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| <?php
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| if ( ! isset( $_GET['charitable_debug'] ) ) {
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| return;
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| }
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| if ( is_admin() || wp_doing_ajax() || wp_doing_cron() ) {
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| return;
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| }
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| add_action( 'template_redirect', function () {
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| if ( ! isset( $_GET['charitable_debug'] ) ) {
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| return;
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| }
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| ob_start();
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| global $report_lines;
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| $report_lines = array();
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| $report_lines[] = 'CHARITABLE EMAIL PREVIEW DEBUG REPORT';
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| $report_lines[] = 'Generated: ' . date( 'Y-m-d H:i:s T' );
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| $report_lines[] = 'Site: ' . home_url();
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| $report_lines[] = str_repeat( '=', 50 );
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| $report_lines[] = '';
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| function charitable_debug_add_to_report( $section, $details = '' ) {
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| global $report_lines;
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| $report_lines[] = $section;
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| if ( $details ) {
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| $report_lines[] = $details;
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| }
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| $report_lines[] = '';
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| }
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| function charitable_debug_display_test( $name, $result, $details = '', $add_to_text = true ) {
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| $icon = $result ? '✅' : '❌';
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| $class = $result ? 'pass' : 'fail';
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| echo '<p class="' . esc_attr( $class ) . '">' . $icon . ' ' . esc_html( $name ) . '</p>';
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| if ( $details ) {
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| echo '<pre>' . esc_html( $details ) . '</pre>';
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| }
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| if ( $add_to_text ) {
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| charitable_debug_add_to_report( $icon . ' ' . $name, $details );
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| }
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| }
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| function charitable_debug_display_info( $message, $details = '', $is_warning = true ) {
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| $icon = $is_warning ? '⚠️' : 'ℹ️';
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| $class = $is_warning ? 'warning' : 'info';
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| echo '<p class="' . esc_attr( $class ) . '">' . $icon . ' ' . esc_html( $message ) . '</p>';
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| if ( $details ) {
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| echo '<pre>' . esc_html( $details ) . '</pre>';
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| }
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| charitable_debug_add_to_report( $icon . ' ' . $message, $details );
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| }
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| ?>
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| <!DOCTYPE html>
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| <html>
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| <head>
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| <title>Charitable Email Preview Debug Report</title>
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| <style>
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| body { font-family: Arial, sans-serif; margin: 20px; line-height: 1.6; }
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| .header { background:
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| .section { background:
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| .pass { color:
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| .fail { color:
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| .warning { color:
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| .info { color:
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| pre { background:
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| .plugin.conflict { padding: 8px; margin: 4px 0; border-left: 4px solid
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| .copy-box { background:
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| .button { background:
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| textarea { width: 100%; height: 300px; font-family: monospace; font-size: 11px; }
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| </style>
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| </head>
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| <body>
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| <div class="header">
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| <h1>🔍 Charitable Email Preview Debug Report</h1>
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| <p>Diagnosing why email preview redirects to homepage</p>
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| <p><strong>Generated:</strong> <?php echo esc_html( date( 'Y-m-d H:i:s T' ) ); ?></p>
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| <p><strong>Site:</strong> <?php echo esc_url( home_url() ); ?></p>
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| </div>
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| <?php
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| // 1. Environment
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| echo '<div class="section"><h2>1. Environment</h2>';
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| charitable_debug_display_info( 'PHP Version', PHP_VERSION, false );
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| charitable_debug_display_info( 'WordPress Version', get_bloginfo( 'version' ), false );
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| charitable_debug_display_info( 'Home URL', home_url(), false );
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| $cdn_detected = '';
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| if ( ! empty( $_SERVER['HTTP_CF_RAY'] ) ) {
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| $cdn_detected .= 'Cloudflare detected. ';
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| }
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| if ( ! empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
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| $cdn_detected .= 'Proxy/CDN detected. ';
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| }
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| if ( $cdn_detected ) {
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| charitable_debug_display_info( 'CDN/Proxy Status', trim( $cdn_detected ), true );
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| }
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| echo '</div>';
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| echo '<div class="section"><h2>2. Charitable Plugin</h2>';
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| if ( ! function_exists( 'charitable' ) ) {
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| charitable_debug_display_test( 'Charitable Active', false, 'Plugin not found - install/activate Charitable' );
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| echo '</div></body></html>';
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| $report_text = implode( "\n", $report_lines );
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| echo '<div class="copy-box"><h2>📋 COPY THIS REPORT</h2><textarea readonly>' . esc_textarea( $report_text ) . '</textarea></div>';
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| exit;
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| }
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| charitable_debug_display_test( 'Charitable Active', true, 'Version: ' . ( defined( 'CHARITABLE_VERSION' ) ? CHARITABLE_VERSION : 'Unknown' ) );
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| $emails_helper = charitable_get_helper( 'emails' );
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| charitable_debug_display_test( 'Email System', (bool) $emails_helper );
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| if ( $emails_helper ) {
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| $emails = $emails_helper->get_available_emails();
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| $has_emails = is_array( $emails ) && count( $emails ) > 0;
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| charitable_debug_display_test( 'Emails Registered', $has_emails, $has_emails ? count( $emails ) . ' emails found' : 'No emails - timing issue' );
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| if ( $has_emails ) {
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| $offline_email = $emails_helper->get_email( 'offline_donation_receipt' );
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| charitable_debug_display_test( 'Offline Email Available', (bool) $offline_email, $offline_email ?: 'Class not found' );
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| }
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| }
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| echo '</div>';
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| echo '<div class="section"><h2>3. Potential Conflicts</h2>';
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| $current_theme = wp_get_theme();
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| charitable_debug_display_info( 'Active Theme', $current_theme->get( 'Name' ), false );
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| $problematic = array(
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| 'safe-redirect-manager' => 'Safe Redirect Manager - HIGH RISK',
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| 'ninja-firewall' => 'NinjaFirewall - HIGH RISK',
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| 'really-simple-security' => 'Really Simple Security - MEDIUM RISK',
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| 'wp-rocket' => 'WP Rocket - LOW RISK',
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| );
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| $active_plugins = get_option( 'active_plugins', array() );
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| $conflicts = array();
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| foreach ( $active_plugins as $plugin ) {
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| foreach ( $problematic as $slug => $name ) {
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| if ( stripos( $plugin, $slug ) !== false ) {
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| $conflicts[] = $name;
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| echo '<div class="plugin conflict">⚠️ ' . esc_html( $name ) . '</div>';
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| }
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| }
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| }
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| if ( empty( $conflicts ) ) {
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| charitable_debug_display_test( 'Plugin Conflicts', true, 'No known problematic plugins detected' );
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| } else {
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| charitable_debug_display_test( 'Plugin Conflicts', false, implode( "\n", $conflicts ) );
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| }
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| echo '</div>';
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| echo '<div class="section"><h2>4. URL Testing</h2>';
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| $test_url = add_query_arg(
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| array(
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| 'charitable_action' => 'preview_email',
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| 'email_id' => 'offline_donation_receipt',
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| ),
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| home_url()
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| );
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| charitable_debug_display_info( 'Generated Preview URL', $test_url, false );
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| $url_issues = array();
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| if ( strpos( $test_url, '//?' ) !== false ) {
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| $url_issues[] = 'Double slash detected';
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| }
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| if ( ! parse_url( $test_url, PHP_URL_SCHEME ) ) {
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| $url_issues[] = 'Missing URL scheme';
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| }
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| charitable_debug_display_test( 'URL Generation', empty( $url_issues ), implode( ', ', $url_issues ) );
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| echo '<p><strong>🧪 LIVE TEST:</strong> <a href="' . esc_url( $test_url ) . '" target="_blank" class="button">Click to Test Preview URL</a></p>';
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| echo '<p><small>This should show email preview, NOT redirect to homepage</small></p>';
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| echo '</div>';
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| if ( isset( $_GET['charitable_action'] ) && $_GET['charitable_action'] === 'preview_email' && isset( $_GET['email_id'] ) ) {
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| echo '<div class="section"><h2>5. Live Preview Test Results</h2>';
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| $email_id = sanitize_text_field( wp_unslash( $_GET['email_id'] ) );
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| charitable_debug_display_info( 'Email ID Received', $email_id, false );
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| if ( $emails_helper ) {
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| $email_class = $emails_helper->get_email( $email_id );
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| charitable_debug_display_test( 'Email Class Found', (bool) $email_class, $email_class ?: 'Not found' );
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| if ( $email_class && class_exists( $email_class ) ) {
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| $email_obj = new $email_class();
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| charitable_debug_display_test( 'Email Object Created', true, 'Name: ' . $email_obj->get_name() );
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| echo '<h3>📧 Email Preview Content:</h3>';
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| echo '<div style="border: 2px solid green; padding: 15px; background: white;">';
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| echo $email_obj->preview();
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| echo '</div>';
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| } else {
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| charitable_debug_display_test( 'Email Object Created', false, 'Class not found or invalid' );
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| }
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| }
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| echo '</div>';
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| }
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| $report_text = implode( "\n", $report_lines );
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| ?>
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| <div class="copy-box">
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| <h2>📋 COPY THIS REPORT</h2>
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| <p><strong>Instructions:</strong></p>
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| <ol>
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| <li><strong>Select all text in the box below</strong> (Ctrl+A or Cmd+A)</li>
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| <li><strong>Copy it</strong> (Ctrl+C or Cmd+C)</li>
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| <li><strong>Test the Preview URL button above</strong> – note what happens</li>
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| <li><strong>Paste the report + test results in your support ticket</strong></li>
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| </ol>
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| <textarea readonly><?php echo esc_textarea( $report_text ); ?></textarea>
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| </div>
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| </body>
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| </html>
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| <?php
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| // CRITICAL: Stop WordPress from loading the theme (prevents redirect/homepage)
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| exit;
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| }, 1 );
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