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Ninjakreborn

php words

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I have seen a lot of tutorials, and people in general use the word $foo, and $bar, with there being any variable information attached to them, is this something preset in php, if not what do they use this for what's teh purpose.

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Take a look at [a href=\"http://en.wikipedia.org/wiki/Metasyntactic_variable\" target=\"_blank\"]this[/a] page ... it explains these and other nonsense words very well.

Ken

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