-<?php\r
-$file = fopen ("hw.txt", "a");\r
-if (!$file) {\r
- echo "<p>Unable to open file for writing.\n";\r
- exit;\r
-}\r
-fputs ($file, $_POST['data']. "\n");\r
-fclose ($file);\r
-echo "_ok_";\r
+<?php
+$file = fopen ("hw.txt", "a");
+if (!$file) {
+ echo "<p>Unable to open file for writing.\n";
+ exit;
+}
+fputs ($file, $_POST['data']. "\n");
+fclose ($file);
+echo "_ok_";
?>
\ No newline at end of file