Hongmu Notes
Is there any alternative to the ZipArchive class in PHP?

Is there any alternative to the ZipArchive class in PHP? Summary of pitfalls

In PHP, the ZipArchive class is a very convenient way to create, read, and extract ZIP files. If you want to use similar functionality but don't want to rely on the ZipArchive class, there are several alternative methods available, depending on your requirements. Here are some of the available alternatives: PclZip – PclZip is a PHP-based ZIP archiving library that allows you to easily create, read...
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Fatal error: Call to undefined method ZipArchive::setOptions() – Solution!

Fatal error: Call to undefined method ZipArchive::setOptions() – Solution! Summary of pitfalls

This error usually occurs because your PHP version does not support the ZipArchive::setOptions() method. This method was introduced in PHP 5.6.0 and later versions; if your PHP version is below 5.6.0, you cannot use this method. To resolve this issue, you can consider one of the following two approaches: Upgrade your PHP version: If your PHP version is below 5.6.0, you can...
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How to check if ZipArchive is installed in your PHP environment?

How to check if ZipArchive is installed in your PHP environment? Summary of pitfalls

To check whether the ZipArchive extension is installed in PHP, follow these steps: Create a PHP file and copy and paste the following code into the file: <?php phpinfo();?> Run this PHP script; if you search for "zip" on the search page, you should see information similar to the following: Zip> enabled Zip versio...
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Fatal error: Call to undefined method ZipArchive::setOptions() in /www/wwwroot/test.4s5.cn/1.php on line 37

Fatal error: Call to undefined method ZipArchive::setOptions() in /www/wwwroot/test.4s5.cn/1.php on line 37 Summary of pitfalls

This error occurs because your PHP code uses the ZipArchive::setOptions() method, but your PHP version does not support this method or the Zip extension is not properly installed. The ZipArchive::setOptions() method is a method of the ZipArchive class used to configure options for ZIP files. This method was introduced in PHP 5.3.0 and later versions...
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PHP script for remotely downloading a ZIP file, extracting it, and overwriting files into a specified directory; if the specified directory does not exist, it will be created; if the directory already exists, it will be emptied. The extracted ZIP file contains files with Chinese filenames.

PHP script for remotely downloading a ZIP file, extracting it, and overwriting files into a specified directory; if the specified directory does not exist, it will be created; if the directory already exists, it will be emptied. The extracted ZIP file contains files with Chinese filenames. Language Notes PHP

This PHP script allows for the remote download and extraction of a ZIP file, overwriting files in a specified directory; if the specified directory does not exist, it will be created; if the directory already exists, it will be emptied. The extracted ZIP file contains files with Chinese filenames. I previously wrote an article titled "PHP Remote Download and Extraction of a ZIP File, Overwriting Files in a Specified Directory" – you may refer to it for guidance. However, after implementing this code, I encountered an issue: specifically, an error is thrown if the target directory does not exist! During extraction...
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PHP-based archive extraction/compression tool; the archive contains a file with a Chinese name – why does an error occur after extraction?

PHP-based archive extraction/compression tool; the archive contains a file with a Chinese name – why does an error occur after extraction? Summary of pitfalls

If the file name within a compressed archive contains Chinese characters, the archive may contain corrupted text or fail to decompress properly. This occurs when the encoding used for the file names in the archive does not match the encoding used by the decompression program. Typically, the file names in a compressed archive are encoded using the operating system's default encoding, whereas the decompression program may use a different encoding scheme. When the file name contains non-ASCII characters (e.g., Chinese characters)...
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Check whether the directory exists; if it does, delete all files within the directory; if it does not, create the directory.

Check whether the directory exists; if it does, delete all files within the directory; if it does not, create the directory. Language Notes PHP

You can use PHP's built-in functions `file_exists()` and `is_dir()` to check whether a directory exists. If the directory exists, you can use the `glob()` function to retrieve all files within it and then use the `unlink()` function to delete them. If the directory does not exist, you can use the `mkdir()` function to create it. Here is an example code that implements the above functionality: $d...
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PHP executes multiple sql statements at once

PHP executes multiple sql statements at once Language Notes PHP PHP and mysql

In PHP, you can execute multiple SQL statements at once through the mysqli_multi_query() function. The following is a sample code: &lt;?php // Define MySQL database connection parameters $host = "localhost"; $user = "root"; $password = "password";…
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PHP executes the specified sql statement

PHP executes the specified sql statement Language Notes PHP PHP and mysql

This function is mainly used to execute sql statements and return success or failure! 🔒 Hidden content: viewable after logging in/** * Execute the specified SQL statement * * @param string $sql SQL statement to be executed * @param string $db_host database host name * @param string $db_user database…
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PHP batch deletes data tables with specified prefix

PHP batch deletes data tables with specified prefix Language Notes PHP PHP and mysql

In PHP, you can use the SHOW TABLES command of the MySQL database to obtain the names of all data tables in the current database, and then use the DROP TABLE command to delete data tables with a specified prefix in batches. The following is a simple PHP function for batch deleting data tables with specified prefixes: function deleteTables($prefix) { /…
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