PHP | SplFileInfo getExtension() Function

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:

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<?php
  
// PHP Program to illustrate 
// Splfileinfo getExtension function
  
// Create new SPlFileInfo Object
$file = new SplFileInfo("gfg.php");
  
// Print result
echo $file->getExtension();
?>

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Output:

php

Program 2:

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<?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>";
}
?>

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Output:

php
txt
php
c

Reference: http://php.net/manual/en/splfileinfo.getextension.php



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