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Although PHP is most commonly used to write web applications, it can also be used for scripts that run from a command line interface (CLI). The CLI environment is a little different than the web environment, and PHP's current documentation doesn't make it easy to locate the relevant pieces.


Predefined variables:

  • $argc contains the number of arguments passed to the current script
  • $argv[] contains an array of all the arguments passed to the script
    • $argv[0] is always the name that was used to run the script.

Note that these variables are only present in the global scope; to use them inside of objects, they will need to be passed in somehow.


See also file/glob for interfacing with the CLI environment's file-globbing services