Returns a substring of the specified "string" starting from the start index followed by the next n chars
"string" - the string to grab a substring of.
start - the start index. (defaults to 0)
length - number of characters to grab starting at the start index.
The specified substring.
$string = "abcdefghijklmnopqrstuvwxyz"; $substr = mid($string, 13, 5); println($substr);
nopqr