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PHP DirectoryIterator next () Function

Syntax:
void DirectoryIterator::next (void)
Parameters:This function takes no parameters.Returned value:This function does not return any value.The following programs illustrate the DirectoryIterator function::next() in PHP:Program 1:  
// Create an Iterator directory $directory = new DirectoryIterator (dirname ( __ FILE__ ));  
// Loop while the directory is valid while ( $directory -> valid()) { // Check directory if ( $directory -> isDir()) { / / Show key and file name echo $directory -> key(). "= >" . $directory -> getFilename(). "
"
; } // Move to next item $directory -> next(); }  
?>
Output:
0 = > ... 1 = > .. 4 = > dashboard 8 = > img 11 = > webalizer 12 = > xampp
Program 2:  
// Create an Iterator directory $directory = new DirectoryIterator (dirname ( __ FILE__ ));  
// Loop while the directory is valid while ( $directory -> valid()) { // Check the file element if ( $directory -> isFile()) { // Show filename echo $directory -> getFilename(). "
"
; } // Move to next item $directory -> next(); }  
?>
Output:
applications.html bitnami.css favicon.ico engineer.PNG gfg.php index.php Sublime Text Build 3211 x64 Setup.exe
Note . The output of this function depends on the contents of the server folder.Link: https : //www.php.net/manual/en/directoryiterator.next.php

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