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PHP feof () function

PHP Filesystem Reference Manual Complete PHP Filesystem Reference Manual

Definition and Usage

Are feof () function checks have reached the end of the file (EOF).

If an error occurs, or the file pointer to the end of the file (EOF) returns TRUE, otherwise it returns FALSE.

grammar

feof(file)

参数 描述
file 必需。规定要检查的打开文件。


Tips and Notes

Tip: feof () function to traverse the length of the unknown data is useful.


Examples

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

//Output a line of the file until the end is reached
while(! feof($file))
{
echo fgets($file). "<br />";
}

fclose($file);
?>

The code above will output:

Hello, this is a test file.
There are three lines here.
This is the last line.


PHP Filesystem Reference Manual Complete PHP Filesystem Reference Manual