<?php $f = fopen("data1.txt",'r+') or die("Error"); //echo fread($f, 5); //echo fread($f, 3); $s = filesize("data1.txt"); echo fread($f, $s); fwrite($f,'ksdhfkjsdf'); echo fread($f, $s+10); file_put_contents("data1.txt",'\n1234567890',FILE_APPEND); echo fread($f, $s+30); fclose($f); ?>
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