htmlspecialchars() expects parameter 1 to be string, object given error in COdeIgniter

Question

When assigning a type casted array to codeigniter\'s session, I get this error:

A PHP Error was encountered 
Severity: Warning

Message: htmlspecialchars() expe         


        

Answer 1

The CodeIgniter profiler breaks as soon as you store any non-array non-strings in its session:

foreach ($this->CI->session->all_userdata() as $key => $val)
{
    if (is_array($val))
    {
        $val = print_r($val, TRUE);
    }

    $output .= "<...>".htmlspecialchars($val)."<...>\n";
}

(from CI_Profiler::_compile_session_data())

This looks like a pretty stupid thing since print_r() works fine with objects - so is_array($val) || is_object($val) would be more appropriate.