[Konstantinos]

Load the hashed password and check if the two strings are equal.

pawn Код:

// Login via dialog (an example)
new hashPassword[129];
WP_Hash(hashPassword, 129, inputtext);

// Let's say PlayerInfo[playerid][pPassword] stores the loaded password.
if(!strcmp(hashPassword, PlayerInfo[playerid][pPassword], false))
{
    // correct password
}
else
{
    // wrong password
}