database = $database; // Changed Shortcode Name to be unique (tcvs_) add_shortcode( 'tcvs_verification', array( $this, 'verification_form_shortcode' ) ); // Changed AJAX Handlers to tcvs_ prefix add_action( 'wp_ajax_tcvs_verify_certificate', array( $this, 'ajax_verify_certificate' ) ); add_action( 'wp_ajax_nopriv_tcvs_verify_certificate', array( $this, 'ajax_verify_certificate' ) ); } public function verification_form_shortcode( $atts ) { wp_enqueue_style( 'tcvs-frontend-style' ); wp_enqueue_script( 'tcvs-frontend-script' ); ob_start(); ?> database->get_certificate_by_number( $certificate_number ); if ( ! $certificate ) { wp_send_json_error( 'Certificate not found. Please check the number and try again.' ); } $html = $this->display_certificate( $certificate ); wp_send_json_success( array( 'html' => $html ) ); } public function display_certificate( $certificate ): string { $settings = $this->database->get_institute_settings(); $inst_name = !empty($settings->institute_name) ? $settings->institute_name : 'Your Institute Name'; $inst_logo = $settings->institute_logo ?? ''; $inst_addr = $settings->institute_address ?? ''; $inst_phone = $settings->institute_phone ?? ''; $inst_email = $settings->institute_email ?? ''; $inst_sig = $settings->signature_image ?? ''; $verified_img = $settings->verified_by_image ?? ''; $date_source = ''; if ( ! empty( $certificate->issue_date ) && $certificate->issue_date !== '0000-00-00' ) { $date_source = $certificate->issue_date; } elseif ( ! empty( $certificate->created_at ) ) { $date_source = $certificate->created_at; } else { $date_source = current_time( 'Y-m-d' ); } $timestamp = strtotime( $date_source ); if ( $timestamp ) { $formatted_date = date_i18n( get_option( 'date_format' ), $timestamp ); } else { $formatted_date = date_i18n( get_option( 'date_format' ) ); } ob_start(); ?>