if....else

sintaknya :

if (syarat1)
{
statement11;
statement12;
.
.
}
elseif (syarat2)
{
statement21;
statement22;
.
.
}
.
.
else
{
statement1;
statement2;
.
.
}

contoh:

<?
$karyawan = "Bob";
if($karyawan == "Tanner")
{
echo "Hello Tanner!";
}
elseif($karyawan == "Bob")
{
echo "Hello Bob!";
}
else
{
echo "Hello!";
}