Re: [PHP-DEV] Image submit underscores. From: Rasmus Lerdorf (rasmus <email protected>)
Date: 11/23/98

> Quick question: a coworker who is learning PHP just ran into the image
> submit dot=>underscore thing, and asked why this is done; I realized I
> don't know. So what's the official reason (which could go in the
> manual, too)?

Because a period is not a valid character in a variable name. A period is
in fact an operator.

-Rasmus 

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