Can i use this statement

i this a valid command

$fp = fopen($hyphen + ".html","w");

I ha开发者_运维技巧ve declared $hyphen already.But it doesn't seem to be working

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string concatenation in php works by using . (instead of + like other languages use (java, javascript, c++ ...)), so you have to change your script to this:

$fp = fopen($hyphen . ".html","w");
                // ^^^ this has to be a dot, not a plus

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Nope. Join the two parts of the filename using a dot instead of a plus sign, and it should work.

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There is an error. Try:

$fp = fopen($hyphen . ".html","w");