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2011-02-20T06:41:21.720
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2011-02-20T06:41:21.720
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<p>You have to get a better grasp on how the input works in php.</p> <p>You can't have the user to input data into the middle of a script. When the php script start to execute all the user input is already done and you have just to process it.</p> <p>Try to split your method into two to simulate the intended behaviour</p> <pre><code>class GamePlay { $playerChoice=""; $gameOver="false"; public function pendingInput() { // check for input into $_GET or $_POST and return data or false // something like (this function maybe a lot more complicate (or splitted // into smaller ones): if (isset($_POST['submit']) { // always check user input for forgeries // you have to write the sanitize function obviously $input=sanitize($_POST['submit']); return $input; } else { return false; } } public function play(){ if (!$this->gameOver) { $input = $this->pendingInput(); if($input) { $this->applyUserMove($input); $this->doComputerMove(); } $this->getPlayerInput(); } else { $this->gameEnds(); } } public function getPlayerInput(){ echo '<form name="playerForm" "method="post">'; echo '<input type="submit" name="submit" value="do this" />'; echo '<input type="submit" name="submit" value="do that" />'; echo '</form>'; } public function gameEnds() { echo 'The game is over. The winner is blah blah ... '; echo 'play another game?'; echo 'link to start game...'; } } </code></pre> <p>You have to think on a single run of the while loop you designed in your question. Use sessions (as http is stateless) and let the server/client take care of the loop.</p> <p><strong>Notice:</strong> This is just an approach to the problem, there are others but this is similar to your intended solutions.</p> <p><strong>Some additional hints:</strong> You can think of a php game as a <a href="http://www.eti.pg.gda.pl/katedry/kiw/pracownicy/Jan.Daciuk/personal/thesis/node12.html" rel="nofollow">Finite State Automata</a>:</p> <ul> <li>you get input from outside</li> <li>change your internal status</li> <li>output for inform user of your new status</li> <li>eventually wait for input</li> </ul> <p>You can use a dispatcher to select the status and write a method for every state or just do a kitchen sink method like applyUserMove and operate the switch internally. Either way the work (as program) you have to do is the same.</p>
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1. POHow do I get user input in the middle of a PHP method?
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1. COthanks for the suggestion. I'll try it out.
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