You can easily disable mouse right click in the web page, but it will not work in the
PHP $_SERVER variable provides an easy way to get user IP address. The simplest way to get the visitor IP address is using the REMOTE_ADDR in PHP. Use $_SERVER[‘REMOTE_ADDR’] to get IP address of the user in PHP. Alternatively, use HTTP_X_FORWARDED_FOR to get real IP address of user in PHP.
Sometimes needs to change the URL structure for SEO or other purposes. In that case, the old URL shows 404 error which is very confusing for the website’s visitor. To avoid this situation, you can redirect the old page (non-existing) request to new page URL by the .htaccess file.
Generally, we used radio buttons to let a user select ONE option from a limited number of choices. Most of the cases radio buttons are ideal to select a single option from a group of the options. If you want to allow the user to check only one checkbox from a group of the checkboxes, it can be done easily using jQuery.
It is important to take security seriously when you collecting data from the users. Form data validation is required before submitting to the database. You can implement the client-side form validation easily with HTML5 without using jQuery. Use type and pattern attribute in HTML input field to validate a phone number.
Before submitting the value of the radio button group, it is required to check whether the user selects one radio button in each group. Because it’s always a good idea to validate the value in the client before sending data to the server side. Here we will show you how to check if one radio button in each group is checked using jQuery.
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