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PHP DirectoryIterator __toString () Function

Syntax:
string DirectoryIterator::__ toString (void)
Parameters:This function takes no parameters.Return Value:This function returns the file name of the current DirectoryIterator item.The following programs illustrate PHP DirectoryIterator::__ toString() function:Program 1:  
// Create an Iterator directory $directory = new DirectoryIterator (dirname ( __ FILE__ ));  
// Loop while the catalog item is valid while ( $directory -> valid()) { // Display the file name in string format echo $directory -> __ toString(). "
"
; // Move to next item $directory -> next(); }  
?>
Output:
. .. applications.html bitnami.css dashboard favicon.ico engineer.PNG gfg.php img index.php Sublime Text Build 3211 x64 Setup.exe webalizer xampp
Program 2:  
// Create the Iterator directory $directory = new DirectoryIterator (dirname ( __ FILE__ ));  
// Loop for each directory item foreach ( $directory as $dir ) { // Show key and file name echo $directory -> key(). "= >" . $directory -> __ toString(). "
"
; }  
?>
Output:
0 = > ... 1 = > .. 2 = > applications.html 3 = > bitnami.css 4 = > dashboard 5 = > favicon.ico 6 = > engineer.PNG 7 = > gfg.php 8 = > img 9 = > index.php 10 = > Sublime Text Build 3211 x64 Setup.exe 11 = > webalizer 12 = > xampp
Note . The output of this function depends on the contents of the server folder.Link: https : //www.php.net/manual/en/directoryiterator.tostring.php

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