I want to rename the latest added file from a folder, but somehow my code isn't working. Could please help!
For example, if the latest file is "file_0202.json"
And I want to Change it to "file.json"
Here is my Code
<?php
$files = scandir('content/myfiles', SCANDIR_SORT_DESCENDING);
$selected_file = $files[0];
$new_filename = preg_replace('/_[^_.]*\./', '.', $selected_file);
if(rename($selected_file, $new_filename, ))
{
echo 'renamed';
}
else {
echo 'can not rename';
}
?>
It's better if you use glob(). glob() returns the path and filename used.
Then you have to sort by the file that was last changed. You can use usort and filemtime for that.
$files = glob('content/myfiles/*.*');
usort($files,function($a,$b){return filemtime($b) <=> filemtime($a);});
$selected_file = $files[0];
$new_filename = preg_replace('/_[^_.]*\./', '.', $selected_file);
if(rename($selected_file, $new_filename))
{
echo 'renamed';
}
else {
echo 'can not rename';
}
Instead of *.* you can restrict the searched files if necessary. As an example *.json . Be careful with your regular expression so that it doesn't change a path.
Related
I'm having difficulty in copying an image from one folder to another, now i have seen many articles and questions regarding this, none of them makes sense or work, i have also used copy function but its giving me an error. " failed to open stream: No such file or directory" i think the copy function is only for files. The image i wanna copy is present in the root directory. Can anybody help me please. What i am doing wrong here or is there any other way???
<?php
$pic="somepic.jpg";
copy($pic,'test/Uploads');
?>
You should write your code same as below :
<?php
$imagePath = "/var/www/projectName/Images/somepic.jpg";
$newPath = "/test/Uploads/";
$ext = '.jpg';
$newName = $newPath."a".$ext;
$copied = copy($imagePath , $newName);
if ((!$copied))
{
echo "Error : Not Copied";
}
else
{
echo "Copied Successful";
}
?>
You should have file name in destination like:
copy($pic,'test/Uploads/'.$pic);
For your code, it must be like this:
$pic="somepic.jpg";
copy($pic,'test/Uploads/'.$pic);
Or use function, like this:
$pic="somepic.jpg";
copy_files($pic,'test/Uploads');
function copy_files($file_path, $dest_path){
if (strpos($file_path, '/') !== false) {
$pathinfo = pathinfo($file_path);
$dest_path = str_replace($pathinfo['dirname'], $dest_path, $file_path);
}else{
$dest_path = $dest_path.'/'.$file_path;
}
return copy($pic, $dest_path);
}
I would like to delete all files matching a particular extension in a specified directory and all subtree. I suppose I should be using using unlink but some help would be highly appreciated... Thank you!
you need a combination of this
Recursive File Search (PHP)
And the unlink / delete
You should be able to edit the example instead of echoing the file, to delete it
To delete specific extension files from sub directories, you can use the following function. Example:
<?php
function delete_recursively_($path,$match){
static $deleted = 0,
$dsize = 0;
$dirs = glob($path."*");
$files = glob($path.$match);
foreach($files as $file){
if(is_file($file)){
$deleted_size += filesize($file);
unlink($file);
$deleted++;
}
}
foreach($dirs as $dir){
if(is_dir($dir)){
$dir = basename($dir) . "/";
delete_recursively_($path.$dir,$match);
}
}
return "$deleted files deleted with a total size of $deleted_size bytes";
}
?>
e.g. To remove all text files you can use it as follows:
<?php echo delete_recursively_('/home/username/directory/', '.txt'); ?>
I have a zip file containing one folder, that contains more folders and files, like this:
myfile.zip
-firstlevel
--folder1
--folder2
--folder3
--file1
--file2
Now, I want to extract this file using PHPs ZipArchive, but without the "firstlevel" folder. At the moment, the results look like this:
destination/firstlevel/folder1
destination/firstlevel/folder2
...
The result I'd like to have would look like this:
destination/folder1
destination/folder2
...
I've tried extractTo, which produces the first mentioned result, and copy(), as suggested here, but this doesn't seem to work at all.
My current code is here:
if($zip->open('myfile.zip') === true) {
$firstlevel = $zip->getNameIndex(0);
for($i = 0; $i < $zip->numFiles; $i++) {
$entry = $zip->getNameIndex($i);
$pos = strpos($entry, $firstlevel);
if ($pos !== false) {
$file = substr($entry, strlen($firstlevel));
if(strlen($file) > 0){
$files[] = $file;
}
}
}
//attempt 1 (extractTo):
//$zip->extractTo('./test', $files);
//attempt 2 (copy):
foreach($files as $filename){
copy('zip://'.$firstlevel.'/'.$filename, 'test/'.$filename);
}
}
How can I achieve the result I'm aiming for?
Take a look at my Quick Unzipper script. I wrote this for personal use a while back when uploading large zip files to a server. It was a backup, and 1,000s of files take forever with FTP so using a zip file was faster. I use Git and everything, but there wasn't another option for me. I place this php file in the directory I want the files to go, and put the zip file in the same directory. For my script, they all have to operate in the same directory. It was an easy way to secure it for my needs, as everything I needed was in the same dir.
Quick Unzipper: https://github.com/incomepitbull/QuickUnzipper/blob/master/unzip.php
I linked the file because I am not showcasing the repo, just the code that makes the unzip tick. With modern versions of PHP, there should't be anything that isn't included on your setup. So you shouldn't need to do any server config changes to use this.
Here is the PHP Doc for the ZipArchive class it uses: http://php.net/manual/en/class.ziparchive.php
There isn't any included way to do what you want, which is a shame. So I would unzip the file to a temp directory, then use another function to copy the contents to where you want. So when using ZipArchive, you will need to return the first item to get the folder name if it is unknown. If the folder is known, ie: the same pesky folder name every time, then you could hard code the name.
I have made it return the first item from the index. So if you ALWAYS have a zip with 1 folder inside it, and everything in that folder, this would work. However, if you have a zip file without everything consolidated inside 1 folder, it would fail. The code I have added will take care of your question. You will need to add further logic to handle alternate cases.
Also, You will still be left with the old directory from when we extract it to the temp directory for "processing". So I included code to delete it too.
NOTE: The code uses a lot of if's to show the processing steps, and print a message for testing purposes. You would need to modify it to your needs.
<?php
public function copyDirectoryContents($source, $destination, $create=false)
{
if ( ! is_dir($source) ) {
return false;
}
if ( ! is_dir($destination) && $create === true ) {
#mkdir($destination);
}
if ( is_dir($destination) ) {
$files = array_diff(scandir($source), array('.','..'));
foreach ($files as $file)
{
if ( is_dir($file) ) {
copyDirectoryContents("$source/$file", "$destination/$file");
} else {
#copy("$source/$file", "$destination/$file");
}
}
return true;
}
return false;
}
public function removeDirectory($directory, $options=array())
{
if(!isset($options['traverseSymlinks']))
$options['traverseSymlinks']=false;
$files = array_diff(scandir($directory), array('.','..'));
foreach ($files as $file)
{
if (is_dir("$directory/$file"))
{
if(!$options['traverseSymlinks'] && is_link(rtrim($file,DIRECTORY_SEPARATOR))) {
unlink("$directory/$file");
} else {
removeDirectory("$directory/$file",$options);
}
} else {
unlink("$directory/$file");
}
}
return rmdir($directory);
}
$file = dirname(__FILE__) . '/file.zip'; // full path to zip file needing extracted
$temp = dirname(__FILE__) . '/zip-temp'; // full path to temp dir to process extractions
$path = dirname(__FILE__) . '/extracted'; // full path to final destination to put the files (not the folder)
$firstDir = null; // holds the name of the first directory
$zip = new ZipArchive;
$res = $zip->open($file);
if ($res === TRUE) {
$firstDir = $zip->getNameIndex(0);
$zip->extractTo($temp);
$zip->close();
$status = "<strong>Success:</strong> '$file' extracted to '$temp'.";
} else {
$status = "<strong>Error:</strong> Could not extract '$file'.";
}
echo $status . '<br />';
if ( empty($firstDir) ) {
echo 'Error: first directory was empty!';
} else {
$firstDir = realpath($temp . '/' . $firstDir);
echo "First Directory: $firstDir <br />";
if ( is_dir($firstDir) ) {
if ( copyDirectoryContents($firstDir, $path) ) {
echo 'Directory contents copied!<br />';
if ( removeDirectory($directory) ) {
echo 'Temp directory deleted!<br />';
echo 'Done!<br />';
} else {
echo 'Error deleting temp directory!<br />';
}
} else {
echo 'Error copying directory contents!<br />';
}
} else {
echo 'Error: Could not find first directory';
}
}
So I have this app that processes CSV files. I have a line of code to load the file.
$myFile = "data/FrontlineSMS_Message_Export_20120721.csv"; //The name of the CSV file
$fh = fopen($myFile, 'r'); //Open the file
I would like to find a way in which I could look in the data directory and get the newest file (they all have date tags so they would be in order inside of data) and set the name equal to $myFile.
I really couldn't find and understand the documentation of php directories so any helpful resources would be appreciated as well. Thank you.
Here's an attempt using scandir, assuming the only files in the directory have timestamped filenames:
$files = scandir('data', SCANDIR_SORT_DESCENDING);
$newest_file = $files[0];
We first list all files in the directory in descending order, then, whichever one is first in that list has the "greatest" filename — and therefore the greatest timestamp value — and is therefore the newest.
Note that scandir was added in PHP 5, but its documentation page shows how to implement that behavior in PHP 4.
For a search with wildcard you can use:
<?php
$path = "/var/www/html/*";
$latest_ctime = 0;
$latest_filename = '';
$files = glob($path);
foreach($files as $file)
{
if (is_file($file) && filectime($file) > $latest_ctime)
{
$latest_ctime = filectime($file);
$latest_filename = $file;
}
}
return $latest_filename;
?>
My solution, improved solution from Max Hofmann:
$ret = [];
$dir = Yii::getAlias("#app") . "/web/uploads/problem-letters/{$this->id}"; // set directory in question
if(is_dir($dir)) {
$ret = array_diff(scandir($dir), array(".", "..")); // get all files in dir as array and remove . and .. from it
}
usort($ret, function ($a, $b) use ($dir) {
if(filectime($dir . "/" . $a) < filectime($dir . "/" . $b)) {
return -1;
} else if(filectime($dir . "/" . $a) == filectime($dir . "/" . $b)) {
return 0;
} else {
return 1;
}
}); // sort array by file creation time, older first
echo $ret[count($ret)-1]; // filename of last created file
Here's an example where I felt more confident in using my own validator rather than simply relying on a timestamp with scandir().
In this context, I want to check if my server has a more recent file version than the client's version. So I compare version numbers from the file names.
$clientAppVersion = "1.0.5";
$latestVersionFileName = "";
$directory = "../../download/updates/darwin/"
$arrayOfFiles = scandir($directory);
foreach ($arrayOfFiles as $file) {
if (is_file($directory . $file)) {
// Your custom code here... For example:
$serverFileVersion = getVersionNumberFromFileName($file);
if (isVersionNumberGreater($serverFileVersion, $clientAppVersion)) {
$latestVersionFileName = $file;
}
}
}
// function declarations in my php file (used in the forEach loop)
function getVersionNumberFromFileName($fileName) {
// extract the version number with regEx replacement
return preg_replace("/Finance D - Tenue de livres-darwin-(x64|arm64)-|\.zip/", "", $fileName);
}
function removeAllNonDigits($semanticVersionString) {
// use regex replacement to keep only numeric values in the semantic version string
return preg_replace("/\D+/", "", $semanticVersionString);
}
function isVersionNumberGreater($serverFileVersion, $clientFileVersion): bool {
// receives two semantic versions (1.0.4) and compares their numeric value (104)
// true when server version is greater than client version (105 > 104)
return removeAllNonDigits($serverFileVersion) > removeAllNonDigits($clientFileVersion);
}
Using this manual comparison instead of a timestamp I can achieve a more surgical result. I hope this can give you some useful ideas if you have a similar requirement.
(PS: I took time to post because I was not satisfied with the answers I found relating to the specific requirement I had. Please be kind I'm also not very used to StackOverflow - Thanks!)
I have a filename stored with the directory as a value.
Ex. /var/www/remove_this.php
In my PHP script I want to remove everthing after the last '/', so I can use mkdir on this path without creating a directory from the filename also.
There are so many string editing functions, I don't know a good approach. Thanks!
dirname() will return you the directory part of the path
Use pathinfo() to get info about the file itself.
$file = '/var/www/remove_this.php';
$pathinfo = pathinfo($file);
$dir = $pathinfo['dirname']; // '/var/www/'
You could use string functions, but for this case PHP has some smarter directory functions:
$dir = dirname('/var/www/remove_this.php'); // /var/www
pathinfo is an excellent one as well.
<?php
$file="/var/www/remove_this.php";
$folder=dirname($var);
if (!file_exsts($folder))
{
if (mkdir($folder,777,true))
{
echo "Folder created\n";
} else
{
echo "Folder creation failed\n";
}
} else
{
echo "Folder exists already\n";
}
?>