10 recommended articles about uploading files

When uploading files, you need to specify the upload file path. However, if you face different files uploaded by a large number of users, it is inevitable that there will be the possibility of duplicate names. This will cause file replacement, resulting in file loss, so the upload file Name redefinition is very important. This chapter will take you through it. How to define the name of the uploaded file? First, we intercept the name of the uploaded file through the strstr() function and obtain the suffix of the uploaded file. Then obtain the current timestamp of the system through the time() function, redefine the name of the uploaded file, and use the move_uploaded_file() function to upload the file. Before performing file upload, in order to prevent potential attacks and illegal management of files that cannot be interacted with through scripts, the is_uploaded_file() function should be used to determine whether the specified file was uploaded through HTTP POST. If so, return a true. The is_uploaded_file() function is_uploaded_file() function determines whether the specified file is uploaded through HTTP POST. Its syntax is as follows: is_uploaded

1. 10 recommended articles about the strstr() function

Introduction: When uploading files, you need to specify the upload file path. However, if you face different files uploaded by a large number of users, it is inevitable that there will be the possibility of duplicate names, which will cause file Replacement, resulting in file loss, so it is very important to redefine the name of the uploaded file. This chapter will take you through it. How to define the name of the uploaded file? First, we intercept the name of the uploaded file through the strstr() function and obtain the suffix of the uploaded file. Then obtain the current timestamp of the system through the time() function, redefine the name of the uploaded file and use move_uploaded...

2. 10 course recommendations on setting skills

Introduction: This article mainly introduces the folder permission setting skills of the Win2008 R2 WEB Server Security Settings Guide Friends in need can refer to improving the security of the site by controlling folder permissions. This article's permission settings include two aspects, one is the permissions of the system directory and drive letter, and the other is the permission settings of the application's upload folder. Make sure all drive letters in the system directory are in NTFS format. If not, you can use the command convert d:/fs:ntfs to convert to NTFS format. All disk root directories are only for system and admini...

3. Detailed introduction to collection and organization

Introduction: PHP configured with IIS under Windows cannot upload files, which has always been a confusing point for many netizens. I have collected and sorted it out, hoping to help you continue the "Windows Server In 2003, the article "Configuring PHP with IIS" showed that the server was running normally using Apache2+PHP. When it was replaced with IIS+PHP, the problem that the environment variables of php.ini could not be read and the verification code in PHP could not be displayed appeared. Now some people reported that they could not upload. Picture problem. The process of replacing Apache2 from IIS is just to open I...

4. Recommended articles about the php ftp_put() function

Introduction: #chown -R www-data.www-data /var/www/tmp/#chmod -R 777 /var/www/ tmp/copy the code and upload it again, successfully. At this point, the problem of not being able to upload files using ftp_put in PHP has been solved. The key point of this issue: permissions must be given to the temporary upload directory.

5. 6 recommended articles about ftp_get

##Introduction: This article summarizes several ways to use the ftp function in php to upload files through FTP. Friends who need to learn can refer to it.  The ftp_get() function downloads a file from an FTP server. Returns true if successful, false if failed. Syntax ftp_get(ftp_connection,local,remote,mode,resume) The ftp_connect() function establishes a new FTP connection. ...

6. Recommended articles about the php ftp_get() function

Introduction: This article summarizes several ways to use the ftp function in php to upload files through FTP. Friends who need to learn can refer to it. .  The ftp_get() function downloads a file from an FTP server. Returns true if successful, false if failed. Syntax ftp_get(ftp_connection,local,remote,mode,resume) The ftp_connect() function establishes a new FTP connection. If successful, return...

7. Recommended 10 articles about the php move_uploaded_file() function

Introduction: Uploading files is a very common function in PHP development, and it is also very common in daily development. The function of uploading files in PHP is better than other functions. The language is much simpler. This section introduces the file upload function and multi-file upload! So in the previous article "php file upload - configure php.inn file and predefined variables $_FILES" we introduced the configuration of php.ini file for file upload. This is a necessary step for file upload and an introduction to predefined variables. Friends who haven't read it yet can read it in detail and have a certain understanding of reading the following articles...

8. 10 recommended articles about redefinition

Introduction: When uploading files, you need to specify the upload file path. However, if you face a large number of users uploading different Files will inevitably have the same name, which will result in file replacement and file loss, so it is very important to redefine the name of the uploaded file. This chapter will take you through it. How to define the name of the uploaded file? First, we intercept the name of the uploaded file through the strstr() function and obtain the suffix of the uploaded file. Then get the current timestamp of the system through the time() function, redefine the name of the uploaded file and use move_uploaded...

##9. Detailed introduction to RAR files

Introduction: How to create a compressed RAR file in PHP? On websites, most uploaded files exist in the form of compressed packages, so we must first compress the uploaded files before they can be uploaded. So how do we implement the automatic compression function of uploaded files on the website? Let me introduce it to you in detail today! File compression mainly uses PHP's predefined class com, uses the wscrip.shell object as a parameter of the com class, and finally achieves file compression by calling the run() method of the com class. The com class provides a way to integrate COM components into...

10. 10 recommended articles about php uploading files

Introduction: This article mainly introduces the folder permission setting skills of the Win2008 R2 WEB Server Security Settings Guide. Friends in need can refer to the control file folder permissions to improve site security. This article's permission settings include two aspects, one is the permissions of the system directory and drive letter, and the other is the permission settings of the application's upload folder. Make sure all drive letters in the system directory are in NTFS format. If not, you can use the command convert d:/fs:ntfs to convert to NTFS format. All disk root directories are only for system and admini...

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