retrieving and showing data

I try to insert that new function in the controllers:

PHP Code:

Parse error: syntax error, unexpected 'if' (T_IF), expecting function (T_FUNCTION) in C:\Program Files (x86)\EasyPHP-Devserver-16.1\eds-www\CompanyGiondaCI\application\controllers\Cpages.php on line 35
A PHP Error was encountered

Severity: Parsing Error

Message: syntax error, unexpected 'if' (T_IF), expecting function (T_FUNCTION)

Filename: controllers/Cpages.php

Line Number: 35

Backtrace: 


controllers/cpages.php

PHP Code:

public function __construct()
    {
        parent::__construct();
        
        $this->load->helper('url');
        $this->load->helper('url_helper');
        $this->load->helper('form');
        
        $this->load->library('form_validation');
        
        $this->load->model('Mpages');
    }
     
    if ( ! function_exists('array_to_object'))
    {
    /**
     * array_to_object ()
     * --------------------------------------------------------------------
     *
     * Converts an array to an object.
     *
     * @param   $data
     * @return  object
     */
    function array_to_object($data)
    {
        if (is_array($data))
        {
            /**
             * Return array converted to object Using __FUNCTION__
             * (Magic constant) for recursive call
             */
            return (object) array_map(__FUNCTION__, $data);
        }
        else
        {
            return $data;
        }
    }
}

if ( ! function_exists('object_to_array'))
{
    /**
     * object_to_array ()
     * --------------------------------------------------------------------
     *
     * Converts an object to an array.
     *
     * USAGE: $array = object_to_array($object);
     *
     * @param $obj
     * @return array
     */
    function object_to_array($obj)
    {
        if (is_object($obj))
        {
            // Gets the properties of the given object with get_object_vars function
            $obj = get_object_vars($obj);
        }

        if (is_array($obj))
        {
            /**
             * Return array converted to object Using __FUNCTION__
             * (Magic constant) for recursive call
             */
            return array_map(__FUNCTION__, $obj);
        }
        else
        {
            return $obj;
        }
    }
    } 
 
    public function index() { $this->load->view('index'); }
    
    public function categories() { $this->load->view('categories');} 


views/pcategories.php

PHP Code:

<div class="widget-box">
                        <div class="widget-title"><h5>Parent Categories</h5></div>
                        <div class="widget-content">
                        
                        <table border="0" style="width: 100%; height: 90px;">
                            <tr>
                                <td>PARENT NAME</td>
                                <td>DESCRIPTION</td>
                                <td>EDIT</td>
                                <td>DELETE</td>    
                            </td>
                            
                            <?php// foreach($posts as $post){?>
                            <tr><?php echo $this->Mpages->call_parentctg(); ?>
                                <td><?php echo /*$data['ctgparent_name'];*/ $ctgparent_name; ?></td>
                                <td><?php echo /*$data['ctgparent_description'];*/ $ctgparent_description; ?></td>
                                <td><button type="button" class="edit" onclick="location.href='<?php echo site_url('cpages/editparentctg'); ?>';">EDIT</button></td>
                                <td><button type="button" class="delete" href="adminform.php">DELETE</button></td>    
                            </td>    
                            <tr>
                                <td><?php //echo $data['ctgparent_name']; ?></td>
                                <td><?php //echo $data['ctgparent_description']; ?></td>
                                <td><button type="button" class="edit" onclick="location.href='<?php echo site_url('cpages/addparentctg'); ?>';">EDIT</button></td>
                                <td><button type="button" class="delete" href="adminform.php">DELETE</button></td>    
                            </td>
                            <?php// }?> 
                            
                        </table>            
                        </div>
                    </div> 


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