File Content: file-upload-backend.php <?php /** * File upload on the entry page * * @var int $max_file_number Max file number. * @var string $preview_hint Hint message on the preview. * @var string $modern_classes Modern classes. * @var string $classic_classes Classic classes. */ if ( ! defined( 'ABSPATH' ) ) { exit; } $hidden_class = $max_file_number < 2 ? 'wpforms-hide' : ''; ?> <div class="<?php echo wpforms_sanitize_classes( $modern_classes ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>"> <svg viewBox="0 0 1024 1024" focusable="false" data-icon="inbox" width="50px" height="50px" fill="#B1B1B1" aria-hidden="true"> <path d="M885.2 446.3l-.2-.8-112.2-285.1c-5-16.1-19.9-27.2-36.8-27.2H281.2c-17 0-32.1 11.3-36.9 27.6L139.4 443l-.3.7-.2.8c-1.3 4.9-1.7 9.9-1 14.8-.1 1.6-.2 3.2-.2 4.8V830a60.9 60.9 0 0 0 60.8 60.8h627.2c33.5 0 60.8-27.3 60.9-60.8V464.1c0-1.3 0-2.6-.1-3.7.4-4.9 0-9.6-1.3-14.1zm-295.8-43l-.3 15.7c-.8 44.9-31.8 75.1-77.1 75.1-22.1 0-41.1-7.1-54.8-20.6S436 441.2 435.6 419l-.3-15.7H229.5L309 210h399.2l81.7 193.3H589.4zm-375 76.8h157.3c24.3 57.1 76 90.8 140.4 90.8 33.7 0 65-9.4 90.3-27.2 22.2-15.6 39.5-37.4 50.7-63.6h156.5V814H214.4V480.1z"></path> </svg> <span class="modern-title"> <?php echo esc_html( _n( 'Click or drag a file to this area to upload.', 'Click or drag files to this area to upload.', $max_file_number, 'wpforms-lite' ) ); ?> </span> <span class="modern-hint <?php echo sanitize_html_class( $hidden_class ); ?>"> <?php echo esc_html( $preview_hint ); ?> </span> </div> <div class="<?php echo wpforms_sanitize_classes( $classic_classes ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>"> <input type="file" class="primary-input" readonly> </div> Submit