david", "fas fa-star-of-life", "fab fa-staylinked", "fab fa-steam", "fab fa-steam-square", "fab fa-steam-symbol", "fas fa-step-backward", "fas fa-step-forward", "fas fa-stethoscope", "fab fa-sticker-mule", "far fa-sticky-note", "fas fa-stop", "far fa-stop-circle", "fas fa-stopwatch", "fas fa-stopwatch-20", "fas fa-store", "fas fa-store-alt", "fas fa-store-alt-slash", "fas fa-store-slash", "fab fa-strava", "fas fa-stream", "fas fa-street-view", "fas fa-strikethrough", "fab fa-stripe", "fab fa-stripe-s", "fas fa-stroopwafel", "fab fa-studiovinari", "fab fa-stumbleupon", "fab fa-stumbleupon-circle", "fas fa-subscript", "fas fa-subway", "fas fa-suitcase", "fas fa-suitcase-rolling", "far fa-sun", "fab fa-superpowers", "fas fa-superscript", "fab fa-supple", "far fa-surprise", "fab fa-suse", "fas fa-swatchbook", "fab fa-swift", "fas fa-swimmer", "fas fa-swimming-pool", "fab fa-symfony", "fas fa-synagogue", "fas fa-sync", "fas fa-sync-alt", "fas fa-syringe", "fas fa-table", "fas fa-table-tennis", "fas fa-tablet", "fas fa-tablet-alt", "fas fa-tablets", "fas fa-tachometer-alt", "fas fa-tag", "fas fa-tags", "fas fa-tape", "fas fa-tasks", "fas fa-taxi", "fab fa-teamspeak", "fas fa-teeth", "fas fa-teeth-open", "fab fa-telegram", "fab fa-telegram-plane", "fas fa-temperature-high", "fas fa-temperature-low", "fab fa-tencent-weibo", "fas fa-tenge", "fas fa-terminal", "fas fa-text-height", "fas fa-text-width", "fas fa-th", "fas fa-th-large", "fas fa-th-list", "fab fa-the-red-yeti", "fas fa-theater-masks", "fab fa-themeco", "fab fa-themeisle", "fas fa-thermometer", "fas fa-thermometer-empty", "fas fa-thermometer-full", "fas fa-thermometer-half", "fas fa-thermometer-quarter", "fas fa-thermometer-three-quarters", "fab fa-think-peaks", "far fa-thumbs-down", "far fa-thumbs-up", "fas fa-thumbtack", "fas fa-ticket-alt", "fab fa-tiktok", "fas fa-times", "far fa-times-circle", "fas fa-tint", "fas fa-tint-slash", "far fa-tired", "fas fa-toggle-off", "fas fa-toggle-on", "fas fa-toilet", "fas fa-toilet-paper", "fas fa-toilet-paper-slash", "fas fa-toolbox", "fas fa-tools", "fas fa-tooth", "fas fa-torah", "fas fa-torii-gate", "fas fa-tractor", "fab fa-trade-federation", "fas fa-trademark", "fas fa-traffic-light", "fas fa-trailer", "fas fa-train", "fas fa-tram", "fas fa-transgender", "fas fa-transgender-alt", "fas fa-trash", "far fa-trash-alt", "fas fa-trash-restore", "fas fa-trash-restore-alt", "fas fa-tree", "fab fa-trello", "fab fa-tripadvisor", "fas fa-trophy", "fas fa-truck", "fas fa-truck-loading", "fas fa-truck-monster", "fas fa-truck-moving", "fas fa-truck-pickup", "fas fa-tshirt", "fas fa-tty", "fab fa-tumblr", "fab fa-tumblr-square", "fas fa-tv", "fab fa-twitch", "fab fa-twitter", "fab fa-twitter-square", "fab fa-typo3", "fab fa-uber", "fab fa-ubuntu", "fab fa-uikit", "fab fa-umbraco", "fas fa-umbrella", "fas fa-umbrella-beach", "fab fa-uncharted", "fas fa-underline", "fas fa-undo", "fas fa-undo-alt", "fab fa-uniregistry", "fab fa-unity", "fas fa-universal-access", "fas fa-university", "fas fa-unlink", "fas fa-unlock", "fas fa-unlock-alt", "fab fa-unsplash", "fab fa-untappd", "fas fa-upload", "fab fa-ups", "fab fa-usb", "far fa-user", "fas fa-user-alt", "fas fa-user-alt-slash", "fas fa-user-astronaut", "fas fa-user-check", "far fa-user-circle", "fas fa-user-clock", "fas fa-user-cog", "fas fa-user-edit", "fas fa-user-friends", "fas fa-user-graduate", "fas fa-user-injured", "fas fa-user-lock", "fas fa-user-md", "fas fa-user-minus", "fas fa-user-ninja", "fas fa-user-nurse", "fas fa-user-plus", "fas fa-user-secret", "fas fa-user-shield", "fas fa-user-slash", "fas fa-user-tag", "fas fa-user-tie", "fas fa-user-times", "fas fa-users", "fas fa-users-cog", "fas fa-users-slash", "fab fa-usps", "fab fa-ussunnah", "fas fa-utensil-spoon", "fas fa-utensils", "fab fa-vaadin", "fas fa-vector-square", "fas fa-venus", "fas fa-venus-double", "fas fa-venus-mars", "fas fa-vest", "fas fa-vest-patches", "fab fa-viacoin", "fab fa-viadeo", "fab fa-viadeo-square", "fas fa-vial", "fas fa-vials", "fab fa-viber", "fas fa-video", "fas fa-video-slash", "fas fa-vihara", "fab fa-vimeo", "fab fa-vimeo-square", "fab fa-vimeo-v", "fab fa-vine", "fas fa-virus", "fas fa-virus-slash", "fas fa-viruses", "fab fa-vk", "fab fa-vnv", "fas fa-voicemail", "fas fa-volleyball-ball", "fas fa-volume-down", "fas fa-volume-mute", "fas fa-volume-off", "fas fa-volume-up", "fas fa-vote-yea", "fas fa-vr-cardboard", "fab fa-vuejs", "fas fa-walking", "fas fa-wallet", "fas fa-warehouse", "fab fa-watchman-monitoring", "fas fa-water", "fas fa-wave-square", "fab fa-waze", "fab fa-weebly", "fab fa-weibo", "fas fa-weight", "fas fa-weight-hanging", "fab fa-weixin", "fab fa-whatsapp", "fab fa-whatsapp-square", "fas fa-wheelchair", "fab fa-whmcs", "fas fa-wifi", "fab fa-wikipedia-w", "fas fa-wind", "far fa-window-close", "far fa-window-maximize", "far fa-window-minimize", "far fa-window-restore", "fab fa-windows", "fas fa-wine-bottle", "fas fa-wine-glass", "fas fa-wine-glass-alt", "fab fa-wix", "fab fa-wizards-of-the-coast", "fab fa-wodu", "fab fa-wolf-pack-battalion", "fas fa-won-sign", "fab fa-wordpress", "fab fa-wordpress-simple", "fab fa-wpbeginner", "fab fa-wpexplorer", "fab fa-wpforms", "fab fa-wpressr", "fas fa-wrench", "fas fa-x-ray", "fab fa-xbox", "fab fa-xing", "fab fa-xing-square", "fab fa-y-combinator", "fab fa-yahoo", "fab fa-yammer", "fab fa-yandex", "fab fa-yandex-international", "fab fa-yarn", "fab fa-yelp", "fas fa-yen-sign", "fas fa-yin-yang", "fab fa-yoast", "fab fa-youtube", "fab fa-youtube-square", "fab fa-zhihu"];
	/**
	 * Font awesome icon class names.
	 *
	 * @var		array	Font-awesome class names.
	 * @since	2.0.0
	 */
	private $fa_class_lists = array(
		'fa-500px',
		'fa-adjust',
		'fa-adn',
		'fa-align-center',
		'fa-align-justify',
		'fa-align-left',
		'fa-align-right',
		'fa-amazon',
		'fa-ambulance',
		'fa-anchor',
		'fa-android',
		'fa-angellist',
		'fa-angle-double-down',
		'fa-angle-double-left',
		'fa-angle-double-right',
		'fa-angle-double-up',
		'fa-angle-down',
		'fa-angle-left',
		'fa-angle-right',
		'fa-angle-up',
		'fa-apple',
		'fa-archive',
		'fa-area-chart',
		'fa-arrow-circle-down',
		'fa-arrow-circle-left',
		'fa-arrow-circle-o-down',
		'fa-arrow-circle-o-left',
		'fa-arrow-circle-o-right',
		'fa-arrow-circle-o-up',
		'fa-arrow-circle-right',
		'fa-arrow-circle-up',
		'fa-arrow-down',
		'fa-arrow-left',
		'fa-arrow-right',
		'fa-arrow-up',
		'fa-arrows',
		'fa-arrows-alt',
		'fa-arrows-h',
		'fa-arrows-v',
		'fa-asterisk',
		'fa-at',
		'fa-automobile',
		'fa-backward',
		'fa-balance-scale',
		'fa-ban',
		'fa-bank',
		'fa-bar-chart',
		'fa-bar-chart-o',
		'fa-barcode',
		'fa-bars',
		'fa-battery-0',
		'fa-battery-1',
		'fa-battery-2',
		'fa-battery-3',
		'fa-battery-4',
		'fa-battery-empty',
		'fa-battery-full',
		'fa-battery-half',
		'fa-battery-quarter',
		'fa-battery-three-quarters',
		'fa-bed',
		'fa-beer',
		'fa-behance',
		'fa-behance-square',
		'fa-bell',
		'fa-bell-o',
		'fa-bell-slash',
		'fa-bell-slash-o',
		'fa-bicycle',
		'fa-binoculars',
		'fa-birthday-cake',
		'fa-bitbucket',
		'fa-bitbucket-square',
		'fa-bitcoin',
		'fa-black-tie',
		'fa-bluetooth',
		'fa-bluetooth-b',
		'fa-bold',
		'fa-bolt',
		'fa-bomb',
		'fa-book',
		'fa-bookmark',
		'fa-bookmark-o',
		'fa-briefcase',
		'fa-btc',
		'fa-bug',
		'fa-building',
		'fa-building-o',
		'fa-bullhorn',
		'fa-bullseye',
		'fa-bus',
		'fa-buysellads',
		'fa-cab',
		'fa-calculator',
		'fa-calendar',
		'fa-calendar-check-o',
		'fa-calendar-minus-o',
		'fa-calendar-o',
		'fa-calendar-plus-o',
		'fa-calendar-times-o',
		'fa-camera',
		'fa-camera-retro',
		'fa-car',
		'fa-caret-down',
		'fa-caret-left',
		'fa-caret-right',
		'fa-caret-square-o-down',
		'fa-caret-square-o-left',
		'fa-caret-square-o-right',
		'fa-caret-square-o-up',
		'fa-caret-up',
		'fa-cart-arrow-down',
		'fa-cart-plus',
		'fa-cc',
		'fa-cc-amex',
		'fa-cc-diners-club',
		'fa-cc-discover',
		'fa-cc-jcb',
		'fa-cc-mastercard',
		'fa-cc-paypal',
		'fa-cc-stripe',
		'fa-cc-visa',
		'fa-certificate',
		'fa-chain',
		'fa-chain-broken',
		'fa-check',
		'fa-check-circle',
		'fa-check-circle-o',
		'fa-check-square',
		'fa-check-square-o',
		'fa-chevron-circle-down',
		'fa-chevron-circle-left',
		'fa-chevron-circle-right',
		'fa-chevron-circle-up',
		'fa-chevron-down',
		'fa-chevron-left',
		'fa-chevron-right',
		'fa-chevron-up',
		'fa-child',
		'fa-chrome',
		'fa-circle',
		'fa-circle-o',
		'fa-circle-o-notch',
		'fa-circle-thin',
		'fa-clipboard',
		'fa-clock-o',
		'fa-clone',
		'fa-close',
		'fa-cloud',
		'fa-cloud-download',
		'fa-cloud-upload',
		'fa-cny',
		'fa-code',
		'fa-code-fork',
		'fa-codepen',
		'fa-codiepie',
		'fa-coffee',
		'fa-cog',
		'fa-cogs',
		'fa-columns',
		'fa-comment',
		'fa-comment-o',
		'fa-commenting',
		'fa-commenting-o',
		'fa-comments',
		'fa-comments-o',
		'fa-compass',
		'fa-compress',
		'fa-connectdevelop',
		'fa-contao',
		'fa-copy',
		'fa-copyright',
		'fa-creative-commons',
		'fa-credit-card',
		'fa-credit-card-alt',
		'fa-crop',
		'fa-crosshairs',
		'fa-css3',
		'fa-cube',
		'fa-cubes',
		'fa-cut',
		'fa-cutlery',
		'fa-dashboard',
		'fa-dashcube',
		'fa-database',
		'fa-dedent',
		'fa-delicious',
		'fa-desktop',
		'fa-deviantart',
		'fa-diamond',
		'fa-digg',
		'fa-dollar',
		'fa-dot-circle-o',
		'fa-download',
		'fa-dribbble',
		'fa-dropbox',
		'fa-drupal',
		'fa-edge',
		'fa-edit',
		'fa-eject',
		'fa-ellipsis-h',
		'fa-ellipsis-v',
		'fa-empire',
		'fa-envelope',
		'fa-envelope-o',
		'fa-envelope-square',
		'fa-eraser',
		'fa-eur',
		'fa-euro',
		'fa-exchange',
		'fa-exclamation',
		'fa-exclamation-circle',
		'fa-exclamation-triangle',
		'fa-expand',
		'fa-expeditedssl',
		'fa-external-link',
		'fa-external-link-square',
		'fa-eye',
		'fa-eye-slash',
		'fa-eyedropper',
		'fa-facebook',
		'fa-facebook-f',
		'fa-facebook-official',
		'fa-facebook-square',
		'fa-fast-backward',
		'fa-fast-forward',
		'fa-fax',
		'fa-feed',
		'fa-female',
		'fa-fighter-jet',
		'fa-file',
		'fa-file-archive-o',
		'fa-file-audio-o',
		'fa-file-code-o',
		'fa-file-excel-o',
		'fa-file-image-o',
		'fa-file-movie-o',
		'fa-file-o',
		'fa-file-pdf-o',
		'fa-file-photo-o',
		'fa-file-picture-o',
		'fa-file-powerpoint-o',
		'fa-file-sound-o',
		'fa-file-text',
		'fa-file-text-o',
		'fa-file-video-o',
		'fa-file-word-o',
		'fa-file-zip-o',
		'fa-files-o',
		'fa-film',
		'fa-filter',
		'fa-fire',
		'fa-fire-extinguisher',
		'fa-firefox',
		'fa-flag',
		'fa-flag-checkered',
		'fa-flag-o',
		'fa-flash',
		'fa-flask',
		'fa-flickr',
		'fa-floppy-o',
		'fa-folder',
		'fa-folder-o',
		'fa-folder-open',
		'fa-folder-open-o',
		'fa-font',
		'fa-fonticons',
		'fa-fort-awesome',
		'fa-forumbee',
		'fa-forward',
		'fa-foursquare',
		'fa-frown-o',
		'fa-futbol-o',
		'fa-gamepad',
		'fa-gavel',
		'fa-gbp',
		'fa-ge',
		'fa-gear',
		'fa-gears',
		'fa-genderless',
		'fa-get-pocket',
		'fa-gg',
		'fa-gg-circle',
		'fa-gift',
		'fa-git',
		'fa-git-square',
		'fa-github',
		'fa-github-alt',
		'fa-github-square',
		'fa-gittip',
		'fa-glass',
		'fa-globe',
		'fa-google',
		'fa-google-plus',
		'fa-google-plus-square',
		'fa-google-wallet',
		'fa-graduation-cap',
		'fa-gratipay',
		'fa-group',
		'fa-h-square',
		'fa-hacker-news',
		'fa-hand-grab-o',
		'fa-hand-lizard-o',
		'fa-hand-o-down',
		'fa-hand-o-left',
		'fa-hand-o-right',
		'fa-hand-o-up',
		'fa-hand-paper-o',
		'fa-hand-peace-o',
		'fa-hand-pointer-o',
		'fa-hand-rock-o',
		'fa-hand-scissors-o',
		'fa-hand-spock-o',
		'fa-hand-stop-o',
		'fa-hashtag',
		'fa-hdd-o',
		'fa-header',
		'fa-headphones',
		'fa-heart',
		'fa-heart-o',
		'fa-heartbeat',
		'fa-history',
		'fa-home',
		'fa-hospital-o',
		'fa-hotel',
		'fa-hourglass',
		'fa-hourglass-1',
		'fa-hourglass-2',
		'fa-hourglass-3',
		'fa-hourglass-end',
		'fa-hourglass-half',
		'fa-hourglass-o',
		'fa-hourglass-start',
		'fa-houzz',
		'fa-html5',
		'fa-i-cursor',
		'fa-ils',
		'fa-image',
		'fa-inbox',
		'fa-indent',
		'fa-industry',
		'fa-info',
		'fa-info-circle',
		'fa-inr',
		'fa-instagram',
		'fa-institution',
		'fa-internet-explorer',
		'fa-intersex',
		'fa-ioxhost',
		'fa-italic',
		'fa-joomla',
		'fa-jpy',
		'fa-jsfiddle',
		'fa-key',
		'fa-keyboard-o',
		'fa-krw',
		'fa-language',
		'fa-laptop',
		'fa-lastfm',
		'fa-lastfm-square',
		'fa-leaf',
		'fa-leanpub',
		'fa-legal',
		'fa-lemon-o',
		'fa-level-down',
		'fa-level-up',
		'fa-life-bouy',
		'fa-life-buoy',
		'fa-life-ring',
		'fa-life-saver',
		'fa-lightbulb-o',
		'fa-line-chart',
		'fa-link',
		'fa-linkedin',
		'fa-linkedin-square',
		'fa-linux',
		'fa-list',
		'fa-list-alt',
		'fa-list-ol',
		'fa-list-ul',
		'fa-location-arrow',
		'fa-lock',
		'fa-long-arrow-down',
		'fa-long-arrow-left',
		'fa-long-arrow-right',
		'fa-long-arrow-up',
		'fa-magic',
		'fa-magnet',
		'fa-mail-forward',
		'fa-mail-reply',
		'fa-mail-reply-all',
		'fa-male',
		'fa-map',
		'fa-map-marker',
		'fa-map-o',
		'fa-map-pin',
		'fa-map-signs',
		'fa-mars',
		'fa-mars-double',
		'fa-mars-stroke',
		'fa-mars-stroke-h',
		'fa-mars-stroke-v',
		'fa-maxcdn',
		'fa-meanpath',
		'fa-medium',
		'fa-medkit',
		'fa-meh-o',
		'fa-mercury',
		'fa-microphone',
		'fa-microphone-slash',
		'fa-minus',
		'fa-minus-circle',
		'fa-minus-square',
		'fa-minus-square-o',
		'fa-mixcloud',
		'fa-mobile',
		'fa-mobile-phone',
		'fa-modx',
		'fa-money',
		'fa-moon-o',
		'fa-mortar-board',
		'fa-motorcycle',
		'fa-mouse-pointer',
		'fa-music',
		'fa-navicon',
		'fa-neuter',
		'fa-newspaper-o',
		'fa-object-group',
		'fa-object-ungroup',
		'fa-odnoklassniki',
		'fa-odnoklassniki-square',
		'fa-opencart',
		'fa-openid',
		'fa-opera',
		'fa-optin-monster',
		'fa-outdent',
		'fa-pagelines',
		'fa-paint-brush',
		'fa-paper-plane',
		'fa-paper-plane-o',
		'fa-paperclip',
		'fa-paragraph',
		'fa-paste',
		'fa-pause',
		'fa-pause-circle',
		'fa-pause-circle-o',
		'fa-paw',
		'fa-paypal',
		'fa-pencil',
		'fa-pencil-square',
		'fa-pencil-square-o',
		'fa-percent',
		'fa-phone',
		'fa-phone-square',
		'fa-photo',
		'fa-picture-o',
		'fa-pie-chart',
		'fa-pied-piper',
		'fa-pied-piper-alt',
		'fa-pinterest',
		'fa-pinterest-p',
		'fa-pinterest-square',
		'fa-plane',
		'fa-play',
		'fa-play-circle',
		'fa-play-circle-o',
		'fa-plug',
		'fa-plus',
		'fa-plus-circle',
		'fa-plus-square',
		'fa-plus-square-o',
		'fa-power-off',
		'fa-print',
		'fa-product-hunt',
		'fa-puzzle-piece',
		'fa-qq',
		'fa-qrcode',
		'fa-question',
		'fa-question-circle',
		'fa-quote-left',
		'fa-quote-right',
		'fa-ra',
		'fa-random',
		'fa-rebel',
		'fa-recycle',
		'fa-reddit',
		'fa-reddit-alien',
		'fa-reddit-square',
		'fa-refresh',
		'fa-registered',
		'fa-remove',
		'fa-renren',
		'fa-reorder',
		'fa-repeat',
		'fa-reply',
		'fa-reply-all',
		'fa-retweet',
		'fa-rmb',
		'fa-road',
		'fa-rocket',
		'fa-rotate-left',
		'fa-rotate-right',
		'fa-rouble',
		'fa-rss',
		'fa-rss-square',
		'fa-rub',
		'fa-ruble',
		'fa-rupee',
		'fa-safari',
		'fa-save',
		'fa-scissors',
		'fa-scribd',
		'fa-search',
		'fa-search-minus',
		'fa-search-plus',
		'fa-sellsy',
		'fa-send',
		'fa-send-o',
		'fa-server',
		'fa-share',
		'fa-share-alt',
		'fa-share-alt-square',
		'fa-share-square',
		'fa-share-square-o',
		'fa-shekel',
		'fa-sheqel',
		'fa-shield',
		'fa-ship',
		'fa-shirtsinbulk',
		'fa-shopping-bag',
		'fa-shopping-basket',
		'fa-shopping-cart',
		'fa-sign-in',
		'fa-sign-out',
		'fa-signal',
		'fa-simplybuilt',
		'fa-sitemap',
		'fa-skyatlas',
		'fa-slack',
		'fa-sliders-h',
		'fa-slideshare',
		'fa-smile-o',
		'fa-soccer-ball-o',
		'fa-sort',
		'fa-sort-alpha-asc',
		'fa-sort-alpha-desc',
		'fa-sort-amount-asc',
		'fa-sort-amount-desc',
		'fa-sort-asc',
		'fa-sort-desc',
		'fa-sort-down',
		'fa-sort-numeric-asc',
		'fa-sort-numeric-desc',
		'fa-sort-up',
		'fa-soundcloud',
		'fa-space-shuttle',
		'fa-spinner',
		'fa-spoon',
		'fa-spotify',
		'fa-square',
		'fa-square-o',
		'fa-stack-exchange',
		'fa-stack-overflow',
		'fa-star',
		'fa-star-half',
		'fa-star-half-empty',
		'fa-star-half-full',
		'fa-star-half-o',
		'fa-star-o',
		'fa-steam',
		'fa-steam-square',
		'fa-step-backward',
		'fa-step-forward',
		'fa-stethoscope',
		'fa-sticky-note',
		'fa-sticky-note-o',
		'fa-stop',
		'fa-stop-circle',
		'fa-stop-circle-o',
		'fa-street-view',
		'fa-strikethrough',
		'fa-stumbleupon',
		'fa-stumbleupon-circle',
		'fa-subscript',
		'fa-subway',
		'fa-suitcase',
		'fa-sun-o',
		'fa-superscript',
		'fa-support',
		'fa-table',
		'fa-tablet',
		'fa-tachometer',
		'fa-tag',
		'fa-tags',
		'fa-tasks',
		'fa-taxi',
		'fa-television',
		'fa-tencent-weibo',
		'fa-terminal',
		'fa-text-height',
		'fa-text-width',
		'fa-th',
		'fa-th-large',
		'fa-th-list',
		'fa-thumb-tack',
		'fa-thumbs-down',
		'fa-thumbs-o-down',
		'fa-thumbs-o-up',
		'fa-thumbs-up',
		'fa-ticket',
		'fa-times',
		'fa-times-circle',
		'fa-times-circle-o',
		'fa-tint',
		'fa-toggle-down',
		'fa-toggle-left',
		'fa-toggle-off',
		'fa-toggle-on',
		'fa-toggle-right',
		'fa-toggle-up',
		'fa-trademark',
		'fa-train',
		'fa-transgender',
		'fa-transgender-alt',
		'fa-trash',
		'fa-trash-o',
		'fa-tree',
		'fa-trello',
		'fa-tripadvisor',
		'fa-trophy',
		'fa-truck',
		'fa-try',
		'fa-tty',
		'fa-tumblr',
		'fa-tumblr-square',
		'fa-turkish-lira',
		'fa-tv',
		'fa-twitch',
		'fa-twitter',
		'fa-twitter-square',
		'fa-umbrella',
		'fa-underline',
		'fa-undo',
		'fa-university',
		'fa-unlink',
		'fa-unlock',
		'fa-unlock-alt',
		'fa-unsorted',
		'fa-upload',
		'fa-usb',
		'fa-usd',
		'fa-user',
		'fa-user-md',
		'fa-user-plus',
		'fa-user-secret',
		'fa-user-times',
		'fa-users',
		'fa-venus',
		'fa-venus-double',
		'fa-venus-mars',
		'fa-viacoin',
		'fa-video-camera',
		'fa-vimeo',
		'fa-vimeo-square',
		'fa-vine',
		'fa-vk',
		'fa-volume-down',
		'fa-volume-off',
		'fa-volume-up',
		'fa-warning',
		'fa-wechat',
		'fa-weibo',
		'fa-weixin',
		'fa-whatsapp',
		'fa-wheelchair',
		'fa-wifi',
		'fa-wikipedia-w',
		'fa-windows',
		'fa-won',
		'fa-wordpress',
		'fa-wrench',
		'fa-xing',
		'fa-xing-square',
		'fa-y-combinator',
		'fa-y-combinator-square',
		'fa-yahoo',
		'fa-yc',
		'fa-yc-square',
		'fa-yelp',
		'fa-yen',
		'fa-youtube',
		'fa-youtube-play',
		'fa-youtube-square',
		// New
		'fa-address-book',
		'fa-address-book-o',
		'fa-address-card',
		'fa-address-card-o',
		'fa-vcard',
		'fa-vcard-o',
		'fa-bandcamp',
		'fa-bathtub',
		'fa-s15',
		'fa-bath',
		'fa-id-card',
		'fa-drivers-license-o',
		'fa-id-card-o',
		'fa-eercast',
		'fa-envelope-open',
		'fa-envelope-open-o',
		'fa-etsy',
		'fa-free-code-camp',
		'fa-grav',
		'fa-handshake-o',
		'fa-id-badge',
		'fa-id-card-o',
		'fa-imdb',
		'fa-linode',
		'fa-meetup',
		'fa-microchip',
		'fa-podcast',
		'fa-quora',
		'fa-ravelry',
		'fa-shower',
		'fa-snowflake-o',
		'fa-superpowers',
		'fa-telegram',
		'fa-thermometer',
		'fa-thermometer-full',
		'fa-thermometer-4',
		'fa-thermometer-3',
		'fa-thermometer-three-quarters',
		'fa-thermometer-2',
		'fa-thermometer-half',
		'fa-thermometer-1',
		'fa-thermometer-quarter',
		'fa-thermometer-0',
		'fa-thermometer-empty',
		'fa-window-close',
		'fa-window-close-o',
		'fa-user-circle',
		'fa-user-circle-o',
		'fa-user-o',
		'fa-window-maximize',
		'fa-window-restore',
		'fa-wpexplorer'
	);

	/**
	 * Fontawesome icons array.
	 *
	 * @var		array	Fontawesome icons.
	 * @since	2.0.0
	 */
	private $icons = array();


	/**
	 * Constructor function.
	 *
	 * @return 	void
	 * @since	2.0.0
	 */
	public function __construct($version = 5)
	{
		if ($version === 4)
		{
			$this->icons = $this->fa_class_lists;
		}
		elseif ($version === 5)
		{
			$this->icons = $this->fa5_classes;
		}
	}

	/**
	 * Get icon list.
	 *
	 * @param	int		$version	The fontawesome version.
	 *
	 * @return 	array	Fontawesome icons.
	 * @Since	1.0.0
	 */
	public function getIcons()
	{
		return $this->icons;
	}

	/**
	 * Add icon into the array.
	 *
	 * @param	string	$icon	The icon class
	 *
	 * @return	void
	 * @since	2.0.0
	 */
	public function addIcon($icon)
	{
		$this->icons[] = $icon;
	}
}
