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6_functions
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mid
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2001-03-21
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Synopsis:
$mid(<offset> <length> <text>)
Technical:
This function returns the input text, starting at the specified offset,
and not exceeding the specified length. If the length specified would
extend beyond the end of the text, it is adjusted accordingly. The
offset is counted from 0 (zero).
Practical:
This function takes an arbitrary input string, and returns a slice of
it. This might be used to strip the first few characters off of a
string, regardless of what they might be.
Returns:
slice of input text, or nothing if error
Examples:
$mid(4 3 hello there) returns "o t"
$mid(7 100 this is a long string) returns " a long string"
See Also:
left(6); right(6)