Visitors may sometimes access your server by a pretty raw manner which contains the most specific matching IP address. For instance, suppose the server IP… Read More »Deny Browsing via IP Address
You don't have to retrieve all content of a URL to determine the page is valid or not, just get the status code from URL's… Read More »PHP Validate URL
Sometimes, you may want to prevent specific users from accessing data in some conditions and return them a mild refusal 404 Not Found page instead,… Read More »Return 404 Not Found by PHP