Function: strtolower ();
if
(strtolower($_SESSION[
'rand'
])==strtolower($str_number )){
echo
"验证码正确"
;
}
else
{
echo
"验证码不正确"
;
}
Function: strtolower ();
if
(strtolower($_SESSION[
'rand'
])==strtolower($str_number )){
echo
"验证码正确"
;
}
else
{
echo
"验证码不正确"
;
}