<?php
$requestTransformed = "";
if (!empty($_GET['value'])) {
$request = $_GET['value'];
$lastChar = substr($request, -1);
$lastCharTransformed = isUpperCase($lastChar) ? strtolower($lastChar) : strtoupper($lastChar);
$requestTransformed = $lastCharTransformed;
} else {
$requestTransformed = "NoValue!";
}
function isUpperCase($char)
{
$upper = strtoupper($char);
return $upper === $char;
}
echo $requestTransformed;
//$s = ($s == strtolower($s)) ? strtoupper($s) : strtolower($s);
function IsStringLowerCase($string)
{
$lower = TRUE;
$cnt = count($string);
for ($x = 0; $x < $cnt; $x++) {
if (isUpperCase($string[$x])) {
$lower = FALSE;
break;
}
}
return $lower;
}
<?php
$inputString = $_GET["text"];
//$wordArr = preg_split("/[\s\W\d]+/", $inputString, -1, PREG_SPLIT_NO_EMPTY);
$str = $inputString;
$resultStr = '';
$word = "";
while (strlen($str) > 0) {
preg_match('/([a-zA-Z]+)|([\\s\\W\\d]*)/', $str, $match);
$word = $match[1];
$separator = $match[2];
$count = strlen($word);
$word = isUpperCase($word);
$resultStr .= $word . $separator;
$count += strlen($separator);
$str = substr($str, $count, strlen($inputString));
}
echo "<p>" . htmlspecialchars($resultStr) . "</p>";
function isUpperCase($word)
{
if (strtoupper($word) == $word) {
$word = strrev($word);
if (getPalindrome($word)) {
$doubleCharWord = '';
for ($i = 0; $i < strlen($word); $i++) {
$currentChar = $word[$i];
$doubleCharWord .= $currentChar . $currentChar;
}
return $doubleCharWord;
}
}