Usage of php feof() function

feof() Function Checks whether the end of file (EOF) has been reached.

If an error occurs or the file pointer reaches the end of the file (EOF), TRUE is returned, otherwise FALSE is returned. The feof() function is useful for iterating over data of unknown length.

Syntax

feof(file)

##ParametersDescriptionfileRequired. Specifies the open file to be checked. Example code

<?php
$file = fopen("test.txt", "r");

//输出文本中所有的行，直到文件结束为止。
while(! feof($file))
  {
  echo fgets($file). "<br />";
  }

fclose($file);
?>

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