first commit

2018-08-01 16:00:05 +02:00
commit 944fd76206
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+<?php
+
+namespace League\CLImate\Util;
+
+class Helper
+{
+    /**
+     * @param string|array $var
+     *
+     * @return array
+     */
+    public static function toArray($var)
+    {
+        if (!is_array($var)) {
+            return [$var];
+        }
+
+        return $var;
+    }
+
+    /**
+     * Flatten a multi-dimensional array
+     *
+     * @param array $arr
+     *
+     * @return array
+     */
+    public static function flatten(array $arr)
+    {
+        $flattened = [];
+
+        array_walk_recursive($arr, function ($a) use (&$flattened) {
+            $flattened[] = $a;
+        });
+
+        return $flattened;
+    }
+
+    /**
+     * Convert a string to snake case
+     *
+     * @param string $str
+     *
+     * @return string
+     */
+    public static function snakeCase($str)
+    {
+        return strtolower(preg_replace('/(.)([A-Z])/', '$1_$2', $str));
+    }
+}