['pdf'], 'fa-file-image' => Attachment::PICTURE_EXTS, 'fa-file-alt' => ['txt', 'md', 'rtf', 'log', 'rst', 'tex'], 'fa-file-csv' => ['csv'], 'fa-file-word' => ['doc', 'docx', 'odt'], 'fa-file-archive' => ['zip', 'rar', 'bz2', 'tar', '7z', 'gz'], 'fa-file-audio' => ['mp3', 'wav', 'aac', 'm4a', 'wma'], 'fa-file-powerpoint' => ['ppt', 'pptx', 'odp', 'pps', 'key'], 'fa-file-excel' => ['xls', 'xlr', 'xlsx', 'ods'], 'fa-file-code' => ['php', 'xml', 'html', 'js', 'ts', 'htm', 'c', 'cpp'], 'fa-file-video' => ['webm', 'avi', 'mp4', 'mkv', 'wmv'], ]; /** * Gets the Font awesome icon class for a file with the specified extension. * For example 'pdf' gives you 'fa-file-pdf'. * * @param string $extension The file extension (without dot). Must be ASCII chars only! * * @return string The fontawesome class with leading 'fa-' */ public function fileExtensionToFAType(string $extension): string { if ('' === $extension) { throw new InvalidArgumentException('You must specify an extension!'); } //Normalize file extension $extension = strtolower($extension); foreach (self::EXT_MAPPING as $fa => $exts) { if (in_array($extension, $exts, true)) { return $fa; } } // When the extension is not found in the mapping array, we return the generic icon return 'fa-file'; } /** * Returns HTML code to show the given fontawesome icon. * E.g. . * * @param string $icon_class The icon which should be shown (e.g. fa-file-text) * @param string $style The style of the icon 'fas' * @param string $options Any other css class attributes like size, etc. * * @return string The final html */ public function generateIconHTML(string $icon_class, string $style = 'fas', string $options = ''): string { //XSS protection $icon_class = htmlspecialchars($icon_class); $style = htmlspecialchars($style); $options = htmlspecialchars($options); return sprintf( '', $style, $icon_class, $options ); } }