最初コミット

README.md

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+```php example.php```

example.php

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+<?php
+  function manen ($sum) {
+    if ($sum >= 100000000 && $sum < 1000000000000) return round($sum/100000000, 1)."億円";
+    else if ($sum >= 1000000000000) return round($sum/1000000000000, 1)."兆円";
+    else if ($sum < 10000) return $sum."円";
+    return round($sum/10000, 1)."万円";
+  }
+
+  print_r([
+    manen(4000),
+    manen(27000),
+    manen(666098),
+    manen(257490303),
+    manen(7594923075683)
+  ]);
+?>