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PHP fgets() Function

PHP Filesystem Reference Complete PHP Filesystem Reference

Definition and Usage

The fgets() function returns a line from an open file.

The fgets() function stops returning on a new line, at the specified length, or at EOF, whichever comes first.

This function returns FALSE on failure.

Syntax

fgets(file,length)

Parameter Description
file Required. Specifies the file to read from
length Optional. Specifies the number of bytes to read. Default is 1024 bytes.

Example 1

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

The output of the code above will be:

Hello, this is a test file.

Example 2

Read file line by line:

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

while(! feof($file))
  {
  echo fgets($file). "<br />";
  }

fclose($file);
?>

The output of the code above will be:

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

PHP Filesystem Reference Complete PHP Filesystem Reference
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