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chris at ocproducts dot com
8 years ago
Guide to script parameters...

Data: $_GET
Data type: Array (map)
Purpose: Contains all GET parameters (i.e. a parsed URL query string).
Caveat: GET parameter names have to be compliant with PHP variable naming, e.g. dots are not allowed and get substituted.
Works on web mode: Yes
Works on CLI mode: No

Data: $_SERVER['QUERY_STRING']
Data type: String
Purpose: Gets an unparsed URL query string.
Caveat: Not set on all PHP environments, may need setting via http_build_query($_GET).
Works on web mode: Yes
Works on CLI mode: No

Data: $_SERVER['argv']
Data type: Array (list)
Purpose: Get CLI call parameters.
Works on web mode: Tenuous (just contains a single parameter, the query string)
Works on CLI mode: Yes

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