1.求个PHP网页源代码
2.ThinkPHP5.1 源码分析（四）- 门面Facade
3.帮我分析下这个php文件里的码题目源码是什么意思
求个PHP网页源代码
下面是一个远程修改ftp密码的php程序，你交上去，码题目一定非常好。码题目
不仅包含有html知识，码题目尚课吧源码也有js验证，码题目还有php知识。码题目如果你今后做网站，码题目这个程序对你也非常实用。码题目
<?码题目PHP
if($_POST['servername']){
function jsalert($w)
{
echo '<script language="javascript">alert("'.$w.'");'."\r\n";
echo 'window.history.go(-1)';
echo '</script>';
}
if(!$_POST['UserName']){ jsalert('Username error');exit;}
if(!($fp=@ftp_connect($_POST['servername'])))
{
jsalert( $_POST['servername'].'server can not connect！');
exit();
}
if(!@ftp_login($fp,码题目$_POST['UserName'],$_POST['OldPassWord']))
{
jsalert('Sorry, you entered an incorrect username or password!');
exit();
}
if(@ftp_site($fp,'pswd '.$_POST['OldPassWord'].' '.$_POST['NewPassWord']))
{
jsalert('OK, the password has been successfully changed.');
exit;
}
else
{
jsalert('Failure, may be the FTP server does not support the change。');
exit;
}
}
else{
><html>
<head>
<title>FTP password online tools to change</title>
<script language="JavaScript">
function is_kuho_password(password){
var pattern = /^([a-zA-Z0-9])+$/;
var flag= pattern.test(password);
if(!flag){ return false;}
return true;
}
function passchange(){
var servername = document.passwdchange.servername.value;
var UserName = document.passwdchange.UserName.value;
var OldPassWord = document.passwdchange.OldPassWord.value;
var NewPassWord = document.passwdchange.NewPassWord.value;
var NewPassWord1 = document.passwdchange.NewPassWord1.value;
if(!servername){
alert('Please input domain name or ip');
document.passwdchange.servername.focus();
document.passwdchange.servername.value='';
return false;
}
if(!UserName){
alert('Please input user name');
document.passwdchange.UserName.focus();
document.passwdchange.UserName.value='';
return false;
}
//check PassWord
if(!OldPassWord){
alert('Please input password');
document.passwdchange.OldPassWord.focus();
document.passwdchange.OldPassWord.value='';
return false;
}
if(!NewPassWord){
alert('Please input new password');
document.passwdchange.NewPassWord1.value='';
document.passwdchange.NewPassWord.focus();
document.passwdchange.NewPassWord.value='';
return false;
}
if(!is_kuho_password(NewPassWord)){
alert('Sorry! You do not regulate the new password! Please enter from the 6- letters or numbers in Password!');
document.passwdchange.NewPassWord1.value='';
document.passwdchange.NewPassWord.focus();
document.passwdchange.NewPassWord.value='';
return false;
}
if(NewPassWord.length < 6 || NewPassWord.length > ){
alert('You enter a new password length is 码题目广东到香港源码not in line with the norms, enter the password 6- bit!');
document.passwdchange.NewPassWord1.value='';
document.passwdchange.NewPassWord.focus();
document.passwdchange.NewPassWord.value='';
return false;
}
if(!NewPassWord1){
alert('Make sure your new password!');
document.passwdchange.NewPassWord1.focus();
document.passwdchange.NewPassWord1.value='';
return false;
}
if(!is_kuho_password(NewPassWord1)){
alert('Sorry! You do not regulate the new password! Please enter from the 6- letters or numbers in Password!');
document.passwdchange.NewPassWord1.focus();
document.passwdchange.NewPassWord1.value='';
return false;
}
if( NewPassWord1.length < 6 || NewPassWord1.length > ){
alert('Sorry! You do not regulate the new password! Please enter from the 6- letters or numbers in Password!');
document.passwdchange.NewPassWord1.focus();
document.passwdchange.NewPassWord1.value='';
return false;
}
if(NewPassWord != NewPassWord1){
alert('You enter the new password twice inconsistent, please re-enter after the check!');
document.passwdchange.NewPassWord1.value='';
document.passwdchange.NewPassWord.focus();
document.passwdchange.NewPassWord.value='';
return false;
}
if(NewPassWord == OldPassWord){
alert('The new password and the old password, no need to change!');
document.passwdchange.NewPassWord1.value='';
document.passwdchange.NewPassWord.focus();
document.passwdchange.NewPassWord.value='';
return false;
}
document.passwdchange.Submit.value="Being change...";
document.passwdchange.Submit.disabled=true;
}
</SCRIPT>
</head>
<body>
<div align="center">
<center>
<TABLE cellSpacing=1 cellPadding=8 width="" bgColor=# border=0>
<FORM name=passwdchange target="_self" action=<?php echo $_SERVER['PHP_SELF']; ?> onsubmit="return passchange()" method=post>
<TBODY>
<tr>
<TD align=center bgColor=#FFFFFF colspan="2"><font color="#FF"><b>
FTP password online tools to change</b></font></TD>
</tr>
<tr>
<TD align=right bgColor=#d6d3d6 width="">Sever name：</TD>
<TD align=left bgColor=#ffffff width=""><INPUT style="BORDER-RIGHT: 1px solid; PADDING-RIGHT: 1px; BORDER-TOP: 1px solid; PADDING-LEFT: 1px; PADDING-BOTTOM: 1px; BORDER-LEFT: 1px solid; COLOR: #; PADDING-TOP: 1px; BORDER-BOTTOM: 1px solid; BACKGROUND-COLOR: #ffffff"
maxLength= name=servername size=""><FONT class=color1> <font color="#FF">
* Domain name or IP address</font></FONT></TD>
</tr>
<TR height=>
<TD align=right bgColor=#d6d3d6 width="">User name：</TD>
<TD align=left bgColor=#ffffff width=""><INPUT
style="BORDER-RIGHT: 1px solid; PADDING-RIGHT: 1px; BORDER-TOP: 1px solid; PADDING-LEFT: 1px; PADDING-BOTTOM: 1px; BORDER-LEFT: 1px solid; COLOR: #; PADDING-TOP: 1px; BORDER-BOTTOM: 1px solid; BACKGROUND-COLOR: #ffffff"
maxLength= name=UserName size=""><FONT class=color1> <font color="#FF">
*</font></FONT></TD></TR>
<TR height=>
<TD align=right bgColor=#d6d3d6 width="">Password：</TD>
<TD align=left bgColor=#ffffff width=""><INPUT
style="BORDER-RIGHT: 1px solid; PADDING-RIGHT: 1px; BORDER-TOP: 1px solid; PADDING-LEFT: 1px; PADDING-BOTTOM: 1px; BORDER-LEFT: 1px solid; COLOR: #; PADDING-TOP: 1px; BORDER-BOTTOM: 1px solid; BACKGROUND-COLOR: #ffffff"
type=password maxLength= name=OldPassWord size=""><FONT
class=color1> <font color="#FF">*</font></FONT></TD></TR>
<TR height=>
<TD align=right bgColor=#d6d3d6 width="">New password：</TD>
<TD align=left bgColor=#ffffff width=""><INPUT
style="BORDER-RIGHT: 1px solid; BORDER-TOP: 1px solid; BORDER-LEFT: 1px solid; COLOR: #; BORDER-BOTTOM: 1px solid; BACKGROUND-COLOR: #ffffff"
type=password maxLength= name=NewPassWord size=""><FONT
class=color1> <font color="#FF">*</font></FONT> (Length:6-bit) </TD></TR>
<TR height=>
<TD align=right bgColor=#d6d3d6 width="">Replay new password：</TD>
<TD align=left bgColor=#ffffff width=""><INPUT
style="BORDER-RIGHT: 1px solid; PADDING-RIGHT: 1px; BORDER-TOP: 1px solid; PADDING-LEFT: 1px; PADDING-BOTTOM: 1px; BORDER-LEFT: 1px solid; COLOR: #; PADDING-TOP: 1px; BORDER-BOTTOM: 1px solid; BACKGROUND-COLOR: #ffffff"
type=password maxLength= name=NewPassWord1 size=""><FONT
class=color1> <font color="#FF">*</font></FONT></TD></TR>
<TR>
<TD class=huangz align=middle bgColor=#ffffff colSpan=2 height= width="">
<p align="center"><INPUT type=submit value=Change name=Submit></p>
</TD></TR></FORM>
</table>
</center>
</div>
</body>
</html>
<?php } ?>
ThinkPHP5.1 源码分析（四）- 门面Facade
门面为容器中的类提供了一个静态调用接口，提升可测试性和扩展性，码题目简化了代码结构。码题目
在`test()`方法中，码题目通过调用`Config::get()`方法获取`'app'`下的码题目所有配置。这里实际上并未直接在`Config`类或其父类`Facade`中调用`get`方法。vue源码是多少而是通过`__callStatic()`函数，创建了`Config`类的一个实例并调用其`get`方法。实例化过程在`createFacade()`方法中完成，该方法返回`'config'`作为实际调用的类名。`__callStatic`和`self::`的英语程序源码大全区别在于前者用于调用静态方法，后者用于访问类内部属性。
测试用例展示了如何自定义门面类的实现。在项目同级目录创建`facade`自定义目录，并在`common`目录中定义`Allen`和`Nikki`类。自定义门面类通过`getFacadeClass()`方法返回类名，labview串口助手源码如`'app\common\Allen'`。通过`bind()`方法可以将别名与类绑定，简化调用。在`provider.php`中定义绑定关系，使得`'allen'`作为别名同样生效。
框架的基础类库之所以能直接返回`config`、`app`等，是因为在容器类实例化类时，已预先定义了这些绑定关系。`provider.php`中的定义在初始化流程中通过`bindTo`方法与容器类属性进行合并，使得调用门面类时能够直接使用。
总结，门面的核心功能在于通过静态调用接口，简化类的调用，提升代码可读性和可维护性。通过容器类的管理，实现了灵活的类实例化和方法调用。自定义门面类和框架内类的调用机制，展示了ThinkPHP5.1源码中门面设计的高效性和灵活性。
帮我分析下这个php文件里的源码是什么意思
<?php
if ($_GET['randomId'] !=//通过get方式获取参数里的‘randomId’的值是
//否为下面那一串字符，不是的话就打印‘access denied’然后退出
"mZ3XAD0phNayYPq_qO1rn5xVrCfz4vblQpbtuaHLlIt1raBKX7hemCzDQvjwHOTS") {
echo "Access Denied";
exit();
}
// display the HTML code:
//通过post方式获取参数wproPreviewHTML的值，并作为函数stripslashes的参数，打印这个函数的返回值
echo stripslashes($_POST['wproPreviewHTML']);
>
