(PHP 5)
substr_compare -- Binary safe optionally case insensitive comparison of 2 strings from an offset, up to length characters
substr_compare() compares main_str
from position offset
with str
up to length
characters.
Returns < 0 if main_str
from position
offset
is less than str
, >
0 if it is greater than str
, and 0 if they are equal.
If length
is equal or greater than length of
main_str
and length
is set,
substr_compare() prints warning and returns FALSE.
If case_insensitivity
is TRUE, comparison is case
insensitive.