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wp-content/plugins/mailchimp-for-wp/includes/class-container.php

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+<?php
+
+/**
+ * Class MC4WP_Service_Container
+ *
+ * @access private
+ * @ignore
+ */
+class MC4WP_Container implements ArrayAccess
+{
+    /**
+     * @var array
+     */
+    protected $services = array();
+
+    /**
+     * @var array
+     */
+    protected $resolved_services = array();
+
+    /**
+     * @param string $name
+     * @return boolean
+     */
+    public function has($name)
+    {
+        return isset($this->services[ $name ]);
+    }
+
+    /**
+     * @param string $name
+     *
+     * @return mixed
+     * @throws Exception
+     */
+    public function get($name)
+    {
+        if (! $this->has($name)) {
+            throw new Exception(sprintf('No service named %s was registered.', $name));
+        }
+
+        $service = $this->services[ $name ];
+
+        // is this a resolvable service?
+        if (is_callable($service)) {
+            // resolve service if it's not resolved yet
+            if (! isset($this->resolved_services[ $name ])) {
+                $this->resolved_services[ $name ] = call_user_func($service);
+            }
+
+            return $this->resolved_services[ $name ];
+        }
+
+        return $this->services[ $name ];
+    }
+
+    /**
+     * (PHP 5 &gt;= 5.0.0)<br/>
+     * Whether a offset exists
+     * @link http://php.net/manual/en/arrayaccess.offsetexists.php
+     *
+     * @param mixed $offset <p>
+     *                      An offset to check for.
+     *                      </p>
+     *
+     * @return boolean true on success or false on failure.
+     * </p>
+     * <p>
+     * The return value will be casted to boolean if non-boolean was returned.
+     */
+    #[\ReturnTypeWillChange]
+    public function offsetExists($offset)
+    {
+        return $this->has($offset);
+    }
+
+    /**
+     * (PHP 5 &gt;= 5.0.0)<br/>
+     * Offset to retrieve
+     * @link http://php.net/manual/en/arrayaccess.offsetget.php
+     *
+     * @param mixed $offset <p>
+     *                      The offset to retrieve.
+     *                      </p>
+     *
+     * @return mixed Can return all value types.
+     */
+    #[\ReturnTypeWillChange]
+    public function offsetGet($offset)
+    {
+        return $this->get($offset);
+    }
+
+    /**
+     * (PHP 5 &gt;= 5.0.0)<br/>
+     * Offset to set
+     * @link http://php.net/manual/en/arrayaccess.offsetset.php
+     *
+     * @param mixed $offset <p>
+     *                      The offset to assign the value to.
+     *                      </p>
+     * @param mixed $value  <p>
+     *                      The value to set.
+     *                      </p>
+     *
+     * @return void
+     */
+    #[\ReturnTypeWillChange]
+    public function offsetSet($offset, $value)
+    {
+        $this->services[ $offset ] = $value;
+    }
+
+    /**
+     * (PHP 5 &gt;= 5.0.0)<br/>
+     * Offset to unset
+     * @link http://php.net/manual/en/arrayaccess.offsetunset.php
+     *
+     * @param mixed $offset <p>
+     *                      The offset to unset.
+     *                      </p>
+     *
+     * @return void
+     */
+    #[\ReturnTypeWillChange]
+    public function offsetUnset($offset)
+    {
+        unset($this->services[ $offset ]);
+    }
+}