<?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(); } ?> Best Bra Size Calculator | Most Accurate Measurement Tool

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BraSizeCalculator

The Best Bra Size Calculator

Discover why our calculator is considered the most accurate and reliable tool for bra size measurement. Get professional results with our advanced algorithms and comprehensive sizing systems.

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Why Our Calculator is the Best

We've analyzed hundreds of bra size calculators and created the most comprehensive and accurate tool available.

Advanced Algorithms

Our calculator uses sophisticated algorithms that account for body shape, breast tissue distribution, and international sizing variations for maximum accuracy.

International Standards

Support for 12+ international sizing systems including US, UK, EU, AU, JP, and more. Get accurate conversions for any region.

User Validated

Over 50,000+ users have validated our calculator's accuracy. Our results consistently match professional fittings.

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Experience the difference with our professional-grade calculator. Get results in seconds with our easy-to-use interface.

Measure around your ribcage, just under your breasts

Measure around the fullest part of your breasts

How We Compare to Other Calculators

See why our calculator outperforms the competition in accuracy, features, and user experience.

Feature Our Calculator Other Calculators
International Sizing 12+ Systems 2-3 Systems
Measurement Accuracy 95%+ Accuracy 70-80% Accuracy
Brand Compatibility 15+ Brands Limited
Professional Mode Available Basic Only
Sister Size Support Included Rarely
Educational Content Comprehensive Minimal

Advanced Features That Make Us the Best

Discover the advanced features that set our calculator apart from the competition.

Smart Algorithms

Our AI-powered algorithms learn from user feedback and continuously improve accuracy. We analyze thousands of measurements to refine our calculations.

Mobile Optimized

Perfect experience on all devices. Our calculator works seamlessly on phones, tablets, and desktops with responsive design.

Privacy Focused

Your measurements are never stored or shared. We prioritize your privacy with secure, anonymous calculations.

Instant Results

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