HTTP, which stands for Hypertext Transfer Protocol, is a communication protocol used by your browser to connect to the web server of the site you're looking for. When HTTP data transfer between the browser and the web server is shared via unencrypted hypertext, anybody connected to your network can intercept the data you're transferring. To combat this, it's best to switch to HTTPS, the more secure extension of HTTP. You can't verify data integrity with HTTP
With its open-source nature, PHP has evolved into one of the most popular languages among web developers. According to w3techs, 78 percent of websites across the globe use PHP as their server-side language. Even amongst the top 1,000 ranked sites, PHP is dominant, being used by more than 50 percent of them.