add Helpers: array & string

Author: efureev

src/Exceptions/MissingConfigException.php

@@ -9,7 +9,7 @@
  */
 class MissingConfigException extends ConfigException
 {
-    /** @var string */
+    /** @var string|null */
     protected $needKey;
 
     /**

src/Helpers/Arr.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Php\Support\Helpers;
+
+/**
+ * Class Arr
+ *
+ * @package Php\Support\Helpers
+ */
+class Arr
+{
+    /**
+     * Replace templates into array
+     * Key = search value
+     * Value = replace value
+     *
+     * @param array $array
+     * @param array $replace
+     */
+    public static function arrayReplaceByTemplate(array &$array, array $replace)
+    {
+        foreach ($array as &$item) {
+            if (is_array($item)) {
+                self::arrayReplaceByTemplate($item, $replace);
+            } else if (is_string($item)) {
+                $item = Str::stringReplaceByTemplate($item, $replace);
+            }
+        }
+    }
+}

src/Helpers/Str.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Php\Support\Helpers;
+
+/**
+ * Class Str
+ *
+ * @package Php\Support\Helpers
+ */
+class Str
+{
+    /**
+     * Replace templates into string
+     * Key = search value
+     * Value = replace value
+     *
+     * @param string $str
+     * @param array  $replace
+     *
+     * @return mixed
+     */
+    public static function stringReplaceByTemplate(string $str, array $replace)
+    {
+        return str_replace(array_keys($replace), array_values($replace), $str);
+    }
+}