Tag: file_exists

How to Return an XML response PHP Code Examples: SimpleXML

How to Return XML Response in PHP Code Example There are 2 options you can use to return an XML response in PHP. First, you want to make sure that you set appropriate headers. Secondly, you can use the file_get_contents function or the SimpleXML PHP class. We recommend the SimpleXML class when possible. Sample XML Response in PHP Code Snippet header("Access-Control-Allow-Origin: *"); header("Content-Type: text/xml; charset=UTF-8"); if(file_exists('courses.xml')) { $courses = file_get_contents('courses.xml'); echo $courses; } else { echo "<?xml version=\"1.0\"?><Error>404 - File not found!</Error>"; } There are 2 keys to returning XML responses in PHP. First, you need to have a valid XML string. Secondly, you need to make sure that you have the proper headers set. It is the headers that tell your response client (browser, API, etc) that they should expect XML data. Relevant Content: HTTP Server - Request & Response In a client-server architecture, a client sends a request…

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How to Delete a File in PHP if it Exists with Code Examples in 2023

Delete a File in PHP
Delete a File in PHP if it Exists Code Example This article explains how to delete a file in PHP if it exists. It features the PHP unlink function for deleting an existing file in PHP. <?php $filename = 'virtual.txt'; if(file_exists($filename)) { $status = unlink($filename) ? 'The file '.$filename.' has been deleted' : 'Error deleting '.$filename; echo $status; } else { echo 'The file '.$filename.' doesnot exist'; } //Output //The file virtual.txt doesnot exist ?> If you’re not familiar with file operations in PHP, check out how to read and write files in PHP. This article focuses on delete file PHP. Let’s jump straight to the subject.  Delete a File in PHP - A Graphical Overview The program for deleting a file in PHP is quite straightforward. PHP function unlink helps is removing a file. It expects a string argument as the file path. The function returns true on success…

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