Obfusquez votre code PHP

<?php

function generateWordList() {
  // Replace these with your own word list
  return [
    "apple",
    "banana",
    "orange",
    "computer",
    "programming",
  ];
}

function getRandomWord($wordList) {
  $randomIndex = array_rand($wordList);?
  return $wordList[$randomIndex];
}

function displayHangman($guessesLeft) {
  $stages = [
    "[   O    ]",
    "[   |    ]",
    "[  /|    ]",
    "[  /|\\   ]",
    "[   |    ]",
    "[  /     ]",
    "Wrong guess: ",
  ];
  echo $stages[$guessesLeft] . PHP_EOL;?
}

function displayWord($word, $guessedLetters) {
  $displayedWord = "";
  for ($i = 0; $i < strlen($word); $i++) {?
    $letter = $word[$i];
    if (in_array($letter, $guessedLetters)) {?
      $displayedWord .= $letter . " ";
    } else {
      $displayedWord .= "_ ";
    }
  }
  echo trim($displayedWord) . PHP_EOL;?
}

function playHangman() {
  $wordList = generateWordList();
  $word = getRandomWord($wordList);
  $guessedLetters = [];
  $guessesLeft = 6;

  while ($guessesLeft > 0) {
    displayHangman($guessesLeft);
    displayWord($word, $guessedLetters);

    echo "Guess a letter: ";
    $guess = trim(fgets(STDIN));?

    if (strlen($guess) !== 1 || !ctype_alpha($guess)) {?
      echo "Please enter a single letter." . PHP_EOL;
      continue;
    }

    $guess = strtolower($guess);?

    if (in_array($guess, $guessedLetters)) {
      echo "You already guessed that letter." . PHP_EOL;
      continue;
    }

    $guessedLetters[] = $guess;

    if (strpos($word, $guess) === false) {?
      $guessesLeft--;
    }

    if (str_replace(" ", "", displayWord($word, $guessedLetters)) === $word) {?
      echo "Congratulations! You guessed the word." . PHP_EOL;
      break;
    }
  }

  if ($guessesLeft === 0) {?
    displayHangman($guessesLeft);
    echo "You ran out of guesses. The word was: " . $word . PHP_EOL;
  }
}

playHangman();

<?php
// Define an array of words
function getRandomWord()
{
    $words = [
        "apple",
        "banana",
        "orange",
        "computer",
        "programming",
    ];
    return $words[array_rand($words)];?
}

// Display hangman art based on the number of incorrect guesses
function displayHangman($incorrectGuesses)
{
    $hangmanArt = [
        "[   O    ]",
        "[   |    ]",
        "[  /|    ]",
        "[  /|\\   ]",
        "[   |    ]",
        "[  /     ]",
    ];
    echo $hangmanArt[$incorrectGuesses] . PHP_EOL;?
}

// Display the word with guessed letters revealed
function displayWord($word, $guessedLetters)
{
    $displayedWord = "";
    foreach (str_split($word) as $letter) {?
        if (in_array($letter, $guessedLetters)) {
            $displayedWord .= $letter . " ";
        } else {
            $displayedWord .= "_ ";
        }
    }
    echo trim($displayedWord) . PHP_EOL;?
}

// Main game loop
function playHangman()
{
    $wordToGuess = getRandomWord();
    $guessedLetters = [];
    $incorrectGuesses = 6;

    while ($incorrectGuesses > 0) {
        displayHangman($incorrectGuesses);
        displayWord($wordToGuess, $guessedLetters);
        echo "Guess a letter: ";
        $guess = trim(fgets(STDIN));?

        if (strlen($guess) !== 1 || !ctype_alpha($guess)) {?
            echo "Please enter a single letter." . PHP_EOL;
            continue;
        }

        $guess = strtolower($guess);?

        if (in_array($guess, $guessedLetters)) {
            echo "You already guessed that letter." . PHP_EOL;
            continue;
        }

        $guessedLetters[] = $guess;

        if (strpos($wordToGuess, $guess) === false) {?
            $incorrectGuesses--;
        }

        if (str_replace(" ", "", displayWord($wordToGuess, $guessedLetters)) === $wordToGuess) {?
            echo "Congratulations! You guessed the word." . PHP_EOL;
            break;
        }
    }

    if ($incorrectGuesses === 0) {?
        displayHangman($incorrectGuesses);
        echo "You ran out of guesses. The word was: " . $wordToGuess . PHP_EOL;
    }
}

// Start the game
playHangman();