Hi ppl,
Can you tell me what does this mean?

if (substr($text, -1) == ".")
{$test = substr($text, 0, -1);}

I know the if part searches the $text from the starting for the "."
I am just confused about what the second and third arguement does in the
substr. (Second line)

I know that this is an easy question for you PHP guys out there,
 and I know i will get an answer,
 so I thank you all in advance.

-Ryan A.

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