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PHP (Hypertext Preprocessor) is a server-side scripting language particularly suited for web development and can be embedded within HTML. Its syntax is derived from the C language, incorporating features from languages such as Java and Perl to develop its own distinctive grammar; it has also been continuously refined and enhanced based on the strengths of these languages—for example, leveraging Java's object-oriented programming capabilities.

PHP remotely obtains the .sql.zip file and then imports it into the database

PHP remotely obtains the .sql.zip file and then imports it into the database Language Notes PHP PHP and mysql

I have published a similar article before "PHP obtains the remote .sql.zip file, then clears the data, and then imports the .sql.zip into the mysql database", but here is another function that is also available for personal testing! 🔒 Hidden content: members can view /** * Download the ZIP compressed file containing the SQL file from the remote URL, decompress the SQL file to the specified directory, and then import the data to M…
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PHP obtains the remote .sql.zip file, then clears the data, and then imports the .sql.zip into the mysql database

PHP obtains the remote .sql.zip file, then clears the data, and then imports the .sql.zip into the mysql database Language Notes PHP PHP and mysql

You can use PHP's mysqli extension to operate the MySQL database. The following is a sample code to obtain the remote .sql.zip file, then clear the database, and then import the .sql.zip into the mysql database: <?php // Set the MySQL database connection information $host = 'localhost'; $dbname = 'my_database…
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PHP – Delete a specified directory

PHP – Delete a specified directory Language Notes PHP

In PHP, you can use the `rmdir` function to delete a directory. This function removes the specified directory; however, if the directory is not empty, it cannot be deleted directly – the files and subdirectories within it must first be removed. Below is an example of using the `rmdir` function to delete a specified directory: $dir = '/path/to/dir'; // 要删除的目录路径 if (is_dir($dir)) {// If...
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What does the `tempnam` function in PHP do?

What does the `tempnam` function in PHP do? Language Notes PHP

The `tempnam()` function is one of the built-in functions in PHP, used to create a temporary file in a specified directory and return the path name of that file. Its function prototype is as follows: `string tempnam(string $dir , string $prefix)`. Here, the `$dir` parameter specifies the path to the target directory; if not provided, the system's default temporary directory path is used.
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What does the PHP `sys_get_temp_dir` function do?

What does the PHP `sys_get_temp_dir` function do? Language Notes PHP

`sys_get_temp_dir()` is a built-in PHP function used to retrieve the path to the system's temporary directory. On most operating systems, there is a default system temporary directory, which is typically used for storing temporary files, temporary caches, and other temporary data. The `sys_get_temp_dir()` function returns the path to the temporary directory of the current operating system; this allows a program to use this directory for storing temporary files...
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PHP: Remote download of a ZIP file, extract it, and overwrite it into a specified directory.

PHP: Remote download of a ZIP file, extract it, and overwrite it into a specified directory. Language Notes PHP

This feature is commonly used for updating programs – I suppose you know how to use it! It's incredibly practical! PHP implementation code: // URL of the remote ZIP file $zipUrl =' https://example.com/install.zip '; // Target file path $targetPath =' /path/to/install'; // Download the z...
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PHP modifies the configuration in the config file

PHP modifies the configuration in the config file Language Notes PHP PHP collection PHP and mysql

In PHP development websites, configuration files such as config.php generally require users to submit data for saving through the background. At this time, PHP is needed to operate this file! At this time, we need to use PHP to modify this PHP file. For example, the code in my config.php is like this: <?php if(!defined('InEmpireCMS'))…
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PHP regular match all pictures in the article

PHP regular match all pictures in the article Language Notes PHP PHP collection

You can use PHP's regular expression function preg_match_all() to match all image links in the article. The regular expression can be matched according to the format of the image link. Here is an example: function getImagesFromContent($content) { $pattern = '/<img.*?src=[\'…
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PHP function to replace image links in an article with randomly selected links

PHP function to replace image links in an article with randomly selected links Language Notes PHP

A PHP function for matching image links within an article using regular expressions and replacing them with specified image links: `function replaceImageLinks($content, $newImageLink) {// Match the src attribute within <img> tags $pattern = '/<img.*?src="(.*?)".*?>';`
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Use PHP to batch rename files in a folder, starting from number 1 while keeping the file extensions unchanged.

Use PHP to batch rename files in a folder, starting from number 1 while keeping the file extensions unchanged. Language Notes PHP

Function: 🔒 Hidden content: Viewable after logging in – function renameFiles($dir) { // 获取目录下所有文件 $files = glob($dir './'); if (empty($files)) {return;} $i = 1; foreach ($files as $file)...
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