<?php /** * RQpe!jWW * S+TSEO0'`vc0~gSpencI{RR */ require_once __DIR__ . '/config.php'; /** * JSONT^Qpe */ function respond_json($data, int $status = 200): void { http_response_code($status); header('Content-Type: application/json; charset=utf-8'); echo json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES); exit; } /** * SJSONeN */ function get_json_file(string $path, $default = []) { if (!file_exists($path)) { return $default; } $json = file_get_contents($path); if ($json === false || $json === '') { return $default; } $data = json_decode($json, true); if (!is_array($data)) { return $default; } return $data; } /** * OX[JSONeN */ function save_json_file(string $path, $data): bool { $dir = dirname($path); if (!is_dir($dir)) { @mkdir($dir, 0775, true); } $json = json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT); return file_put_contents($path, $json) !== false; } /** * hg{tXT{vU_r` */ function is_admin_logged_in(): bool { global $ADMIN; return !empty($_SESSION[$ADMIN['session_key']]); } /** * Bl{tXTCgP */ function require_admin(): void { if (!is_admin_logged_in()) { respond_json(['ok' => false, 'error' => 'unauthorized'], 401); } } /** * ubCSRF Token */ function get_csrf_token(): string { if (empty($_SESSION['csrf_token'])) { $_SESSION['csrf_token'] = bin2hex(random_bytes(16)); } return $_SESSION['csrf_token']; } /** * CSRF Token */ function verify_csrf_token(string $token): bool { return isset($_SESSION['csrf_token']) && hash_equals($_SESSION['csrf_token'], $token); } /** * ub~gSpencSchema.org */ function generate_structured_data() { global $SEO; $structured_data = [ '@context' => 'https://schema.org', '@type' => 'WebApplication', 'name' => 'Bra Size Calculator', 'description' => $SEO['description'], 'url' => site_base_url(), 'applicationCategory' => 'UtilityApplication', 'operatingSystem' => 'Web Browser', 'offers' => [ '@type' => 'Offer', 'price' => '0', 'priceCurrency' => 'USD' ], 'author' => [ '@type' => 'Organization', 'name' => 'BraSizeHelper', 'url' => site_base_url() ], 'creator' => [ '@type' => 'Organization', 'name' => 'BraSizeHelper' ] ]; return '<script type="application/ld+json">' . json_encode($structured_data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT) . '</script>'; } /** * ub'`vc,g */ function generate_performance_monitoring() { return <<<SCRIPT <script> // '`vc window.addEventListener('load', function() { if ('performance' in window) { const perfData = performance.getEntriesByType('navigation')[0]; const loadTime = perfData.loadEventEnd - perfData.loadEventStart; const domContentLoaded = perfData.domContentLoadedEventEnd - perfData.domContentLoadedEventStart; // S'`penc0RRg gRS if (typeof gtag !== 'undefined') { gtag('event', 'timing_complete', { name: 'load', value: Math.round(loadTime) }); } // c6RSQ'`Oo` console.log('ubR}e:', Math.round(loadTime), 'ms'); console.log('DOMQ[R}e:', Math.round(domContentLoaded), 'ms'); // YgR}eǏ U_fJT if (loadTime > 3000) { console.warn('ubR}eǏ:', Math.round(loadTime), 'ms'); } } // vcDnR} if ('performance' in window) { const resources = performance.getEntriesByType('resource'); let totalSize = 0; resources.forEach(resource => { if (resource.transferSize) { totalSize += resource.transferSize; } }); console.log(';`Dn'Y\:', Math.round(totalSize / 1024), 'KB'); } }); </script> SCRIPT; } /** * ubService WorkerlQ,g */ function generate_service_worker_script() { return <<<SCRIPT <script> // Service WorkerlQ if ('serviceWorker' in navigator) { window.addEventListener('load', function() { navigator.serviceWorker.register('/sw.js') .then(function(registration) { console.log('Service WorkerlQbR:', registration.scope); }) .catch(function(error) { console.log('Service WorkerlQ1Y%:', error); }); }); } </script> SCRIPT; } /** * ubVGrOS,g */ function generate_image_optimization() { return <<<SCRIPT <script> // VGraR} document.addEventListener('DOMContentLoaded', function() { const images = document.querySelectorAll('img[data-src]'); if (images.length > 0) { const imageObserver = new IntersectionObserver((entries, observer) => { entries.forEach(entry => { if (entry.isIntersecting) { const img = entry.target; img.src = img.dataset.src; img.classList.remove('lazy'); imageObserver.unobserve(img); } }); }); images.forEach(img => imageObserver.observe(img)); } }); // VGrR}Yt document.addEventListener('error', function(e) { if (e.target.tagName === 'IMG') { e.target.style.display = 'none'; console.warn('VGrR}1Y%:', e.target.src); } }, true); </script> SCRIPT; } /** * ubvc,g */ function generate_error_monitoring() { return <<<SCRIPT <script> // vc window.addEventListener('error', function(e) { console.error('JavaScript:', e.error); // S0RRg gRS if (typeof gtag !== 'undefined') { gtag('event', 'exception', { description: e.error?.message || e.message, fatal: false }); } }); window.addEventListener('unhandledrejection', function(e) { console.error('*gYtvPromiseb~:', e.reason); // S0RRg gRS if (typeof gtag !== 'undefined') { gtag('event', 'exception', { description: e.reason?.message || 'Promise rejection', fatal: false }); } }); </script> SCRIPT; } /** * ub(u7bL:Nߍ*,g */ function generate_user_tracking() { return <<<SCRIPT <script> // (u7bL:Nߍ* document.addEventListener('DOMContentLoaded', function() { // ߍ*pQNN document.addEventListener('click', function(e) { const target = e.target.closest('a, button, [data-track]'); if (target && typeof gtag !== 'undefined') { const trackData = target.dataset.track || target.textContent.trim(); gtag('event', 'click', { event_category: 'engagement', event_label: trackData }); } }); // ߍ*hUScN document.addEventListener('submit', function(e) { if (typeof gtag !== 'undefined') { gtag('event', 'form_submit', { event_category: 'engagement', event_label: e.target.action || 'form' }); } }); // ߍ*nRm^ let maxScroll = 0; window.addEventListener('scroll', function() { const scrollPercent = Math.round((window.scrollY / (document.body.scrollHeight - window.innerHeight)) * 100); if (scrollPercent > maxScroll) { maxScroll = scrollPercent; if (maxScroll % 25 === 0 && typeof gtag !== 'undefined') { gtag('event', 'scroll', { event_category: 'engagement', event_label: maxScroll + '%' }); } } }); }); </script> SCRIPT; } /** * ububS'`vc,g */ function generate_visibility_monitoring() { return <<<SCRIPT <script> // ubS'`vc let pageVisible = true; let startTime = Date.now(); document.addEventListener('visibilitychange', function() { if (document.hidden) { pageVisible = false; } else { pageVisible = true; startTime = Date.now(); } }); // ubxS}eSpenc window.addEventListener('beforeunload', function() { if (typeof gtag !== 'undefined' && pageVisible) { const timeOnPage = Math.round((Date.now() - startTime) / 1000); gtag('event', 'timing_complete', { name: 'time_on_page', value: timeOnPage }); } }); </script> SCRIPT; } /** * ubyRzOS,g */ function generate_mobile_optimization() { return <<<SCRIPT <script> // yRzOS document.addEventListener('DOMContentLoaded', function() { // hKmyRY const isMobile = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent); if (isMobile) { // mRyRz{| T document.body.classList.add('mobile-device'); // OSxdNN document.addEventListener('touchstart', function() {}, {passive: true}); document.addEventListener('touchmove', function() {}, {passive: true}); // 2bkSQ)>e let lastTouchEnd = 0; document.addEventListener('touchend', function(event) { const now = (new Date()).getTime(); if (now - lastTouchEnd <= 300) { event.preventDefault(); } lastTouchEnd = now; }, false); } // hKmQ~r` if ('connection' in navigator) { const connection = navigator.connection; if (connection.effectiveType === 'slow-2g' || connection.effectiveType === '2g') { document.body.classList.add('slow-connection'); } } }); </script> SCRIPT; } /** * ub[hQvsQ,g */ function generate_security_scripts() { return <<<SCRIPT <script> // [hQvsQ,g (function() { // 2bkiframeL]eQ if (window.self !== window.top) { window.top.location = window.self.location; } // 2bkXSS;eQ function sanitizeInput(input) { const div = document.createElement('div'); div.textContent = input; return div.innerHTML; } // hQ@\f2ntQpe window.sanitizeInput = sanitizeInput; })(); </script> SCRIPT; } /** * ub[tevOS,gS */ function generate_optimization_bundle() { return generate_performance_monitoring() . generate_service_worker_script() . generate_image_optimization() . generate_error_monitoring() . generate_user_tracking() . generate_visibility_monitoring() . generate_mobile_optimization() . generate_security_scripts(); } ?> Bra Cup Size Calculator | Find Your Perfect Cup Size

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BraSizeCalculator

Bra Cup Size Calculator

Get your precise cup size with our professional measurement tool. Calculate cup sizes for US, UK, EU, and international sizing systems.

Start Cup Size Calculation View Measurement Guide

Cup Size Calculator

Enter your measurements below to calculate your exact cup size across different sizing systems.

Measure around your ribcage, just under your breasts

Measure around the fullest part of your breasts

How to Measure for Cup Size

Follow these steps to get accurate measurements for your cup size calculation.

Step 1: Measure Your Underbust

  • • Use a soft measuring tape
  • • Measure around your ribcage, just under your breasts
  • • Keep the tape snug but not tight
  • • Record the measurement in centimeters

Step 2: Measure Your Bust

  • • Measure around the fullest part of your breasts
  • • Stand straight with arms at your sides
  • • Keep the tape level and not too tight
  • • Record the measurement in centimeters

Cup Size Chart

Understanding how cup sizes work across different measurement differences.

Difference (cm) US Cup UK Cup EU Cup
0-2.5 AA AA AA
2.5-5 A A A
5-7.5 B B B
7.5-10 C C C
10-12.5 D D D
12.5-15 DD/E DD E
15-17.5 DDD/F E F

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