Exception.php

<?php
class RM_Exception
    extends
        Exception
    implements
        ArrayAccess,
        Iterator
{
    
    protected $_list = array();
    
    
    public static function initArray(array $errors) {
        $rmException = new self();
        foreach ($errors as $error) {
            $rmException->_list[] = $error['text'];
        }
        return $rmException;
    }
    
    public function __construct() {
    }
    
    public function hasError() {
        return sizeof( $this->_list ) > 0;
    }
    
    public function offsetExists($index) {
      return isset($this->_list[$index]);
    }
    
    public function offsetGet($index) {
      return $this->_list[$index];
    }
    
    public function offsetSet($index, $value) {
        if (isset($index)) {
            $this->_list[$index] = $value;
        } else {
            $this->_list[] = $value;
        }
    }
    
    public function offsetUnset($index) {
      unset($this->_list[$index]);
    }
    
    public function current() {
      return current($this->_list);
    }
    
    public function key() {
      return key($this->_list);
    }
    
    public function next() {
      return next($this->_list);
    }
    
    public function rewind() {
      return reset($this->_list);
    }
    
    public function valid() {
      return (bool) $this->current();
    }
    
    public function getMessages(){
        return $this->_list;
    }

}