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PHP unlink() Function

The PHP unlink() function can be used to delete files within specified directories. One such use of this function could be to remove images for a dynamic image gallery.

The code below can be used to delete multiple images in a specific folder. The post variables for $_POST[‘filenames’] is an array of each file which was selected for deleting. The foreach loop takes each file that you want to delete and uses the unlink($newdir) function to delete the file.

if ($_POST['mysubmit2']) {
foreach ($_POST["filenames"] as $filename) {
echo $filename;
// $newdir = getcwd()."/images/gallery/".$filename; // for live hosting
$newdir = getcwd()."\images\gallery\\".$filename;


 //$dir =  getcwd()."/images/gallery" ; //for live host
        $dir =  getcwd()."\images\gallery" ; //for WAMP

<form name="mydelete" method="post" action="<?php echo $_SERVER['PHP_SELF'] ; ?>" >        

//$dir    = $directory;
$files1 = scandir($dir);
foreach($files1 as $file){
if(strlen($file) >=3){
//$foil = strstr($file, 'jpg'); // As of PHP 5.3.0
$foil = $file;
//$pos = strpos($file, 'css');
if ($foil==true){
echo '<input type="checkbox" name="filenames[]" value="'.$foil.'" />';
// echo "<img width='130' height='38' src='images/gallery/$file' /><br/>"; // for live host
echo "<img width='130' height='38' src='/ABOOK/SORTING/gallery-dynamic/images/gallery/$file' /><br/>";
<input type="submit" name="mysubmit2" value="Delete">