Practice on If-Else Conditions in PHP
Задание 1
The variable $month contains some
number from the interval 1 to 12.
Determine which season this month falls into
(winter, summer, spring, autumn).
Задание 2
A string is given, consisting of characters, for example,
'abcde'. Check that the first character
of this string is the letter 'a'.
Задание 3
A number is given, for example, 12345. Check,
that the first digit of this number is
1, 2 or 3.
Задание 4
A three-digit number is given. Find the sum of the digits of this number.
Задание 5
A number of 6 digits is given. Check,
that the sum of the first three digits equals the sum
of the second three digits.