PHP | DirectoryIterator key() Function

PHP | DirectoryIterator isLink() Function

Last Updated : 07 Mar, 2024

The DirectoryIterator::isLink() function is an inbuilt function in PHP which is used to check the current DirectoryIterator item is a symbolic link or not. Syntax:

bool DirectoryIterator::isLink( void )

Parameters: This function does not accept any parameters. Return Value: This function returns TRUE if the item is a symbolic link, otherwise returns FALSE. Below programs illustrate the DirectoryIterator::isLink() function in PHP: Program 1:

php

<?php

// Create a directory Iterator
$directory = new DirectoryIterator(dirname(__FILE__));

// Loop runs for each element of directory
foreach($directory as $dir) {
    
    // Use isLink() function to store the result
    $link = $dir->isLink();
    
    // Display result
    var_dump($link);
}

?>

Output:

bool(false)
bool(false)
bool(false)

Program 2:

php

<?php
 
// Create a directory Iterator
 
$directory = new DirectoryIterator(dirname(__FILE__));
 
// Loop runs while directory is valid
while ($directory->valid()) {
     
    // Use isLink() function to store the result
    $link = $directory->isLink();
     
    // Display result
    var_dump($link);
    
    $directory->next();
}
 
?>

Output:

bool(false)
bool(false)
bool(false)

Note: The output of this function depends on the content of server folder.

PHP | DirectoryIterator key() Function

jit_t

Improve

Article Tags :

Similar Reads

PHP | DirectoryIterator isDir() Function

The DirectoryIterator::isDir() function is an inbuilt function in PHP which is used to check the current DirectoryIterator item is a directory or not. Syntax: bool DirectoryIterator::isDir( void ) Parameters: This function does not accept any parameters. Return Value: This function returns TRUE if t

PHP | DirectoryIterator isFile() Function

The DirectoryIterator::isFile() function is an inbuilt function in PHP which is used to check the current DirectoryIterator item is a regular file or not. Syntax: bool DirectoryIterator::isFile( void ) Parameters: This function does not accept any parameters. Return Value: This function returns TRUE

PHP | DirectoryIterator isDot() Function

The DirectoryIterator::isDot() function is an inbuilt function in PHP which is used to check the current DirectoryIterator item is '.' or '..' Syntax: bool DirectoryIterator::isDot( void ) Parameters: This function does not accept any parameters. Return Value: This function returns TRUE if the entry

PHP | DirectoryIterator key() Function

The DirectoryIterator::key() function is an inbuilt function in PHP which is used to return the key for the current DirectoryIterator item. Syntax: string DirectoryIterator::key( void ) Parameters: This function does not accept any parameters. Return Value: This function returns the key for the curr

PHP | DirectoryIterator next() Function

The DirectoryIterator::next() function is an inbuilt function in PHP which is used to move forward to the next DirectoryIterator item. Syntax: void DirectoryIterator::next( void ) Parameters: This function does not accept any parameters. Return Value: This function does not return any value. Below p

PHP | DirectoryIterator getSize() Function

The DirectoryIterator::getSize() function is an inbuilt function in PHP which is used to returns the size of the current DirectoryIterator item. Syntax: int DirectoryIterator::getSize( void ) Parameters: This function does not accept any parameters. Return Value: This function returns the size of th

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

PHP | DirectoryIterator isReadable() Function

The DirectoryIterator::isReadable() function is an inbuilt function in PHP which is used to check the current DirectoryIterator item is readable or not. Syntax: bool DirectoryIterator::isReadable( void ) Parameters: This function does not accept any parameters. Return Value: This function returns TR

PHP | DirectoryIterator getFilename() Function

The DirectoryIterator::getFilename() function is an inbuilt function in PHP which is used to return file name of current DirectoryIterator item. Syntax: string DirectoryIterator::getFilename( void ) Parameters: This function does not accept any parameters. Return Value: This function returns the fil

PHP DirectoryIterator isExecutable() Function

PHP DirectoryIterator::isExecutable() function is an inbuilt function in PHP that is used to check whether the current DirectoryIterator item is executable or not. Syntax: bool DirectoryIterator::isExecutable( void ) Parameters: This function does not accept any parameters. Return Value: This functi