Código:
C:\wwwroot\revistas>php --help
Usage: php [-q] [-h] [-s] [-v] [-i] [-f <file>]
php <file> [args...]
-a Run interactively
-C Do not chdir to the script's directory
-c <path>|<file> Look for php.ini file in this directory
-n No php.ini file will be used
-d foo[=bar] Define INI entry foo with value 'bar'
-e Generate extended information for debugger/profiler
-f <file> Parse <file>. Implies `-q'
-h This help
-i PHP information
-l Syntax check only (lint)
-m Show compiled in modules
-q Quiet-mode. Suppress HTTP Header output.
-s Display colour syntax highlighted source.
-v Version number
-w Display source with stripped comments and whitespace.
-z <file> Load Zend extension <file>.
C:\wwwroot\revistas>
Esto lo que sale cuando pongo php --help en DOS