Implement video photography in php
This article mainly introduces the implementation of video photography in php. Friends who are interested can refer to it. I hope it will be helpful to everyone.
Design process: $GLOBALS ['HTTP_RAW_POST_DATA'] transfers the photo data stream (binary) –> Open a blank picture –> Write the data stream into the blank picture – Judgment Is it a valid image—done.
Note that the binary stream that transmits the photo already contains the size, format and other attributes of the photo. In terms of time, it is to transfer the mobile phone picture information to the web page.
Mobile phones generally use flash to cut the size of photos. Everyone knows that pictures and videos are composed of binary streams. Since pictures can be uploaded, can videos be uploaded? Is the principle the same as taking photos with a mobile phone and uploading avatars? You can research it yourself.
The code is as follows
/*
* 上传图片类
* @parameter; 用户ID
* @date：2015-10-08
* @author：cy
* */
function UpImg($subdir){
// 设置存储路径
if(!empty($subdir)){
$dirnow=getcwd();
$folder =$dirnow."/www.php100.com/".$subdir;// folder where to save images
if( !is_dir($folder) ) mkdir($folder);
// 图片命名
$datenow=date('Ymd');
$timenow=time();
$image = $datenow.$timenow.'.jpg';
// 图片是否已存在
$check = $folder . '/' . $image;
if (file_exists($check)) {
unlink($check);
} else {
$png = file_get_contents ( 'php://input' ) ? file_get_contents ( 'php://input' ) : gzuncompress ( $GLOBALS ['HTTP_RAW_POST_DATA'] );//得到post过来的二进制原始数据
if(!empty($png)){
$file = @fopen($folder."/".$image, "w");
fwrite($file,$png);//写入 hzhuti.com
fclose($file);//关闭
// orignal image location
$write_image = $folder . '/' . $image;
}else{
$msg = "没有数据流";
}
if(getimageInfo($write_image)){
$msg = "上传成功";
}else{$msg = "图片格式不正确";}
}
}else{
$msg = "参数错误";
}
return $msg;
}
/*
* 检测图片是否合法
* @parameter; 文件名
* @date：2011-8-15
* @author：cy
* */
function getimageInfo($imageName = '') {
$imageInfo = getimagesize ( $imageName );
if ($imageInfo !== false) {
$imageType = strtolower ( substr ( image_type_to_extension ( $imageInfo [2] ), 1 ) );
// $imageSize = filesize ( $imageInfo );
return $info = array ('width' => $imageInfo [0], 'height' => $imageInfo [1], 'type' => $imageType, 'mine' => $imageInfo ['mine'] );
} else {
//不是 php100.com 合法的图片
return false;
}
}When using xml-rpc, the server side obtains client data, mainly through the php input stream input, rather than the $_POST array
Based on the above detections, we can make the following summary:
1. When the Content-Type value is application/x-www-form-urlencoded, php will fill in the corresponding data of the http request body into Array $_POST, the data filled in the $_POST array is the result of urldecode() analysis. (In fact, in addition to the Content-Type, there is also multipart/form-data indicating that the data is form data, which we will introduce later)
2. php://input data, as long as the Content-Type is not multipart/form-data (This condition will be introduced later). Then php: //input data is consistent with the http entity body part of the data. The length of this partially consistent data is specified by Content-Length.
3. Only when the Content-Type is application/x-www-form-urlencoded and the submission method is the POST method, the $_POST data and the php://input data are "consistent" (with quotes to indicate their formats) Inconsistent, consistent content). Otherwise, they are inconsistent.
4. php://input cannot read $_GET data. This is because the $_GET data is written as query_path in the PATH field of the http request header (header), rather than in the body part of the http request.
This also helps us understand why the xml_rpc server reads data through file_get_contents(‘php://input’, ‘r’). Instead of reading from $_POST, it is precisely because the data specification of xml_rpc is xml and its Content-Type is text/xml.
Rendering:
Summary: The above is the entire content of this article, I hope it will be helpful to everyone’s study .
Related recommendations:
php file upload management system
php idea of implementing email sending
Use PHP's APC module to create an upload progress bar
The above is the detailed content of Implement video photography in php. For more information, please follow other related articles on the PHP Chinese website!
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
1666
14
1425
52
1324
25
1272
29
1251
24
Explain secure password hashing in PHP (e.g., password_hash, password_verify). Why not use MD5 or SHA1?
Apr 17, 2025 am 12:06 AM
In PHP, password_hash and password_verify functions should be used to implement secure password hashing, and MD5 or SHA1 should not be used. 1) password_hash generates a hash containing salt values to enhance security. 2) Password_verify verify password and ensure security by comparing hash values. 3) MD5 and SHA1 are vulnerable and lack salt values, and are not suitable for modern password security.
PHP and Python: Comparing Two Popular Programming Languages
Apr 14, 2025 am 12:13 AM
PHP and Python each have their own advantages, and choose according to project requirements. 1.PHP is suitable for web development, especially for rapid development and maintenance of websites. 2. Python is suitable for data science, machine learning and artificial intelligence, with concise syntax and suitable for beginners.
PHP in Action: Real-World Examples and Applications
Apr 14, 2025 am 12:19 AM
PHP is widely used in e-commerce, content management systems and API development. 1) E-commerce: used for shopping cart function and payment processing. 2) Content management system: used for dynamic content generation and user management. 3) API development: used for RESTful API development and API security. Through performance optimization and best practices, the efficiency and maintainability of PHP applications are improved.
PHP: A Key Language for Web Development
Apr 13, 2025 am 12:08 AM
PHP is a scripting language widely used on the server side, especially suitable for web development. 1.PHP can embed HTML, process HTTP requests and responses, and supports a variety of databases. 2.PHP is used to generate dynamic web content, process form data, access databases, etc., with strong community support and open source resources. 3. PHP is an interpreted language, and the execution process includes lexical analysis, grammatical analysis, compilation and execution. 4.PHP can be combined with MySQL for advanced applications such as user registration systems. 5. When debugging PHP, you can use functions such as error_reporting() and var_dump(). 6. Optimize PHP code to use caching mechanisms, optimize database queries and use built-in functions. 7
The Enduring Relevance of PHP: Is It Still Alive?
Apr 14, 2025 am 12:12 AM
PHP is still dynamic and still occupies an important position in the field of modern programming. 1) PHP's simplicity and powerful community support make it widely used in web development; 2) Its flexibility and stability make it outstanding in handling web forms, database operations and file processing; 3) PHP is constantly evolving and optimizing, suitable for beginners and experienced developers.
How does PHP type hinting work, including scalar types, return types, union types, and nullable types?
Apr 17, 2025 am 12:25 AM
PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.
PHP and Python: Code Examples and Comparison
Apr 15, 2025 am 12:07 AM
PHP and Python have their own advantages and disadvantages, and the choice depends on project needs and personal preferences. 1.PHP is suitable for rapid development and maintenance of large-scale web applications. 2. Python dominates the field of data science and machine learning.
PHP vs. Other Languages: A Comparison
Apr 13, 2025 am 12:19 AM
PHP is suitable for web development, especially in rapid development and processing dynamic content, but is not good at data science and enterprise-level applications. Compared with Python, PHP has more advantages in web development, but is not as good as Python in the field of data science; compared with Java, PHP performs worse in enterprise-level applications, but is more flexible in web development; compared with JavaScript, PHP is more concise in back-end development, but is not as good as JavaScript in front-end development.
