Update task1.php

task1.php

@@ -1,2 +1,32 @@
-<?
-// Your code is here:
+<?php
+/**
+ * Find files in the /datafiles folder with names consisting of numbers and letters of the Latin alphabet,
+ * having the .ixt extension, and display the names of these files ordered by name.
+ */
+
+// Directory path to search for files
+$directory = '/datafiles';
+
+// Regular expression pattern to match files with names consisting of numbers and Latin alphabet letters with .ixt extension
+$pattern = '/^[A-Za-z0-9]+\.ixt$/';
+
+// Initialize an array to store file names that match the criteria
+$matchingFiles = [];
+
+// Get all files in the directory
+$files = scandir($directory);
+
+// Iterate through the files and match the pattern
+foreach ($files as $file) {
+    if (preg_match($pattern, $file) && is_file($directory . '/' . $file)) {
+        $matchingFiles[] = $file; // Add the matching file to the array
+    }
+}
+
+// Sort the matching file names alphabetically
+sort($matchingFiles);
+
+// Display the sorted file names
+foreach ($matchingFiles as $file) {
+    echo $file . PHP_EOL; // Display each file name
+}