PHP feof() Function Usage and Example

PHP Filesystem Reference Manual

The feof() function checks if the "end of file" (EOF) has been reached. If an error occurs or the EOF is reached, this function can return true, otherwise it can return false.

Syntax

bool feof ( resource $handle )

　Test if the file pointer has reached the end of the file. The feof() function can be used to traverse data of unknown length.

Online Example

<?php
　　　$file = fopen("/PhpProject/sample.txt, "r");
　　　
　　　//Output a line from the file until the end
　　　while(! feof($file)) {
　　　　　　echo fgets($file);
　　　}
　　　fclose($file);
?>

Output Result

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PHP Filesystem Reference Manual