1 files changed, 41 insertions, 0 deletions
diff --git a/misc/tools.php b/misc/tools.php
new file mode 100644
index 0000000..7473953
--- /dev/null
+++ b/misc/tools.php
@@ -0,0 +1,41 @@
+<?php
+  function timesince($time) {
+    $time = time() - $time;
+    $timeunits = [
+      31536000 => 'year',
+      2592000 => 'month',
+      604800 => 'week',
+      86400 => 'day',
+      3600 => 'hour',
+      60 => 'minute',
+    ];
+
+    $numunits;
+    foreach ($timeunits as $unit => $text) {
+      if ($time < $unit)
+        continue;
+      $numunits = floor($time / $unit);
+      return ' '.$numunits.' '.$text.(($numunits > 1) ? 's' : '');
+    }
+  }
+
+  function humanfilesize($size, $unit="") {
+    if ((!$unit && $size >= 1 << 30) || $unit == "GB")
+      return number_format($size / (1 << 30),2)."GB";
+    if ((!$unit && $size >= 1 << 20) || $unit == "MB")
+      return number_format($size / (1 << 20),2)."MB";
+    if ((!$unit && $size >= 1 << 10) || $unit == "KB")
+      return number_format($size / (1 << 10),2)."KB";
+    return number_format($size)." bytes";
+  }
+
+  function toupperpurity($str) {
+    if ($str == "sfw")
+      return strtoupper($str);
+    if ($str == "sketchy")
+      return ucfirst($str);
+    if ($str == "nsfw")
+      return strtoupper($str);
+    return $str;
+  }
+?>