PHP Taskbook Level 3.2

Задание 1

Print to the console all numbers in the range from 10 to 1000, whose second-to-last digit is even.

Задание 2

Given an array, remove every fifth element from it.

Задание 3

Given a variable with a number:

php$num = 5;

Make a string containing as many zeros as specified in the variable. In our case, we get the following string:

php'00000'

Задание 4

There is a certain line with the words:

php'aaa bbb ccc eee fff'

Delete every second word from this line. In our case, we should get the following:

php'aaa ccc fff'

Задание 5

Given an array:

php[
  [1, 2, 3],
  [4, 5, 6],
  [7, 8, 9],
]

Find the sum of the elements of this array.