06-04-2024

_test/files.php

@@ -0,0 +1,88 @@
+<?php 
+$files = array();
+$dir = new DirectoryIterator('.');
+foreach ($dir as $fileinfo) {     
+   $files[$fileinfo->getMTime()][] = $fileinfo->getFilename();
+}
+
+ksort($files);
+
+
+?>
+
+
+<?php
+
+$it = new DirectoryIterator(__DIR__);
+foreach ($it as $fileinfo) {
+  if (!$fileinfo->isDot())
+    var_dump($fileinfo->getFilename());
+}
+
+$it = new FilesystemIterator(__DIR__);
+foreach ($it as $fileinfo) {
+  echo $fileinfo->getFilename() . "\n";
+}
+
+$iterator = new DirectoryIterator(dirname(__FILE__));
+foreach ( $iterator as $fileinfo ) {
+    var_dump($fileinfo->current()); // would return object(DirectoryIterator)
+}
+
+$iterator = new FilesystemIterator(__DIR__, FilesystemIterator::CURRENT_AS_PATHNAME);
+foreach ( $iterator as $fileinfo ) {
+    var_dump($iterator->current()) . "\n"; // Would return full path eg /www/examples/example.php
+}
+?>
+
+<?php
+
+// https://stackoverflow.com/questions/124958/glob-sort-array-of-files-by-last-modified-datetime-stamp
+
+function files_attachment_list($id, $sort_by_date = false, $allowed_extensions = ['png', 'jpg', 'jpeg', 'gif', 'doc', 'docx', 'pdf', 'zip', 'rar', '7z'])
+{
+    if (empty($id) or !is_dir(sprintf('files/%s/', $id))) {
+        return false;
+    }
+    $out = [];
+    foreach (new DirectoryIterator(sprintf('files/%s/', $id)) as $file) {
+        if ($file->isFile() == false || !in_array($file->getExtension(), $allowed_extensions)) {
+            continue;
+        }
+
+        $datetime = new DateTime();
+        $datetime->setTimestamp($file->getMTime());
+        $out[] = [
+            'title' => $file->getFilename(),
+            'size' => human_filesize($file->getSize()),
+            'modified' => $datetime->format('Y-m-d H:i:s'),
+            'extension' => $file->getExtension(),
+            'url' => $file->getPathname()
+        ];
+    }
+
+    $sort_by_date && usort($out, function ($a, $b) {
+        return $a['modified'] > $b['modified'];
+    });
+
+    return $out;
+}
+
+function human_filesize($bytes, $decimals = 2)
+{
+    $sz = 'BKMGTP';
+    $factor = floor((strlen($bytes) - 1) / 3);
+    return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . @$sz[$factor];
+}
+
+// returns a file info array from path like '/files/123/*.extensions'
+// extensions = 'png', 'jpg', 'jpeg', 'gif', 'doc', 'docx', 'pdf', 'zip', 'rar', '7z'
+// OS specific sorting
+print_r( files_attachment_list(123) );
+
+// returns a file info array from the folder '/files/456/*.extensions'
+// extensions = 'txt', 'zip'
+// sorting by modified date (newest first)
+print_r( files_attachment_list(456, true, ['txt','zip']) );
+
+?>