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Use PHP to implement 24 o'clock game on WeChat public platform_PHP tutorial
Backend Development
PHP Tutorial
Use PHP to implement 24 o'clock game on WeChat public platform_PHP tutorial
Use PHP to implement 24 o'clock game on WeChat public platform_PHP tutorial
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Use PHP to implement the 24 o'clock game on the WeChat public platform. The server is built as SAE, so many statements are different from MYSQL. The 24 o'clock database is stored in 24data. The results are first calculated using python and then stored in a local txt file and finally poured into it. SAE's MYSQL records all four numbers with solutions. WeChat ID can be added: 24 o'clock.
//define your token
define("TOKEN", "ddwm");
define("INPUT_NAME", "1");
define("START_GAME", "2");
define("TIMING_START", "3");
define("TIMING_END", "4");
$wechatObj = new Why24Point();
if ($_GET["echostr"])
$wechatObj--->valid();
else
$wechatObj->responseMsg();
class Why24Point {
public function responseMsg() {
//get post data, May be due to the different environments
$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
//extract post data
if (!empty($postStr)) {
$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
$fromUsername = $postObj->FromUserName;
$toUsername = $postObj->ToUserName;
if($postObj->Event == "subscribe"){
$time = time();
$textTpl = " <xml>
<tousername><!--[CDATA[%s]]--></tousername>
<fromusername><!--[CDATA[%s]]--></fromusername>
<createtime>%s</createtime>
<msgtype><!--[CDATA[%s]]--></msgtype>
<content><!--[CDATA[%s]]--></content>
</xml>";
$msgType = "text";
$contentStr = "哟你好亲爱的小伙伴，欢迎来到24点~\n游戏规则：使用+-*/四则运算得出结果为24即可。\n任何时候输入 主页 返回主菜单，\n输入 排名 查看当前排名哟~\n如果有情况反馈请发送语音信息！\n请输入任意内容，开始我们的24点职业生涯！";
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
echo $resultStr;
}
$keyword = trim($postObj->Content);
$time = time();
$textTpl = " <xml>
<tousername><!--[CDATA[%s]]--></tousername>
<fromusername><!--[CDATA[%s]]--></fromusername>
<createtime>%s</createtime>
<msgtype><!--[CDATA[%s]]--></msgtype>
<content><!--[CDATA[%s]]--></content>
</xml>";
if (!empty($keyword)) {
$msgType = "text";
$contentStr = $this->getData($fromUsername, $keyword);
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
echo $resultStr;
} else {
echo "输入点东西吧。。";
}
} else {
echo "";
exit;
}
}
private function getData($fromUsername, $keyword) {
if($keyword == "主页"){
$this->setStep($fromUsername, constant("START_GAME"));
return "欢迎来到24点的决战现场。请输入任意内容，开始我们的24点职业生涯！任何时候输入 主页 返回主菜单，输入 排名 查看当前排名~";
}
if($keyword == "排名"){
return "您的目前排名是：".$this->getRank($fromUsername);
}
if ($this->isFirst($fromUsername)) {
return "这是你第一次参加游戏，请输入你的用户昵称：";
}
if ($this->getStep($fromUsername) == constant("INPUT_NAME")) {
$this->setName($fromUsername, $keyword);
$this->setStep($fromUsername, constant("START_GAME"));
return "你好，" . $keyword . "同学。请输入任意内容，开始我们的24点职业生涯！任何时候输入 主页 返回主菜单，输入 排名 查看当前排名~";
}
if ($this->getStep($fromUsername) == constant("START_GAME")) {
$numbers = $this->getNumbers();
$this->setStep($fromUsername, constant("TIMING_START"));
return "游戏规则：使用+-*/四则运算得出结果为24即可。\n请听题！" . $this->getNumbers();
}
if ($this->getStep($fromUsername) == constant("TIMING_START")) {
if ($this->calcStr($keyword)) {
//$this->setStep($fromUsername, constant("TIMING_END"));
$this->setGrade($fromUsername, 5);
$this->setStep($fromUsername, constant("START_GAME"));
return "结果等于24！你现在的分数是：".$this->getGrade($fromUsername);
}
return "结果错误！骗子，根本就不等于24！";
//$this->setStep($fromUsername, constant("TIMING_END"));
}
return "我擦，系统出问题了。抱了个歉哈！";
}
//计算排名
private function getRank($fromUsername){
$mysql = new SaeMysql();
$grade = $this->getGrade($fromUsername);
$sql = "SELECT COUNT( * ) FROM `24points` WHERE `grade` > ".$grade."";
$mysql->closeDb();
return intval($mysql->getVar($sql))+1;
}
//计算成绩
private function setGrade($fromUsername, $add){
$mysql = new SaeMysql();
$sql = "SELECT grade FROM `24points` WHERE `userid` = '" . $fromUsername . "'";
$grade = intval($mysql->getVar($sql)) + $add;
$sql = "UPDATE `24points` SET `grade` = '" . $grade . "' WHERE `userid` ='" . $fromUsername . "';";
$mysql->runSql($sql);
$mysql->closeDb();
}
//获得成绩
private function getGrade($fromUsername){
$mysql = new SaeMysql();
$sql = "SELECT grade FROM `24points` WHERE `userid` = '" . $fromUsername . "'";
$mysql->closeDb();
return intval($mysql->getVar($sql));
}
//计算等式，返回正确或者错误
private function calcStr($keyword) {
$keyword = str_replace("（","(",$keyword);
$keyword = str_replace("）",")",$keyword);
$keyword = str_replace("÷","/",$keyword);
$keyword = str_replace("／","/",$keyword);
$keyword = str_replace("×","*",$keyword);
$atr_arr = str_split($keyword);
$new_atr = '';
for ($i = 0; $i < strlen($keyword); $i++) {
$new_atr = $new_atr . $atr_arr[$i];
}
$s = eval("return $new_atr;");
if ($s == 24) {
return true;
}
return false;
}
//是否是第一次
private function isFirst($fromUsername) {
$mysql = new SaeMysql();
$sql = "SELECT * FROM `24points` WHERE `userid` = '" . $fromUsername . "'";
$data = $mysql->getData($sql);
if (count($data) == 0) {
$sql = "INSERT INTO `24points` (`userid`, `step`) VALUES ('" . $fromUsername . "', '" . constant("INPUT_NAME") . "');";
$mysql->runSql($sql);
$mysql->closeDb();
return true;
}
return false;
}
//获取当前的步骤
private function getStep($fromUsername) {
$mysql = new SaeMysql();
$sql = "SELECT step FROM `24points` WHERE `userid` = '" . $fromUsername . "'";
$mysql->closeDb();
return $mysql->getVar($sql);
}
//获取随机的四个数字用空格隔开
private function getNumbers() {
$rand_id = rand(1, 1362);
$mysql = new SaeMysql();
$sql = "SELECT num1 FROM `24data` WHERE `id` = '" . $rand_id . "'";
$num1 = $mysql->getVar($sql);
$sql = "SELECT num2 FROM `24data` WHERE `id` = '" . $rand_id . "'";
$num2 = $mysql->getVar($sql);
$sql = "SELECT num3 FROM `24data` WHERE `id` = '" . $rand_id . "'";
$num3 = $mysql->getVar($sql);
$sql = "SELECT num4 FROM `24data` WHERE `id` = '" . $rand_id . "'";
$num4 = $mysql->getVar($sql);
$mysql->closeDb();
$numbers = $num1 . " " . $num2 . " " . $num3 . " " . $num4;
return $numbers;
}
//设置当前操作的步数
private function setStep($fromUsername, $step) {
$mysql = new SaeMysql();
$sql = "UPDATE `24points` SET `step` = '" . $step . "' WHERE `userid` ='" . $fromUsername . "';";
$mysql->runSql($sql);
$mysql->closeDb();
}
//设置用户昵称
private function setName($fromUsername, $username) {
$mysql = new SaeMysql();
$sql = "UPDATE `24points` SET `username` = '" . $username . "' WHERE `userid` ='" . $fromUsername . "';";
$mysql->runSql($sql);
$mysql->closeDb();
}
//验证微信
public function valid() {
$echoStr = $_GET["echostr"];
//valid signature , option
if ($this->checkSignature()) {
echo $echoStr;
exit;
}
}
//检查签名
private function checkSignature() {
$signature = $_GET["signature"];
$timestamp = $_GET["timestamp"];
$nonce = $_GET["nonce"];
$token = TOKEN;
$tmpArr = array($token, $timestamp, $nonce);
sort($tmpArr);
$tmpStr = implode($tmpArr);
$tmpStr = sha1($tmpStr);
if ($tmpStr == $signature) {
return true;
} else {
return false;
}
}
}
Copy after login
1 1 1 8 1 1 1 11 1 1 1 12 1 1 1 13 1 1 2 6 1 1 2 7 1 1 2 8 1 1 2 9 1 1 2 10 1 1 2 11 1 1 2 12 1 1 2 13 1 1 3 4 1 1 3 5 1 1 3 6 1 1 3 7 1 1 3 8 1 1 3 9 1 1 3 10 1 1 3 11 1 1 3 12 1 1 3 13 1 1 4 4 1 1 4 5 1 1 4 6 1 1 4 7 1 1 4 8 1 1 4 9 1 1 4 10 1 1 4 12 1 1 5 5 1 1 5 6 1 1 5 7 1 1 5 8 1 1 6 6 1 1 6 8 1 1 6 9 1 1 6 12 1 1 7 10 1 1 8 8 1 1 9 13 1 1 10 12 1 1 10 13 1 1 11 11 1 1 11 12 1 1 11 13 1 1 12 12 1 1 12 13 1 1 13 13 1 2 2 4 1 2 2 5 1 2 2 6 1 2 2 7 1 2 2 8 1 2 2 9 1 2 2 10 1 2 2 11 1 2 2 12 1 2 2 13 1 2 3 3 1 2 3 4 1 2 3 5 1 2 3 6 1 2 3 7 1 2 3 8 1 2 3 9 1 2 3 10 1 2 3 11 1 2 3 12 1 2 3 13 1 2 4 4 1 2 4 5 1 2 4 6 1 2 4 7 1 2 4 8 1 2 4 9 1 2 4 10 1 2 4 11 1 2 4 12 1 2 4 13 1 2 5 5 1 2 5 6 1 2 5 7 1 2 5 8 1 2 5 9 1 2 5 10 1 2 5 12 1 2 5 13 1 2 6 6 1 2 6 7 1 2 6 8 1 2 6 9 1 2 6 10 1 2 6 11 1 2 6 12 1 2 6 13 1 2 7 7 1 2 7 8 1 2 7 9 1 2 7 10 1 2 7 11 1 2 7 12 1 2 8 8 1 2 8 9 1 2 8 10 1 2 8 13 1 2 9 11 1 2 9 12 1 2 9 13 1 2 10 11 1 2 10 12 1 2 10 13 1 2 11 11 1 2 11 12 1 2 11 13 1 2 12 12 1 2 12 13 1 2 13 13 1 3 3 3 1 3 3 4 1 3 3 5 1 3 3 6 1 3 3 7 1 3 3 8 1 3 3 9 1 3 3 10 1 3 3 11 1 3 3 12 1 3 4 4 1 3 4 5 1 3 4 6 1 3 4 7 1 3 4 8 1 3 4 9 1 3 4 10 1 3 4 11 1 3 4 12 1 3 4 13 1 3 5 6 1 3 5 7 1 3 5 8 1 3 5 9 1 3 5 10 1 3 5 11 1 3 5 12 1 3 5 13 1 3 6 6 1 3 6 7 1 3 6 8 1 3 6 9 1 3 6 10 1 3 6 11 1 3 6 12 1 3 6 13 1 3 7 7 1 3 7 8 1 3 7 9 1 3 7 10 1 3 7 12 1 3 7 13 1 3 8 8 1 3 8 9 1 3 8 10 1 3 8 11 1 3 8 12 1 3 8 13 1 3 9 9 1 3 9 10 1 3 9 11 1 3 9 12 1 3 9 13 1 3 10 10 1 3 10 11 1 3 10 12 1 3 11 11 1 3 11 12 1 3 12 12 1 3 12 13 1 3 13 13 1 4 4 4 1 4 4 5 1 4 4 6 1 4 4 7 1 4 4 8 1 4 4 9 1 4 4 10 1 4 4 11 1 4 4 12 1 4 5 5 1 4 5 6 1 4 5 7 1 4 5 8 1 4 5 9 1 4 5 10 1 4 5 11 1 4 5 12 1 4 5 13 1 4 6 6 1 4 6 7 1 4 6 8 1 4 6 9 1 4 6 10 1 4 6 11 1 4 6 12 1 4 6 13 1 4 7 7 1 4 7 8 1 4 7 9 1 4 7 11 1 4 7 12 1 4 7 13 1 4 8 8 1 4 8 9 1 4 8 11 1 4 8 12 1 4 8 13 1 4 9 10 1 4 9 11 1 4 9 12 1 4 9 13 1 4 10 10 1 4 10 11 1 4 10 12 1 4 12 12 1 5 5 5 1 5 5 6 1 5 5 9 1 5 5 10 1 5 5 11 1 5 5 12 1 5 5 13 1 5 6 6 1 5 6 7 1 5 6 8 1 5 6 9 1 5 6 10 1 5 6 11 1 5 6 12 1 5 6 13 1 5 7 8 1 5 7 9 1 5 7 10 1 5 7 11 1 5 7 12 1 5 7 13 1 5 8 8 1 5 8 9 1 5 8 10 1 5 8 11 1 5 8 12 1 5 8 13 1 5 9 9 1 5 9 10 1 5 9 11 1 5 9 12 1 5 9 13 1 5 10 10 1 5 10 11 1 5 10 12 1 5 10 13 1 5 11 11 1 5 11 12 1 5 12 12 1 6 6 6 1 6 6 8 1 6 6 9 1 6 6 10 1 6 6 11 1 6 6 12 1 6 6 13 1 6 7 9 1 6 7 10 1 6 7 11 1 6 7 12 1 6 8 8 1 6 8 9 1 6 8 10 1 6 8 11 1 6 8 12 1 6 8 13 1 6 9 9 1 6 9 10 1 6 9 12 1 6 9 13 1 6 10 12 1 6 10 13 1 6 11 12 1 6 11 13 1 6 12 12 1 6 12 13 1 7 7 9 1 7 7 10 1 7 7 11 1 7 7 12 1 7 8 8 1 7 8 9 1 7 8 10 1 7 8 11 1 7 8 12 1 7 9 9 1 7 9 10 1 7 9 11 1 7 9 12 1 7 9 13 1 7 10 12 1 7 10 13 1 7 12 12 1 7 12 13 1 7 13 13 1 8 8 8 1 8 8 9 1 8 8 10 1 8 8 11 1 8 8 12 1 8 9 11 1 8 9 12 1 8 9 13 1 8 10 11 1 8 10 12 1 8 10 13 1 8 11 12 1 8 11 13 1 8 12 12 1 9 9 12 1 9 10 12 1 9 10 13 1 9 11 11 1 9 11 12 1 9 11 13 1 9 12 12 1 10 10 12 1 10 11 12 1 10 12 12 1 10 12 13 1 11 11 12 1 11 11 13 1 11 12 12 1 11 12 13 1 11 13 13 1 12 12 12 1 12 12 13 1 12 13 13 2 2 2 3 2 2 2 4 2 2 2 5 2 2 2 7 2 2 2 8 2 2 2 9 2 2 2 10 2 2 2 11 2 2 2 12 2 2 2 13 2 2 3 3 2 2 3 4 2 2 3 5 2 2 3 6 2 2 3 7 2 2 3 8 2 2 3 9 2 2 3 10 2 2 3 11 2 2 3 12 2 2 3 13 2 2 4 4 2 2 4 5 2 2 4 6 2 2 4 7 2 2 4 8 2 2 4 9 2 2 4 10 2 2 4 11 2 2 4 12 2 2 4 13 2 2 5 5 2 2 5 6 2 2 5 7 2 2 5 8 2 2 5 9 2 2 5 10 2 2 5 11 2 2 5 12 2 2 6 6 2 2 6 7 2 2 6 8 2 2 6 9 2 2 6 10 2 2 6 11 2 2 6 12 2 2 6 13 2 2 7 7 2 2 7 8 2 2 7 10 2 2 7 12 2 2 7 13 2 2 8 8 2 2 8 9 2 2 8 10 2 2 8 12 2 2 9 10 2 2 9 11 2 2 9 12 2 2 10 10 2 2 10 11 2 2 10 13 2 2 11 11 2 2 11 12 2 2 11 13 2 2 12 12 2 2 12 13 2 2 13 13 2 3 3 3 2 3 3 5 2 3 3 6 2 3 3 7 2 3 3 8 2 3 3 9 2 3 3 10 2 3 3 11 2 3 3 12 2 3 3 13 2 3 4 4 2 3 4 5 2 3 4 6 2 3 4 7 2 3 4 8 2 3 4 9 2 3 4 10 2 3 4 11 2 3 4 12 2 3 4 13 2 3 5 5 2 3 5 6 2 3 5 7 2 3 5 8 2 3 5 9 2 3 5 10 2 3 5 11 2 3 5 12 2 3 5 13 2 3 6 6 2 3 6 7 2 3 6 8 2 3 6 9 2 3 6 10 2 3 6 11 2 3 6 12 2 3 6 13 2 3 7 7 2 3 7 8 2 3 7 9 2 3 7 10 2 3 7 11 2 3 7 12 2 3 7 13 2 3 8 8 2 3 8 9 2 3 8 10 2 3 8 11 2 3 8 12 2 3 8 13 2 3 9 9 2 3 9 10 2 3 9 12 2 3 9 13 2 3 10 10 2 3 10 12 2 3 10 13 2 3 11 11 2 3 11 12 2 3 11 13 2 3 12 12 2 3 12 13 2 3 13 13 2 4 4 4 2 4 4 5 2 4 4 6 2 4 4 7 2 4 4 8 2 4 4 9 2 4 4 10 2 4 4 11 2 4 4 12 2 4 4 13 2 4 5 5 2 4 5 6 2 4 5 7 2 4 5 8 2 4 5 9 2 4 5 10 2 4 5 11 2 4 5 12 2 4 5 13 2 4 6 6 2 4 6 7 2 4 6 8 2 4 6 9 2 4 6 10 2 4 6 11 2 4 6 12 2 4 6 13 2 4 7 7 2 4 7 8 2 4 7 9 2 4 7 10 2 4 7 11 2 4 7 12 2 4 8 8 2 4 8 9 2 4 8 10 2 4 8 11 2 4 8 12 2 4 8 13 2 4 9 9 2 4 9 10 2 4 9 12 2 4 9 13 2 4 10 10 2 4 10 11 2 4 10 12 2 4 10 13 2 4 11 11 2 4 11 12 2 4 12 12 2 4 13 13 2 5 5 7 2 5 5 8 2 5 5 9 2 5 5 10 2 5 5 11 2 5 5 12 2 5 5 13 2 5 6 6 2 5 6 7 2 5 6 8 2 5 6 9 2 5 6 10 2 5 6 11 2 5 6 12 2 5 6 13 2 5 7 7 2 5 7 8 2 5 7 9 2 5 7 10 2 5 7 11 2 5 7 13 2 5 8 8 2 5 8 9 2 5 8 10 2 5 8 11 2 5 8 12 2 5 8 13 2 5 9 10 2 5 9 11 2 5 9 12 2 5 10 10 2 5 10 11 2 5 10 12 2 5 10 13 2 5 11 12 2 5 12 12 2 5 12 13 2 6 6 6 2 6 6 7 2 6 6 8 2 6 6 9 2 6 6 10 2 6 6 11 2 6 6 12 2 6 6 13 2 6 7 8 2 6 7 9 2 6 7 10 2 6 7 11 2 6 7 12 2 6 7 13 2 6 8 8 2 6 8 9 2 6 8 10 2 6 8 11 2 6 8 12 2 6 8 13 2 6 9 9 2 6 9 10 2 6 9 11 2 6 9 12 2 6 10 10 2 6 10 11 2 6 10 12 2 6 10 13 2 6 11 12 2 6 11 13 2 6 12 12 2 6 12 13 2 7 7 8 2 7 7 10 2 7 7 11 2 7 7 12 2 7 7 13 2 7 8 8 2 7 8 9 2 7 8 11 2 7 8 12 2 7 8 13 2 7 9 10 2 7 9 11 2 7 9 13 2 7 10 10 2 7 10 11 2 7 10 12 2 7 11 12 2 7 12 12 2 7 12 13 2 8 8 8 2 8 8 9 2 8 8 10 2 8 8 11 2 8 8 12 2 8 8 13 2 8 9 9 2 8 9 10 2 8 9 11 2 8 9 12 2 8 9 13 2 8 10 10 2 8 10 11 2 8 10 12 2 8 10 13 2 8 11 11 2 8 11 12 2 8 12 12 2 8 12 13 2 8 13 13 2 9 9 11 2 9 9 12 2 9 9 13 2 9 10 10 2 9 10 11 2 9 10 12 2 9 10 13 2 9 11 11 2 9 11 13 2 9 12 13 2 9 13 13 2 10 10 11 2 10 10 12 2 10 10 13 2 10 11 11 2 10 11 12 2 10 11 13 2 10 12 13 2 11 11 11 2 11 11 12 2 11 11 13 2 11 12 12 2 11 12 13 2 11 13 13 2 12 12 12 2 12 12 13 2 12 13 13 2 13 13 13 3 3 3 3 3 3 3 4 3 3 3 5 3 3 3 6 3 3 3 7 3 3 3 8 3 3 3 9 3 3 3 10 3 3 3 11 3 3 3 12 3 3 4 4 3 3 4 5 3 3 4 6 3 3 4 7 3 3 4 8 3 3 4 9 3 3 4 11 3 3 4 12 3 3 4 13 3 3 5 5 3 3 5 6 3 3 5 7 3 3 5 9 3 3 5 10 3 3 5 12 3 3 5 13 3 3 6 6 3 3 6 7 3 3 6 8 3 3 6 9 3 3 6 10 3 3 6 11 3 3 6 12 3 3 6 13 3 3 7 7 3 3 7 8 3 3 7 9 3 3 7 11 3 3 7 12 3 3 7 13 3 3 8 8 3 3 8 9 3 3 8 10 3 3 8 12 3 3 8 13 3 3 9 9 3 3 9 10 3 3 9 11 3 3 9 12 3 3 9 13 3 3 10 13 3 3 11 12 3 3 11 13 3 3 12 12 3 3 12 13 3 4 4 4 3 4 4 5 3 4 4 6 3 4 4 7 3 4 4 8 3 4 4 9 3 4 4 10 3 4 4 11 3 4 4 12 3 4 4 13 3 4 5 5 3 4 5 6 3 4 5 7 3 4 5 8 3 4 5 9 3 4 5 10 3 4 5 11 3 4 5 12 3 4 5 13 3 4 6 6 3 4 6 8 3 4 6 9 3 4 6 10 3 4 6 11 3 4 6 12 3 4 6 13 3 4 7 7 3 4 7 8 3 4 7 9 3 4 7 10 3 4 7 11 3 4 7 12 3 4 8 9 3 4 8 10 3 4 8 11 3 4 8 12 3 4 8 13 3 4 9 9 3 4 9 11 3 4 9 12 3 4 9 13 3 4 10 10 3 4 10 12 3 4 10 13 3 4 11 12 3 4 11 13 3 4 12 12 3 4 12 13 3 5 5 6 3 5 5 7 3 5 5 8 3 5 5 9 3 5 5 11 3 5 5 12 3 5 6 6 3 5 6 7 3 5 6 8 3 5 6 9 3 5 6 10 3 5 6 11 3 5 6 12 3 5 6 13 3 5 7 8 3 5 7 9 3 5 7 10 3 5 7 11 3 5 7 12 3 5 7 13 3 5 8 8 3 5 8 9 3 5 8 11 3 5 8 12 3 5 8 13 3 5 9 9 3 5 9 10 3 5 9 12 3 5 9 13 3 5 10 10 3 5 10 11 3 5 10 12 3 5 10 13 3 5 11 11 3 5 11 12 3 5 12 12 3 5 12 13 3 5 13 13 3 6 6 6 3 6 6 7 3 6 6 8 3 6 6 9 3 6 6 10 3 6 6 11 3 6 6 12 3 6 6 13 3 6 7 7 3 6 7 8 3 6 7 9 3 6 7 10 3 6 7 12 3 6 7 13 3 6 8 8 3 6 8 9 3 6 8 10 3 6 8 12 3 6 8 13 3 6 9 9 3 6 9 10 3 6 9 11 3 6 9 12 3 6 9 13 3 6 10 10 3 6 10 11 3 6 10 12 3 6 11 11 3 6 11 12 3 6 11 13 3 6 12 12 3 6 12 13 3 6 13 13 3 7 7 7 3 7 7 8 3 7 7 9 3 7 7 10 3 7 7 12 3 7 7 13 3 7 8 8 3 7 8 9 3 7 8 11 3 7 8 12 3 7 8 13 3 7 9 9 3 7 9 10 3 7 9 11 3 7 9 12 3 7 9 13 3 7 10 10 3 7 10 11 3 7 10 13 3 7 11 11 3 7 11 12 3 7 12 12 3 7 12 13 3 7 13 13 3 8 8 8 3 8 8 9 3 8 8 10 3 8 8 11 3 8 8 12 3 8 9 9 3 8 9 10 3 8 9 11 3 8 9 12 3 8 9 13 3 8 10 10 3 8 10 11 3 8 10 12 3 8 11 11 3 8 11 12 3 8 12 12 3 8 12 13 3 8 13 13 3 9 9 9 3 9 9 10 3 9 9 11 3 9 9 12 3 9 9 13 3 9 10 10 3 9 10 11 3 9 10 12 3 9 10 13 3 9 11 11 3 9 11 12 3 9 11 13 3 9 12 12 3 9 12 13 3 9 13 13 3 10 10 12 3 10 11 12 3 10 11 13 3 11 11 12 3 11 12 12 3 12 12 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Explain JSON Web Tokens (JWT) and their use case in PHP APIs.
Apr 05, 2025 am 12:04 AM
JWT is an open standard based on JSON, used to securely transmit information between parties, mainly for identity authentication and information exchange. 1. JWT consists of three parts: Header, Payload and Signature. 2. The working principle of JWT includes three steps: generating JWT, verifying JWT and parsing Payload. 3. When using JWT for authentication in PHP, JWT can be generated and verified, and user role and permission information can be included in advanced usage. 4. Common errors include signature verification failure, token expiration, and payload oversized. Debugging skills include using debugging tools and logging. 5. Performance optimization and best practices include using appropriate signature algorithms, setting validity periods reasonably,
Explain late static binding in PHP (static::).
Apr 03, 2025 am 12:04 AM
Static binding (static::) implements late static binding (LSB) in PHP, allowing calling classes to be referenced in static contexts rather than defining classes. 1) The parsing process is performed at runtime, 2) Look up the call class in the inheritance relationship, 3) It may bring performance overhead.
What are PHP magic methods (__construct, __destruct, __call, __get, __set, etc.) and provide use cases?
Apr 03, 2025 am 12:03 AM
What are the magic methods of PHP? PHP's magic methods include: 1.\_\_construct, used to initialize objects; 2.\_\_destruct, used to clean up resources; 3.\_\_call, handle non-existent method calls; 4.\_\_get, implement dynamic attribute access; 5.\_\_set, implement dynamic attribute settings. These methods are automatically called in certain situations, improving code flexibility and efficiency.
Explain the match expression (PHP 8 ) and how it differs from switch.
Apr 06, 2025 am 12:03 AM
In PHP8, match expressions are a new control structure that returns different results based on the value of the expression. 1) It is similar to a switch statement, but returns a value instead of an execution statement block. 2) The match expression is strictly compared (===), which improves security. 3) It avoids possible break omissions in switch statements and enhances the simplicity and readability of the code.
What is Cross-Site Request Forgery (CSRF) and how do you implement CSRF protection in PHP?
Apr 07, 2025 am 12:02 AM
In PHP, you can effectively prevent CSRF attacks by using unpredictable tokens. Specific methods include: 1. Generate and embed CSRF tokens in the form; 2. Verify the validity of the token when processing the request.
The difference between H5 and mini-programs and APPs
Apr 06, 2025 am 10:42 AM
H5. The main difference between mini programs and APP is: technical architecture: H5 is based on web technology, and mini programs and APP are independent applications. Experience and functions: H5 is light and easy to use, with limited functions; mini programs are lightweight and have good interactiveness; APPs are powerful and have smooth experience. Compatibility: H5 is cross-platform compatible, applets and APPs are restricted by the platform. Development cost: H5 has low development cost, medium mini programs, and highest APP. Applicable scenarios: H5 is suitable for information display, applets are suitable for lightweight applications, and APPs are suitable for complex functions.
Explain strict types (declare(strict_types=1);) in PHP.
Apr 07, 2025 am 12:05 AM
Strict types in PHP are enabled by adding declare(strict_types=1); at the top of the file. 1) It forces type checking of function parameters and return values to prevent implicit type conversion. 2) Using strict types can improve the reliability and predictability of the code, reduce bugs, and improve maintainability and readability.
What should I do if the company's security software conflicts with applications? How to troubleshoot HUES security software causes common software to fail to open?
Apr 01, 2025 pm 10:48 PM
Compatibility issues and troubleshooting methods for company security software and application. Many companies will install security software in order to ensure intranet security. However, security software sometimes...
