Adjusting comments into files.

proxy.php

@@ -2,12 +2,12 @@
 /**
  * GridTV — proxy.php
  *
- * Proxy HTTP->HTTPS restreint aux hotes explicitement configures dans config.json.
+ * HTTP->HTTPS proxy restricted to hosts explicitly configured in config.json.
- * Les IP privees et LAN sont autorisees si l'administrateur les a configurees.
+ * Private and LAN IPs are allowed only when the administrator configured them.
- * Les redirections sont suivies manuellement avec revalidation de l'hote a chaque saut.
+ * Redirects are followed manually and the host is revalidated at every hop.
  */
 
-// ── Whitelist : hotes autorises extraits de config.json ───────────────────────
+// ── Allowlist: authorized hosts extracted from config.json ────────────────────
 $config_path = __DIR__ . '/config.json';
 $allowed_hosts = [];
 
@@ -23,7 +23,7 @@ if (file_exists($config_path)) {
     }
 }
 
-// ── Fonctions ─────────────────────────────────────────────────────────────────
+// ── Helpers ────────────────────────────────────────────────────────────────────
 
 function is_allowed_url(string $url, array $allowed_hosts): bool {
     if (!preg_match('#^https?://#i', $url)) return false;
@@ -41,9 +41,10 @@ function resolve_url(string $base, string $location): string {
 }
 
 /**
- * Fetch avec redirections manuelles — chaque Location: est revalidee contre la whitelist.
+ * Fetch with manual redirect handling so every Location header is checked
- * $stream = true : stream chunk par chunk (segments video)
+ * against the allowlist before following it.
- * $stream = false : retourne le body complet (playlists m3u8)
+ * $stream = true: stream the response chunk by chunk (video segments)
+ * $stream = false: return the full body (m3u8 playlists)
  */
 function fetch_with_checked_redirects(string $url, array $allowed_hosts, bool $stream = false): array {
     $max_redirects = 5;
@@ -76,7 +77,7 @@ function fetch_with_checked_redirects(string $url, array $allowed_hosts, bool $s
         $raw_headers = substr($response, 0, $header_size);
         $body        = substr($response, $header_size);
 
-        // Redirection
+        // Follow redirects manually so each hop is rechecked against the allowlist.
         if ($code >= 300 && $code < 400) {
             if (!preg_match('/^Location:\s*(.+)$/mi', $raw_headers, $m)) {
                 http_response_code(502); die('Invalid redirect');
@@ -91,7 +92,7 @@ function fetch_with_checked_redirects(string $url, array $allowed_hosts, bool $s
     http_response_code(508); die('Too many redirects');
 }
 
-// ── Valider l'URL initiale ─────────────────────────────────────────────────────
+// ── Validate the initial URL ───────────────────────────────────────────────────
 $url = $_GET['url'] ?? '';
 
 if (!is_allowed_url($url, $allowed_hosts)) {
@@ -99,27 +100,27 @@ if (!is_allowed_url($url, $allowed_hosts)) {
     die(empty($allowed_hosts) ? 'No sources configured' : 'Host not allowed');
 }
 
-// ── Determiner le type de ressource ───────────────────────────────────────────
+// ── Detect the resource type ───────────────────────────────────────────────────
 $path       = parse_url($url, PHP_URL_PATH) ?? '';
 $is_segment = preg_match('#\.(ts|aac|mp4|m4s|fmp4)(\?|$)#i', $path);
 
 header('Access-Control-Allow-Origin: *');
 header('Cache-Control: no-cache');
 
-// ── Segment binaire — stream chunk par chunk ───────────────────────────────────
+// ── Binary segment: stream chunk by chunk ──────────────────────────────────────
 if ($is_segment) {
     header('Content-Type: video/MP2T');
     header('X-Content-Type-Options: nosniff');
 
     if (ob_get_level()) ob_end_clean();
 
-    // Pour les segments, on suit les redirections en streaming direct
+    // For segments, resolve redirects first and only stream once the final URL
-    // apres avoir valide l'URL finale via fetch_with_checked_redirects en mode non-stream
+    // has already been validated.
     [$code, , , $final_url] = fetch_with_checked_redirects($url, $allowed_hosts, false);
 
     if ($code >= 400) { http_response_code($code); die(); }
 
-    // Maintenant streamer l'URL finale
+    // Stream the validated final URL.
     $ua = $_SERVER['HTTP_USER_AGENT'] ?? 'Mozilla/5.0';
     $ch = curl_init($final_url);
     curl_setopt_array($ch, [
@@ -142,7 +143,7 @@ if ($is_segment) {
     if (!$ok || $code >= 400) http_response_code($code ?: 502);
     curl_close($ch);
 
-// ── Playlist m3u8 — fetch + réécriture URLs ────────────────────────────────────
+// ── m3u8 playlist: fetch and rewrite URLs ──────────────────────────────────────
 } else {
     [$code, , $body, $final_url] = fetch_with_checked_redirects($url, $allowed_hosts, false);
 

setup.php

@@ -1,7 +1,7 @@
 <?php
 $config_path = __DIR__ . '/config.json';
 
-// Migration automatique ancien format
+// Automatically migrate the legacy config format.
 if (file_exists($config_path)) {
     $existing = json_decode(file_get_contents($config_path), true);
     if (isset($existing['epg_url']) && !isset($existing['epg_sources'])) {
@@ -14,7 +14,7 @@ if (file_exists($config_path)) {
         unset($existing['epg_url'], $existing['m3u_url']);
         file_put_contents($config_path, json_encode($existing, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
     }
-    // Bootstrap : config existante sans cle admin -> on en genere une maintenant
+    // Bootstrap an admin key for older configs that do not have one yet.
     if (empty($existing['admin_key'])) {
         $existing['admin_key'] = bin2hex(random_bytes(16));
         file_put_contents($config_path, json_encode($existing, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));

src/config.php

@@ -9,7 +9,7 @@ if (!file_exists($config_path)) {
 
 $config = json_decode(file_get_contents($config_path), true);
 
-// ── Migration automatique ancien format → nouveau ─────────────────────────────
+// ── Automatically migrate the legacy config format to the current one ─────────
 if (isset($config['epg_url']) && !isset($config['epg_sources'])) {
     $config['epg_sources'] = [[
         'name'    => 'Main',
@@ -26,7 +26,7 @@ $group_name         = htmlspecialchars($config['group_name'] ?? 'GridTV');
 $epg_sources        = $config['epg_sources'] ?? [];
 $allow_personal_epg = !empty($config['allow_personal_epg']);
 
-// Première source par défaut (pour compatibilité avec le reste du code)
+// Default to the first configured source to keep the rest of the app compatible.
 $first_source = $epg_sources[0] ?? [];
 $epg_url      = htmlspecialchars($first_source['epg_url'] ?? '');
 $m3u_url      = htmlspecialchars($first_source['m3u_url'] ?? '');

src/css/base.css

@@ -1,4 +1,4 @@
-/* Variables de base — surchargées par le fichier thème */
+/* Base variables overridden by the active theme file */
   :root {
     color-scheme: dark;
     --bg: #0a0b0d;

src/css/grid.css

@@ -97,7 +97,7 @@
   .timeline-area::-webkit-scrollbar-track { background: transparent; }
   .timeline-area::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 2px; }
 
-  /* Conteneur unique — ruler + programmes scrollent ensemble */
+  /* Single container so the ruler and programs scroll together */
   .timeline-inner {
     position: relative;
     display: block;

src/css/program.css

@@ -39,7 +39,7 @@
   .pm-imdb   { background: #f5c518; color: #000; }
   .pm-cancel { background: var(--bg); color: var(--text-muted); border: 1px solid var(--border); }
 
-  /* Date midnight dans la timebar */
+  /* Midnight date marker in the timebar */
   .time-tick-label.midnight {
     color: var(--accent); font-weight: 700; font-size: 11px;
     white-space: nowrap;

src/css/search.css

@@ -29,7 +29,7 @@
   }
   .search-clear:hover { color: var(--accent); }
 
-  /* Highlight programmes qui matchent */
+  /* Highlight programs that match the current query */
   .program-block.search-match {
     border: 1px solid var(--accent);
     box-shadow: 0 0 6px var(--accent);

src/css/topbar.css

@@ -128,7 +128,7 @@
   }
 
 /* ═══════════════════════════════════════════
-     SÉLECTEUR DE THÈME
+     THEME SELECTOR
   ═══════════════════════════════════════════ */
   .theme-select {
     background: transparent;
@@ -222,4 +222,3 @@
   .source-dropdown-item:hover { background: var(--surface2); color: var(--accent2); }
   .source-dropdown-item.active { color: var(--accent); }
   .source-dropdown-personal { color: var(--accent2); }
-

src/js/config.js

@@ -2,7 +2,7 @@ const EPG_SOURCES = <?= json_encode(array_values($epg_sources)) ?>;
 const L = <?= json_encode($L) ?>;
 const ALLOW_PERSONAL_EPG = <?= $allow_personal_epg ? 'true' : 'false' ?>;
 
-// Source active (index)
+// Index of the currently selected source.
 let activeSourceIndex = 0;
 
 const DEFAULT_EPG_URL = EPG_SOURCES[0]?.epg_url ?? '';
@@ -11,7 +11,7 @@ const PX_PER_MIN = 5;
 const GRID_HOURS = 72;
 const CORS_PROXY = 'https://corsproxy.io/?';
 
-// Ancre : 2h avant maintenant, arrondi au quart d'heure inférieur
+// Anchor the grid 2 hours before "now", rounded down to the previous quarter-hour.
 const _d = new Date();
 _d.setMinutes(Math.floor(_d.getMinutes()/15)*15, 0, 0);
 const GRID_START = new Date(_d.getTime() - 2*3600000);

src/js/epg.js

@@ -73,7 +73,7 @@ function renderPrograms() {
   inner.style.width = TOTAL_WIDTH_PX+'px';
   inner.style.height = totalH+'px';
 
-  // Remettre la now-line (détruite par innerHTML='')
+  // Recreate the now-line because it was removed by innerHTML = ''.
   const nowLine = document.createElement('div');
   nowLine.className = 'now-line'; nowLine.id = 'nowLine';
   nowLine.style.height = totalH + 'px';
@@ -141,4 +141,3 @@ function shiftView(mins) {
   area.scrollLeft = Math.max(0, area.scrollLeft + mins * PX_PER_MIN);
   document.querySelectorAll('.nav-btn').forEach(b => b.classList.remove('active'));
 }
-

src/js/m3u.js

@@ -1,8 +1,8 @@
 // ── M3U PARSER ────────────────────────────────────────────────────────────────
 function slugify(str) {
   return str.toLowerCase()
-    .replace(/^\d+\s*/, '')       // virer le numéro de chaîne en début
+    .replace(/^\d+\s*/, '')       // Strip any leading channel number.
-    .replace(/[^a-z0-9]/g, '');   // garder que alphanum
+    .replace(/[^a-z0-9]/g, '');   // Keep only alphanumeric characters.
 }
 
 async function loadM3U(url) {
@@ -25,7 +25,7 @@ function parseM3U(text) {
   for (let i = 0; i < lines.length; i++) {
     const line = lines[i].trim();
     if (line.startsWith('#EXTINF')) {
-      // Extraire le nom : dernière partie après la virgule
+      // Extract the display name from the last comma-separated segment.
       const comma = line.lastIndexOf(',');
       currentName = comma !== -1 ? line.slice(comma + 1).trim() : null;
     } else if (line && !line.startsWith('#') && currentName) {
@@ -42,16 +42,15 @@ function getStreamUrl(channelName) {
   if (m3uStreams[slug]) {
     url = m3uStreams[slug];
   } else {
-    // Fallback : chercher une clé qui contient le slug ou l'inverse
+    // Fallback: try a partial match in either direction.
     for (const [key, u] of Object.entries(m3uStreams)) {
       if (key.includes(slug) || slug.includes(key)) { url = u; break; }
     }
   }
   if (!url) return null;
-  // Passer par proxy.php pour éviter le mixed content HTTP/HTTPS
+  // Route plain HTTP streams through proxy.php to avoid mixed-content issues.
   if (url.startsWith('http://')) {
     return 'proxy.php?url=' + encodeURIComponent(url);
   }
   return url;
 }
-

src/js/player.js

@@ -12,7 +12,7 @@ function openPip(channelName, programTitle) {
   err.style.display = 'none';
   pip.classList.add('visible');
 
-  // Détruire l'instance HLS précédente
+  // Tear down the previous HLS instance before opening another stream.
   if (hlsInstance) { hlsInstance.destroy(); hlsInstance = null; }
   video.src = '';
 
@@ -39,7 +39,7 @@ function openPip(channelName, programTitle) {
       }
     });
   } else if (video.canPlayType('application/vnd.apple.mpegurl')) {
-    // Safari natif HLS
+    // Safari can play HLS natively without hls.js.
     video.src = url;
     video.addEventListener('loadedmetadata', () => video.play().catch(() => {}));
   } else {
@@ -55,4 +55,3 @@ function closePip() {
   if (hlsInstance) { hlsInstance.destroy(); hlsInstance = null; }
   video.pause(); video.src = '';
 }
-

src/js/program.js

@@ -13,7 +13,7 @@ function openProgramModal(ch, p) {
   document.getElementById('pm-desc').textContent     = p.desc || '';
   document.getElementById('pm-desc').style.display   = p.desc ? 'block' : 'none';
 
-  // Bouton Watch now — seulement si live ET M3U fourni pour la source active
+  // Only show "Watch now" when the program is live and the active source has M3U data.
   const watchBtn = document.getElementById('pm-watch');
   if (isLive && currentM3uUrl) {
     watchBtn.style.display = 'inline-flex';
@@ -22,7 +22,7 @@ function openProgramModal(ch, p) {
     watchBtn.style.display = 'none';
   }
 
-  // Bouton IMDb
+  // IMDb search shortcut.
   document.getElementById('pm-imdb').href =
     `https://www.imdb.com/find/?q=${encodeURIComponent(p.title)}&s=tt`;
 
@@ -33,13 +33,13 @@ function closeProgramModal() {
   document.getElementById('programModal').classList.remove('visible');
 }
 
-// Fermer sur clic overlay
+// Close when the overlay itself is clicked.
 document.addEventListener('click', e => {
   const modal = document.getElementById('programModal');
   if (e.target === modal) closeProgramModal();
 });
 
-// Fermer sur Escape
+// Close on Escape.
 document.addEventListener('keydown', e => {
   if (e.key === 'Escape') closeProgramModal();
 });

src/js/search.js

@@ -31,7 +31,7 @@ function onSearchInput(val) {
 
 function applySearch(q) {
   if (!q) {
-    // Remettre toutes les chaines
+    // Restore the full channel list when the query is cleared.
     renderAll();
     return;
   }
@@ -40,11 +40,11 @@ function applySearch(q) {
   today.setHours(0,0,0,0);
   const tomorrow = new Date(today.getTime() + 24*3600000);
 
-  // Filtrer les chaines : nom OU programme aujourd'hui correspond
+  // Keep channels whose name matches or that have a matching program today.
   const filtered = channels.filter(ch => {
-    // Match sur le nom de la chaine
+    // Match against the channel name.
     if (ch.name.toLowerCase().includes(q)) return true;
-    // Match sur les programmes d'aujourd'hui (titre + desc)
+    // Match against today's programs (title + description).
     return (programs[ch.id]||[]).some(p => {
       if (p.stop < today || p.start > tomorrow) return false;
       if (p.title.toLowerCase().includes(q)) return true;
@@ -72,7 +72,7 @@ function renderFiltered(filteredChannels, q) {
   inner.style.width = TOTAL_WIDTH_PX + 'px';
   inner.style.height = (filteredChannels.length * ROW_H) + 'px';
 
-  // Remettre la now-line
+  // Recreate the now-line after clearing the container.
   const nowLine = document.createElement('div');
   nowLine.className = 'now-line'; nowLine.id = 'nowLine';
   nowLine.style.height = (filteredChannels.length * ROW_H) + 'px';
@@ -81,7 +81,7 @@ function renderFiltered(filteredChannels, q) {
   const now = new Date();
 
   filteredChannels.forEach((ch, i) => {
-    // Colonne chaîne
+    // Channel column.
     const cell = document.createElement('div');
     cell.className = 'channel-cell';
     if (ch.icon) {
@@ -96,7 +96,7 @@ function renderFiltered(filteredChannels, q) {
     cell.addEventListener('click', () => openPip(ch.name, getNowPlaying(ch.id)));
     list.appendChild(cell);
 
-    // Programmes
+    // Programs row.
     const row = document.createElement('div');
     row.className = 'program-row';
     row.style.cssText = `top:${i*ROW_H}px;position:absolute;left:0;right:0;`;
@@ -109,7 +109,7 @@ function renderFiltered(filteredChannels, q) {
       const block = document.createElement('div');
       block.className = 'program-block';
 
-      // Highlight si le programme matche la recherche
+      // Highlight programs that match the current search query.
       const matchesProg = p.title.toLowerCase().includes(q) || (p.desc && p.desc.toLowerCase().includes(q));
       if (matchesProg) block.classList.add('search-match');
 

src/js/sources.js

@@ -21,7 +21,7 @@ function switchSource(value) {
 }
 
 function updateCopyButtons() {
-  // Rien à faire visuellement, copyUrl() lit currentEpgUrl/currentM3uUrl
+  // No visual update is needed here because copyUrl() reads the current URLs directly.
 }
 
 function openPersonalEpgModal() {
@@ -35,7 +35,7 @@ function openPersonalEpgModal() {
 
 function closePersonalEpgModal(applied) {
   document.getElementById('personalEpgModal').classList.remove('visible');
-  // Si annulé (pas applied), remettre le select sur la source précédente
+  // If the modal was cancelled, restore the previously selected source.
   if (!applied) {
     const sel = document.getElementById('sourceSelect');
     if (sel) sel.value = localStorage.getItem('gridtv-active-source') === 'personal' ? 'personal' : activeSourceIndex;
@@ -67,7 +67,7 @@ function closeSourceDropdown() {
   document.getElementById('sourceDropdownMenu')?.classList.remove('open');
 }
 
-// Fermer si clic en dehors
+// Close the dropdown when clicking outside of it.
 document.addEventListener('click', e => {
   if (!e.target.closest('.source-dropdown')) closeSourceDropdown();
 });
@@ -75,7 +75,7 @@ document.addEventListener('click', e => {
 function updateSourceDropdownLabel(label) {
   const el = document.getElementById('sourceDropdownLabel');
   if (el) el.textContent = label;
-  // Mettre à jour la classe active
+  // Update the active item styling in the dropdown.
   document.querySelectorAll('.source-dropdown-item').forEach((btn, i) => {
     btn.classList.toggle('active', i === activeSourceIndex);
   });

src/js/themes.js

@@ -1,4 +1,4 @@
-// ── THÈMES ────────────────────────────────────────────────────────────────────
+// ── THEMES ────────────────────────────────────────────────────────────────────
 function setTheme(theme) {
   document.getElementById('themeStylesheet').href = 'themes/' + theme + '.css';
   localStorage.setItem('gridtv-theme', theme);
@@ -17,4 +17,3 @@ function startLiveUpdates() {
   setInterval(() => { if (channels.length) renderAll(); }, 60000);
   setInterval(() => loadEPG(DEFAULT_EPG_URL), 30*60*1000);
 }
-

src/js/utils.js

@@ -1,5 +1,5 @@
 
-// Echapper les donnees issues de l'EPG pour eviter les injections HTML
+// Escape EPG-provided strings before injecting them into HTML.
 function esc(str) {
   const d = document.createElement('div');
   d.textContent = str || '';
@@ -8,8 +8,8 @@ function esc(str) {
 
 let channels = [];
 let programs = {};
-let m3uStreams = {}; // slug normalisé → url stream
+let m3uStreams = {}; // Normalized slug -> stream URL.
-let scrollListenerAdded = false; // sync scroll vertical chaînes
+let scrollListenerAdded = false; // Keeps the channel column vertically synced with the timeline.
 
 function pad(n) { return String(n).padStart(2,'0'); }
 
@@ -35,6 +35,8 @@ function parseXMLTVDate(str) {
   if (!str) return null;
   const m = str.match(/^(\d{4})(\d{2})(\d{2})(\d{2})(\d{2})(\d{2})\s*([+-]\d{4})?/);
   if (!m) return null;
+  // XMLTV timestamps use a compact timezone suffix like +0200, so we rebuild
+  // the UTC instant manually before letting Date convert it to local time.
   const offset = m[7] ? parseInt(m[7]) : 0;
   const offsetMs = (Math.floor(Math.abs(offset)/100)*60 + (Math.abs(offset)%100)) * 60000 * (offset<0?-1:1);
   return new Date(Date.UTC(+m[1],+m[2]-1,+m[3],+m[4],+m[5],+m[6]) - offsetMs);
@@ -78,7 +80,7 @@ function loadFromInput() {
 }
 
 function parseEpisode(p) {
-  // Format xmltv_ns : "S.E.part" (0-indexed) ex: "0.2.0/1" = S01E03
+  // xmltv_ns format: "S.E.part" (0-indexed), e.g. "0.2.0/1" -> S01E03
   const ns = p.querySelector('episode-num[system="xmltv_ns"]')?.textContent;
   if (ns) {
     const parts = ns.split('.');
@@ -87,7 +89,7 @@ function parseEpisode(p) {
     const e = ePart !== '' ? parseInt(ePart) + 1 : null;
     if (s !== null || e !== null) return { season: s, episode: e };
   }
-  // Format onscreen : "S01E03" ou "s1e3"
+  // onscreen format: "S01E03" or "s1e3"
   const os = p.querySelector('episode-num[system="onscreen"]')?.textContent;
   if (os) {
     const m = os.match(/[Ss](\d+)[Ee](\d+)/);
@@ -136,4 +138,3 @@ function renderAll() {
   if (isMobile()) { renderMobile(); }
   else { renderGrid(); setTimeout(centerNow, 150); }
 }
-

src/tpl/topbar.php

@@ -37,7 +37,7 @@
 <?php
 $theme_dir = __DIR__ . '/../../themes';
 $theme_files = glob($theme_dir . '/*.css');
-// default en premier, puis le reste par ordre alphabétique
+// Put the default theme first, then sort the rest alphabetically.
 usort($theme_files, function($a, $b) {
     $a_base = basename($a, '.css');
     $b_base = basename($b, '.css');
@@ -48,7 +48,7 @@ usort($theme_files, function($a, $b) {
 foreach ($theme_files as $file) {
     $slug = basename($file, '.css');
     $css  = file_get_contents($file);
-    // Lire @name et @emoji dans le premier bloc commentaire
+    // Read @name and @emoji from the first comment block.
     preg_match('/@name\s+(.+)/u',  $css, $m_name);
     preg_match('/@emoji\s+(\S+)/u', $css, $m_emoji);
     $name  = isset($m_name[1])  ? trim($m_name[1])  : ucfirst($slug);
@@ -64,4 +64,3 @@ foreach ($theme_files as $file) {
   <input class="search-input" id="searchInput" type="text" placeholder="<?= htmlspecialchars($L["search_placeholder"]) ?>" oninput="onSearchInput(this.value)" />
   <button class="search-clear" onclick="clearSearch()">&#10005;</button>
 </div>
-

sw.js

@@ -1,6 +1,6 @@
 const CACHE_NAME = 'gridtv-v2';
 
-// Ressources statiques à mettre en cache immédiatement
+// Static assets cached during installation.
 const STATIC_ASSETS = [
   '/',
   '/index.php',
@@ -11,7 +11,7 @@ const STATIC_ASSETS = [
   '/assets/vendor/hls.min.js'
 ];
 
-// Install : mise en cache des assets statiques
+// Install: cache the static assets.
 self.addEventListener('install', e => {
   e.waitUntil(
     caches.open(CACHE_NAME)
@@ -20,7 +20,7 @@ self.addEventListener('install', e => {
   );
 });
 
-// Activate : purger les anciens caches
+// Activate: remove outdated caches.
 self.addEventListener('activate', e => {
   e.waitUntil(
     caches.keys().then(keys =>
@@ -29,11 +29,11 @@ self.addEventListener('activate', e => {
   );
 });
 
-// Fetch : stratégie selon le type de ressource
+// Fetch: choose a caching strategy based on resource type.
 self.addEventListener('fetch', e => {
   const url = new URL(e.request.url);
 
-  // Flux EPG/M3U et API GitHub : network only (pas de cache)
+  // EPG/M3U feeds and the GitHub API stay network-only.
   if (
     url.pathname.includes('xmltv') ||
     url.pathname.includes('.m3u') ||
@@ -43,7 +43,7 @@ self.addEventListener('fetch', e => {
     return;
   }
 
-  // Assets statiques : cache first
+  // Static assets use a cache-first strategy.
   if (
     e.request.destination === 'style' ||
     e.request.destination === 'script' ||
@@ -63,7 +63,7 @@ self.addEventListener('fetch', e => {
     return;
   }
 
-  // Pages PHP (index.php) : network first, fallback cache
+  // PHP pages use network-first with cache fallback.
   e.respondWith(
     fetch(e.request)
       .then(res => {