ord
expr
Returns the numeric ASCII value of the first character
of
expr
.
If
expr
is omitted, it uses
$_
. The return value is always
unsigned.
If you want a signed value, use
unpack('c'
,
expr
)
.
If you want all the characters of the string converted to a list of numbers, use
unpack('C*'
,
expr
)
instead.