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while(!feof($file)){ //µ±Ã»ÓжÁÈ¡µ½Îļþ½á⣬¼ÌÐøÑ»·¶ÁÈ¡²Ù×÷
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}
fclose($file);
?>
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$file = fopen('your file path','a');
fwrite($file,'hello');
fclose($file);
echo 'done';
?>
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