$imageData = file_get_contents(‘path/to/image.jpg’); “` 这里需要将’path/to/image.jpg’替换为实际的图片文件路径。 二、处理字节流获取二进制数据 2. 使用PHP的字符串处理函数(如substr()、bin2hex()等)对字节流进行处理,以获取所需的二进制数据。 示例代码: “` $binaryData = substr($imageDat...
$binary_data = hex2bin($hex_data); // 将二进制字符串转换为ASCII字符串 $ascii_data = unpack(‘H*’, $binary_data)[1]; echo “原始数据:”.$data.”\n”; echo “转换为16进制:”.$hex_data.”\n”; echo “恢复为二进制:”.$binary_data.”\n”; echo “恢复为ASCII:”.$ascii_data...
AI代码解释 functionis_gif($image_file){/* Open the image file in binary mode */if(!$fp=fopen($image_file,'rb'))return0;/* Read 20 bytes from the top of the file */if(!$data=fread($fp,20))return0;/* Create a format specifier */$header_format='A6version';# Get the first6...
phperror_reporting(0);if(empty($_GET['id'])){show_source(__FILE__);die();}else{include('flag.php');$a="www.xxx.com";$id=$_GET['id'];@parse_str($id);if($a[0]!='QNKCDZO'&&md5($a[0])==md5('QNKCDZO')){echo $flag;}else{exit('so easy!');}}?> 绕过 代码语言:...
Integers can be specified in: decimal (base 10), hexadecimal (base 16), octal (base 8), or binary (base 2) notation In the following example$xis an integer. The PHPvar_dump()function returns the data type and value: Example $x=5985;var_dump($x); ...
}$user=newuser();//创建一个对象$user->name ='Aria';$user->age =20;//设置数据$user->printdata();//输出数据echoserialize($user);//输出序列化后的数据?> 输出结果为 User Aria is20yeas old O:4:"user":2:{s:4:"name";s:4:"Aria";s:3:"age";i:20;} ...
28<imgsrc="data:image/gif;base64,<?php echo $photo; ?>"class="img-memeda "style="width:180px;margin:0px auto;"> 29Hi<?phpecho$nickname;?> 30Phone:<?phpecho$phone;?> 31Email:<?phpecho$email;?> 32 33 34 35<?php 36} 37?> 看到涉及了反...
<…the remainder of “B” encoded binary data…> 说明:TYPE知道图像的格式,ENCODING=b表示是二进制的数据流 URI表示是一个外部图像对象 AGENT类型定义 目的:指定另外一个人替换他的个人行为 例子:AGENT;VALUE=uri: CID:JQPUBLIC.part3.960129T083020.邮箱地址 ...
$redis = new Redis([ 'host' => '127.0.0.1', 'port' => 6379, 'connectTimeout' => 2.5, 'auth' => ['phpredis', 'phpredis'], 'database' => 2, 'ssl' => ['verify_peer' => false], 'backoff' => [ 'algorithm' => Redis::BACKOFF_ALGORITHM_DECORRELATED_JITTER, 'base' =>...
geometrySTREAMBinary3 image5Stream2Binary3 intInteger8 位字符1 moneyString8 位字符1 ncharString8 位字符1 numericString8 位字符1 nvarcharString8 位字符1 nvarchar(MAX)Stream28 位字符1 ntext6Stream28 位字符1 realFloat8 位字符1 smalldatetimedatetime8 位字符1 ...