[PROD] refined php int

avian/api/birdnet-api.php

@@ -93,8 +93,8 @@ switch ($action) {
 
     case 'recent': {
         // Cap raised to 1,000,000 hours (~114 years) so the frontend's
-        // "ALL" button can effectively turn off the time filter without
-        // needing a separate code path.
+        // "ALL" button can turn off the time filter without needing a
+        // separate code path.
         $hours = max(1, min(1000000, (int)($_GET['hours'] ?? 24)));
         // species-collapsed view: one row per species seen in the window,
         // with the file of its highest-confidence detection inside the window.

avian/api/cutout.php

@@ -5,7 +5,7 @@
 //   1. ../assets/illustrations/<slug>.png   (450+ bundled kachō-e renders)
 //   2. ../assets/cutouts/<slug>.png         (background-removed photo)
 //   3. cached rembg of a Wikipedia photo at $HOME/BirdSongs/Extracted/cutouts/
-//   4. fresh Wikipedia → rembg → cache (skipped gracefully if rembg unset)
+//   4. fresh Wikipedia -> rembg -> cache (skipped gracefully if rembg unset)
 //
 // The frontend's <img src> points here for every species - bundled
 // hits return instantly; cold misses fall through to the dynamic path.
@@ -76,8 +76,8 @@ if (is_file($cachePath) && filesize($cachePath) > 1024) {
 }
 
 // 4. Fresh Wikipedia fetch + rembg. Skipped if rembg-cli isn't on
-//    PATH - the resolver simply returns a 404 in that case rather
-//    than burning a Wikipedia request we can't use.
+//    PATH - the resolver returns a 404 in that case rather than
+//    burning a Wikipedia request we can't use.
 $rembg = '/usr/local/bin/rembg-cli';
 if (!is_executable($rembg)) {
     http_response_code(404);

avian/api/recording.php

@@ -7,7 +7,7 @@
 //   $HOME/BirdSongs/Extracted/By_Date/YYYY-MM-DD/<Common_Name>/<base>.mp3
 // (with a matching .png next to it). Common_Name is the SPACE-stripped
 // English common name (e.g. "Anna's_Hummingbird"), NOT the scientific
-// name. We resolve sci → common via birds.json under BirdNET-Pi/scripts/
+// name. We resolve sci -> common via birds.json under BirdNET-Pi/scripts/
 // and walk the directory tree newest-first.
 //
 
@@ -96,7 +96,7 @@ if ($file !== '') {
     readfile($path);
     exit;
 }
-// ---- Resolve scientific name → common name (with underscores) ----
+// ---- Resolve scientific name -> common name (with underscores) ----
 function resolve_common(string $sci): ?string {
     // Try birds.json first (preferred - has clean sci/com pairs).
     foreach ([dirname(__DIR__, 3) . '/BirdNET-Pi/scripts/birds.json'] as $f) {
@@ -131,7 +131,7 @@ function resolve_common(string $sci): ?string {
 
 $common = resolve_common($sci);
 if ($common === null) {
-    // Last-ditch: try the scientific name itself, with spaces → underscores.
+    // Last-ditch: try the scientific name itself, with spaces -> underscores.
     // (Some BirdNET dirs are keyed by sci name.)
     $common = str_replace(' ', '_', $sci);
 }

avian/api/spectrogram.php

@@ -5,8 +5,8 @@
 // instead of .mp3.
 //
 // Endpoints:
-//   ?sci=<sci_name>            → newest spectrogram for that species
-//   ?file=<original-base>.mp3  → spectrogram next to that specific
+//   ?sci=<sci_name>            -> newest spectrogram for that species
+//   ?file=<original-base>.mp3  -> spectrogram next to that specific
 //                                recording (atlas modal uses this so the
 //                                strip below each play button is the
 //                                spectrogram for that recording, not