The SplFileInfo::isDir() function is an inbuilt function of Standard PHP Library (SPL) in PHP which is used to check the file is a directory or not.
Syntax:
bool SplFileInfo::isDir( void )
Parameters: This function does not accept any parameter.
Return values: This function returns true if file is a directory otherwise return false.
Below Programs illustrate the SplFileInfo::isDir() function in PHP:
Program 1:
<?php    // PHP Program to illustrate // Splfileinfo::isDir() function    $file = new SplFileInfo(dirname("gfg.txt")); $gfg = $file->isDir();    // Print result var_dump($gfg); echo "</br>";    $file = new SplFileInfo(__FILE__); $gfg = $file->isDir();    // Print result var_dump($gfg);    ?> |
Output:
bool(true) bool(false)
Program 2:
<?php    // PHP program to use array to check // multiple files    $GFG = array (     "/home/rajvir/Desktop/neveropen/dummy.php",     "/home/rajvir/Desktop",     "/var/www/html/",     "frame.php");    foreach ($GFG as &$file_name) {        // Create new SplFile Object     $file = new SplFileInfo($file_name);        $gfg = $file->isDir();        // Print result     var_dump($gfg);     echo "</br>"; } ?> |
Output:
bool(false) bool(true) bool(true) bool(false)
Reference: http://php.net/manual/en/splfileinfo.isdir.php
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