<?php $file_array=file("list.txt"); $all=count($file_array); Echo "До $all"; foreach($file_array as $value) { if(!in_array($value, $a)) { $a[]=$value; } } $all=count($a); $fp=fopen("list.txt","w") ; foreach($a as $value) { fputs($fp, $value."\r\n"); } } fclose($fp); Echo "После $all"; ?>