This page may output a large amount of information about the current state of PHP using phpinfo() function. This includes information about PHP compilation options and extensions, the PHP version, server information and environment (if compiled as a module), the PHP environment, OS version information, paths, master and local values of configuration options, HTTP headers, and the PHP License.

Remove the file from production systems.

• Forced Browsing (Mitre)
• Forced Browsing (OWASP)
• Predictable Resource Location