lots of updates

src/helpers/functions/temperatures.php

@@ -0,0 +1,45 @@
+<?php
+
+/**
+|--------------------------------------------------------------------------
+| Global Temperature Functions
+|--------------------------------------------------------------------------
+|
+| This is a home for functions that don't belong to any one class and
+| that should be available anywhere in the application.
+|
+*/
+
+if (! function_exists('celsius2Fahrenheit')) {
+    /**
+     * Convert from celsius to fahrenheit.
+     *
+     * @since 1.0.0
+     *
+     * @param float|int|string $celsius
+     * @param int $precision
+     *
+     * @return float
+     */
+    function celsius2Fahrenheit($celsius, int $preceision = 0): float
+    {
+        return round((($celsius * (9/5)) + 32), $preceision);
+    }
+}
+
+if (! function_exists('fahrenheit2Celsius')) {
+    /**
+     * Convert from fahrenheit to celsius.
+     *
+     * @since 1.0.0
+     *
+     * @param float|int|string $fahrenheit
+     * @param int $precision
+     *
+     * @return float
+     */
+    function fahrenheit2Celsius($fahrenheit, int $preceision = 1): float
+    {
+        return round(($fahrenheit - 32 * (5/9)), $preceision);
+    }
+}