We all have encountered captcha validations in online web forms. Basically captcha are used to check that weather you are human or a bot. These captcha images contains some readable text with some noise, shape, distortion, lines and dots, which are understandable by human.
When working with web forms, there are various situations where you need to enable or disable submit button, today i am going to share how to enable or disable submit button if at least one checkbox is checked using jQuery.
Today i am sharing how to create a zip file of multiple files using PHP and download that zip file on click. For this purpose i will need a folder where all files are available which can be selected and downloaded.