'; // } //echo $i*$i .'
'; } echo $count; } function solution($n) { $arr = [4=>7, 7=>4]; return array_search($n, $arr); } function parse($data) { $data = strtolower($data); $value = 0; $result = []; for ($i=0; $i< strlen($data); $i++) { $input = $data[$i]; if ($input == 'i') { ++$value; } elseif ($input == 'd') { --$value; } elseif ($input == 's') { $value *=$value; } elseif ($input == 'o') { $result[] = $value; } } return $result; } function getAge($response) { // return correct age (int). Happy coding :) $age = substr($response, 0, 1); $age = (int)$age; return $age; } function isPangram($string) { $string = preg_replace('/[^a-z]+/', '', strtolower($string)); $string = count_chars($string, 3); return (strlen($string) == 26); } function getCount($str) { $vowelsCount = 0; // enter your magic here preg_match_all('/[aeiou]/i', $str, $matches); return count($matches[0]); } ?>