PHP Taskbook Level 3.5
Given a text with words. Write into an array all words that begin with the letter 'a'.
Given an array of numbers, leave in it only those numbers that are divisible by 5.
Given an array of numbers, leave in it only those numbers that contain the digit zero.
Given an array of numbers, check that it contains a number that contains the digit 3.
Given a number:
35142
Sort the digits of this number. In our case, we should get the following:
12345
Write a program that will generate the following string:
'-1-2-3-4-5-'
