PHP | SplFileInfo getExtension() Function Last Updated : 11 Jul, 2025 Comments Improve Suggest changes Like Article Like Report The SplFileInfo::getExtension() function is an inbuilt function of Standard PHP Library (SPL) in PHP which is used to get the file extension. Syntax: string SplFileInfo::getExtension( void ) Parameters: This function does not accept any parameter. Return Value: This function returns the string containing the extension of file. Below programs illustrate the SplFileInfo::getExtension function in PHP: Program 1: PHP <?php // PHP Program to illustrate // Splfileinfo getExtension function // Create new SPlFileInfo Object $file = new SplFileInfo("gfg.php"); // Print result echo $file->getExtension(); ?> Output: php Program 2: php <?php // PHP program to use array to check // multiple files $GFG = array( "/home/rajvir/Desktop/GeeksforGeeks/dummy.php", "/home/rajvir/Desktop/gfg.txt", "/var/www/html/gfg.php", "demo.c" ); foreach ($GFG as &$file_name) { // Create new SPlFileInfo Object $file = new SplFileInfo($file_name); // Print result echo $file->getExtension() . "</br>"; } ?> Output: phptxtphpc Reference: https://www.php.net/manual/en/splfileinfo.getextension.php Comment More infoAdvertise with us Next Article PHP Syntax R R_Raj Follow Improve Article Tags : Web Technologies PHP PHP-function PHP-SplFileInfo Similar Reads PHP Tutorial PHP is a popular, open-source scripting language mainly used in web development. It runs on the server side and generates dynamic content that is displayed on a web application. PHP is easy to embed in HTML, and it allows developers to create interactive web pages and handle tasks like database mana 9 min read BasicsPHP SyntaxPHP, a powerful server-side scripting language used in web development. It’s simplicity and ease of use makes it an ideal choice for beginners and experienced developers. This article provides an overview of PHP syntax. 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