PHP游戏会话不工作
我需要一个PHP会话来存储一个变量$CurrentPos,用于播放器的位置,但不管出于什么原因,它都不起作用。这可能是因为我实现了错误的代码,但我就是想不出来PHP游戏会话不工作,php,session,input,Php,Session,Input,我需要一个PHP会话来存储一个变量$CurrentPos,用于播放器的位置,但不管出于什么原因,它都不起作用。这可能是因为我实现了错误的代码,但我就是想不出来 <?php session_start(); include_once 'index.php'; $World = simplexml_load_file("gameworld.xml"); $_SESSION["CurrentPos"] = 0 ; $CurrentPos = $_SESSION["CurrentPos"]; pr
<?php
session_start();
include_once 'index.php';
$World = simplexml_load_file("gameworld.xml");
$_SESSION["CurrentPos"] = 0 ;
$CurrentPos = $_SESSION["CurrentPos"];
print "<br>";
printplace();
function printplace() {
GLOBAL $World, $CurrentPos;
$Room = $World->ROOM[$CurrentPos];
$Name = $Room->NAME;
$Desc = wordwrap((string)$Room->DESC);
print "$Name<br>";
print str_repeat('-', strlen($Name));
print "<br>$Desc<br>";
if ((string)$Room->NORTH != '-') {
$index = (int)$Room->NORTH;
print "North: {$World->ROOM[$index]->NAME}<br>";
}
if ((string)$Room->SOUTH != '-') {
$index = (int)$Room->SOUTH;
print "South: {$World->ROOM[$index]->NAME}<br>";
}
if ((string)$World->ROOM[$CurrentPos]->WEST != '-') {
$index = (int)$Room->WEST;
print "West: {$World->ROOM[$index]->NAME}<br>";
}
if ((string)$World->ROOM[$CurrentPos]->EAST != '-') {
$index = (int)$Room->EAST;
print "East: {$World->ROOM[$index]->NAME}<br>";
}
print "<br>";
}
$input = explode(' ', $input);
print "<br>";
foreach ($input as $command) {
switch ($command) {
case 'north':
if ((string)$World->ROOM[$CurrentPos]->NORTH != '-') {
$CurrentPos = (int)$World->ROOM[$CurrentPos]->NORTH;
printplace() ;
} else {
print "You cannot go north!<br>";
}
break;
case 'south':
if ((string)$World->ROOM[$CurrentPos]->SOUTH != '-') {
$CurrentPos = (int)$World->ROOM[$CurrentPos]->SOUTH;
printplace() ;
} else {
print "You cannot go south!<br>";
}
break;
case 'west':
if ((string)$World->ROOM[$CurrentPos]->WEST != '-') {
$CurrentPos = (int)$World->ROOM[$CurrentPos]->WEST;
printplace() ;
} else {
print "You cannot go west!<br>";
}
break;
case 'east':
if ((string)$World->ROOM[$CurrentPos]->EAST != '-') {
$CurrentPos = (int)$World->ROOM[$CurrentPos]->EAST;
printplace() ;
} else {
print "You cannot go east!<br>";
}
break;
case 'look':
printplace() ;
break;
default:
print "not a valid command... <br>";
break;
}
}
print "<br>Thanks for playing!<br>";
?>
房间[$CurrentPos];
$Name=$Room->Name;
$Desc=wordwrap((字符串)$Room->Desc);
打印“$Name
”;
打印stru重复('-',strlen($Name));
打印“
$Desc
”;
如果((字符串)$Room->NORTH!='-'){
$index=(int)$Room->NORTH;
打印“北:{$World->ROOM[$index]->NAME}
”;
}
如果((字符串)$Room->SOUTH!='-'){
$index=(int)$Room->SOUTH;
打印“南方:{$World->ROOM[$index]->NAME}
”;
}
如果((字符串)$World->ROOM[$CurrentPos]->WEST!='-'){
$index=(int)$Room->WEST;
打印“西:{$World->ROOM[$index]->NAME}
”;
}
如果((字符串)$World->ROOM[$CurrentPos]->EAST!='-'){
$index=(int)$Room->EAST;
打印“东:{$World->ROOM[$index]->NAME}
”;
}
打印“
”;
}
$input=分解(“”,$input);
打印“
”;
foreach($input as$命令){
开关($命令){
案件‘北’:
如果((字符串)$World->ROOM[$CurrentPos]->NORTH!='-'){
$CurrentPos=(int)$World->ROOM[$CurrentPos]->NORTH;
printplace();
}否则{
打印“你不能北上!”;
}
打破
“南部”案例:
如果((字符串)$World->ROOM[$CurrentPos]->SOUTH!='-'){
$CurrentPos=(int)$World->ROOM[$CurrentPos]->SOUTH;
printplace();
}否则{
打印“你不能往南走!
”;
}
打破
“西部”案例:
如果((字符串)$World->ROOM[$CurrentPos]->WEST!='-'){
$CurrentPos=(int)$World->ROOM[$CurrentPos]->WEST;
printplace();
}否则{
打印“你不能往西走!
”;
}
打破
案件‘东’:
如果((字符串)$World->ROOM[$CurrentPos]->EAST!='-'){
$CurrentPos=(int)$World->ROOM[$CurrentPos]->EAST;
printplace();
}否则{
打印“你不能向东!
”;
}
打破
“看”一案:
printplace();
打破
违约:
打印“不是有效的命令…
”;
打破
}
}
打印“
感谢您的播放!
”;
?>
出于某种原因,我的session变量实际上不起作用——看看我的意思(我真的不知道如何解释,我是一个PHP新手:p)
非常感谢您的帮助。您需要将会话设置为交换机机箱内的当前位置。每行之后(例如): 添加此行:
$_SESSION['CurrentPos'] = $CurrentPos;
每次调用此脚本时,您都将会话重置为0。因此,我如何仅在第一次将其设置为0?您可以更改$u会话[“CurrentPos”]=0;到$\u会话[“CurrentPos”]=(isset($\u会话['CurrentPos'])?$\u会话['CurrentPos']:0);还是不行。。。?我将其设置为
$\u会话[“CurrentPos”]=(isset($\u会话['CurrentPos'])?$\u会话['CurrentPos']:0)代码>但它仍然有同样的问题。非常感谢!工作得很有魅力。
$_SESSION['CurrentPos'] = $CurrentPos;