PHPda belgilarning registri

Задание 1

Berilgan satr:

php<?php
  $str = 'php';
?>

Ushbu satrdan quyidagi satrni yarating:

php'PHP'

Задание 2

Berilgan satr:

php<?php
  $str = 'PHP';
?>

Ushbu satrdan quyidagi satrni yarating:

php'php'

Задание 3

Berilgan satr:

php<?php
  $str = 'london';
?>

Ushbu satrdan quyidagi satrni yarating:

php'London'

Задание 4

Berilgan satr:

php<?php
  $str = 'London';
?>

Ushbu satrdan quyidagi satrni yarating:

php'london'

Задание 5

Berilgan satr:

php<?php
  $str = 'london is the capital of great britain';
?>

Ushbu satrdan quyidagi satrni yarating:

php'London Is The Capital Of Great Britain'

Задание 6

Berilgan satr:

php<?php
  $str = 'LONDON';
?>

Ushbu satrdan quyidagi satrni yarating:

php'London'

Задание 7

Berilgan satr:

php<?php
  $str = 'привет';
?>

Ushbu satrdan quyidagi satrni yarating:

php'ПРИВЕТ'

Задание 8

Berilgan satr:

php<?php
  $str = 'ПРИВЕТ';
?>

Ushbu satrdan quyidagi satrni yarating:

php'привет'