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wp-content/plugins/mailchimp-for-wp/includes/class-array-bag.php

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+<?php
+
+/**
+ * Class MC4WP_Array_Bag
+ *
+ * @access private
+ * @ignore
+ */
+class MC4WP_Array_Bag
+{
+
+    /**
+     * @var array
+     */
+    protected $array;
+
+    /**
+     * @param array $array
+     */
+    public function __construct(array $array)
+    {
+        $this->array = $array;
+    }
+
+    /**
+     * @return array
+     */
+    public function keys()
+    {
+        return array_keys($this->array);
+    }
+
+    /**
+     * @param string $name
+     * @param mixed $value
+     */
+    public function set($name, $value)
+    {
+        $this->array[ $name ] = $value;
+    }
+
+    /**
+     * @param string $name
+     * @param mixed $default
+     *
+     * @return mixed
+     */
+    public function get($name, $default = null)
+    {
+        if (isset($this->array[ $name ])) {
+            return $this->array[ $name ];
+        }
+
+        // allow dot access for nested array keys: key.subkey
+        $array = $this->array;
+        foreach (explode('.', $name) as $segment) {
+            if (! array_key_exists($segment, $array)) {
+                return $default;
+            }
+
+            $array = $array[$segment];
+        }
+
+        return $array;
+    }
+
+    /**
+     * @return array
+     */
+    public function all()
+    {
+        return $this->array;
+    }
+
+    /**
+     * @param $prefix
+     *
+     * @return array
+     */
+    public function all_with_prefix($prefix)
+    {
+        $return = array();
+        $length = strlen($prefix);
+
+        foreach ($this->array as $key => $value) {
+            if (strpos($key, $prefix) === 0) {
+                $new_key = substr($key, $length);
+                $return[ $new_key ] = $value;
+            }
+        }
+
+        return $return;
+    }
+
+    /**
+     * @param $prefix
+     * @return array
+     */
+    public function all_without_prefix($prefix)
+    {
+        $return = array();
+
+        foreach ($this->array as $key => $value) {
+            if (strpos($key, $prefix) !== 0) {
+                $return[ $key ] = $value;
+            }
+        }
+
+        return $return;
+    }
+}