if(isset($_POST) and $_SERVER['REQUEST_METHOD'] == "POST") {
$path = "images/"; //set your folder path
$filename = $_FILES['photoimg']['tmp_name']; //get the temporary uploaded image name
$valid_formats = array("jpg", "png", "gif", "bmp", "jpeg","GIF","JPG","PNG"); //add the formats you want to upload
    
        $name = $_FILES['photoimg']['name']; //get the name of the image
        $size = $_FILES['photoimg']['size']; //get the size of the image
        if(strlen($name)) //check if the file is selected or cancelled after pressing the browse button. 
        {
            list($txt, $ext) = explode(".", $name); //extract the name and extension of the image
            if(in_array($ext,$valid_formats)) //if the file is valid go on.
            {
            if($size < 10098888) // check if the file size is more than 2 mb
            {
            $actual_image_name =  str_replace(" ", "_", $txt)."_".time().".".$ext; //actual image name going to store in your folder
            $tmp = $_FILES['photoimg']['tmp_name']; 
            if(move_uploaded_file($tmp, $path.$actual_image_name)) //check the path if it is fine
                {
                    move_uploaded_file($tmp, $path.$actual_image_name); //move the file to the folder
                    //display the image after successfully upload
                    echo '<img src="ads/images/'.$actual_image_name.'" class="preview" style="width: 63%;"/>  
                            
                     <input type="hidden" name="img" id="Name1" value='.$actual_image_name.' /> <br />';
                    
                }
            else
                {
                    echo "failed";
                }
            }
            else
            {
                echo "Image file size max 10 MB";                    
            }
            }
            else
            {
                echo "Invalid file format..";    
            }
        }
        else
        {        
            echo "Please select image..!";
        }        
    exit;
    }