Codice per resize immagini Joomla con Jimage + salvataggio in cache

jimage_resize.php

<?php
if (!is_dir(JPATH_SITE .'/cache/Qcache/')) {
    				mkdir(JPATH_SITE .'/cache/Qcache/', 0755, true);
			}    
                    $imgPath = JPATH_SITE . '/cache/Qcache/' . basename($immagineURL);
                    $imgURL = '/cache/Qcache/' . basename($immagineURL);
                    
                    if (!file_exists($imgPath)) {
                                                            
                        // Create our image object
                        $imageObj = new JImage(JPATH_SITE . $immagineURL);
                        
                        $properties = JImage::getImageFileProperties(JPATH_SITE . $immagineURL);
			//$properties = JImage::getImageFileProperties(JPATH_SITE . '/' . $immagineURL); //if not works   
                        
                        $mime = $properties->mime;

                        if ($mime == 'image/jpeg')
                        {
                            $type = IMAGETYPE_JPEG;
                        }
                        elseif ($mime = 'image/png')
                        {
                            $type = IMAGETYPE_PNG;
                        }
                        elseif ($mime = 'image/gif')
                        {
                            $type = IMAGETYPE_GIF;
                        }
                                           
                        // Resize the image using the SCALE_INSIDE method
                        $imageObj = $imageObj->resize(300, 190, true, JImage::SCALE_INSIDE); 
                        
                        $imageObj->toFile($imgPath , $type);					
    					
    					$imageObj->destroy();
    					}
                    echo '<img src="'.$imgURL.'"/>';
?>