The user password (stored as an MD5 hash) can be retrieved like so:
$users = get_users();
foreach ( $users as $user ) {
$password = $user->user_pass;
}
Assuming you have some known value for passkey, you can hash it and compare it to each user’s password:
$passkey = 'somestring';
$hashed_passkey = md5( $passkey );
$users = get_users();
foreach ( $users as $user ) {
if ( $user->user_pass == $hashed_passkey ) {
// We have a match!
// Do something
}
}
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