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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 $name
+	 * @return boolean
+	 */
+	public function has( $name ) {
+		return isset( $this->services[ $name ] );
+	}
+
+	/**
+	 * @param $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.
+	 */
+	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.
+	 */
+	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
+	 */
+	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
+	 */
+	public function offsetUnset( $offset ) {
+		unset( $this->services[ $offset ] );
+	}
+}