PHP | DirectoryIterator isWritable() Function
The DirectoryIterator::isWritable() function is an inbuilt function in PHP which is used to check the current DirectoryIterator item can be written or not.
Syntax:
bool DirectoryIterator::isWritable( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns TRUE if the file/directory is writable, otherwise returns FALSE.
Below programs illustrate the DirectoryIterator::isWritable() function in PHP:
Program 1:
<?php // Create a directory Iterator$directory = new DirectoryIterator(dirname(__FILE__)); // Loop runs for each elementforeach($directory as $dir) { // Check for writable element if($dir->isWritable()) { // Display the file name echo $dir->getFilename() . "<br>"; }} ?> |
Output:
. .. applications.html bitnami.css dashboard favicon.ico geeks.PNG gfg.php img index.php Sublime Text Build 3211 x64 Setup.exe webalizer xampp
Program 2:
<?php // Create a directory Iterator$directory = new DirectoryIterator(dirname(__FILE__)); // Loop runs while directory element is validwhile ($directory->valid()) { // Check for writable element if($directory->isWritable()) { // Display the file name echo $directory->getFilename() . "<br>"; } // Move to the next element $directory->next();} ?> |
Output:
. .. applications.html bitnami.css dashboard favicon.ico geeks.PNG gfg.php img index.php Sublime Text Build 3211 x64 Setup.exe webalizer xampp
Note: The output of this function depends on the content of server folder.
Reference: https://www.php.net/manual/en/directoryiterator.iswritable.php
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