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How to remove path suffix in php

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2023-06-05 13:53:481632browse

php method to remove path suffix: 1. Get the file name in the URL through the "basename()" function and ignore the ".php" suffix, and then use the "dirname()" function to get the directory name of the URL , and finally use the path and file name to construct a new URL; 3. Use regular expressions to remove the path suffix. For some specific situations, the flexibility of regular expressions is more suitable.

How to remove path suffix in php

Operating system for this tutorial: Windows 10 system, php8.1.3 version, Dell G3 computer.

In web development, PHP is often used to handle URL requests. The structure of the URL contains a variety of information, such as paths, query parameters, etc. For paths, sometimes we need to process them, such as removing path suffixes. This article introduces how to use PHP to remove path suffix.

The concepts of URL paths and suffixes

Before introducing the specific operations, let’s briefly introduce the concepts of URL paths and suffixes. The URL path is the part of the URL starting after the domain name and before the query parameters, for example: https://www.example.com/path/to/file.php, where "/path/to/" is the path. The suffix is ​​the extension in the file name. For example, the ".php" in "file.php" is the suffix.

In web development, in order to facilitate management and distinguish different types of resources, different suffixes are usually set for different types of resources. For example, common HTML files have the suffix ".html" or ".htm", CSS files have the suffix ".css", JavaScript files have the suffix ".js", etc. But sometimes, we need to remove these suffixes, for example: we need to convert "https://www.example.com/path/to/file.php" to "https://www.example.com/path/to /file".

php method to remove path suffix

1. Remove the suffix through system function

PHP provides the basename() function It is used to get the file name in the path, and the related dirname() function is used to get the directory name in the path. These two functions can be used to remove suffixes from paths.

Consider the following example:

$url = 'https://www.example.com/path/to/file.php';
$filename = basename($url, '.php');
$path = dirname($url);
 
$newUrl = $path . '/' . $filename;

In this example, we obtain the file name in the URL through the basename() function and ignore the ".php" suffix. Then use the dirname() function to get the directory name of the URL. Finally, construct a new URL using the path and filename.

2. Remove suffixes through regular expressions

Another way to remove path suffixes is to use regular expressions. For some specific situations, the flexibility of regular expressions is more suitable. Here is an example:

$url = 'https://www.example.com/path/to/file.php';

$newUrl = preg_replace('/\.php $/', '', $url);

In this example, we use the preg_replace() function and a regular expression to match the ".php" suffix and replace it with an empty string.

3. Summary

In this article, we introduced two methods to remove suffixes from paths through PHP: using system functions and using regular expressions. Which method to use depends on the situation. If you need to handle different types of resources, it is recommended to use system functions, otherwise using regular expressions is more flexible.

In general, no matter which method is used to remove the path suffix, it can help us better manage Web resources. Through a more friendly expression of the URL, users can also have a better impression of our website and improve the usability, user satisfaction and user experience of the website.

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