PHP | fread() Function

Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP fread() Function.

The built-in PHP fread() function reads from an open file. This function stops at the end of the file or when it reaches the specified length, whichever comes first.

Syntax

Following below is the syntax to use this function -

string fread ( resource $handle , int $length )

READ: PHP | fileowner() Function

The fread() function can read up to length bytes from the file pointer referenced by the handle.

Return Value

This built-in PHP function returns the read string on success or false on failure.

Example1

Try out the below example -

<?php
   $filename = "/PhpProject/sample.txt";
   $handle = fopen($filename, "r");
   echo fread($handle, "30");
   
   fclose($handle);
?>

Output

When the above code is executed, it will produce the following result -

Webdesigntutorialz
Webdesign
Hello

Example2

Try out the below example -

<?php
   $filename = "/PhpProject/sample.txt";
   $file = fopen($filename, "r");
   
   $contents = fread($file, filesize($filename));
   echo $contents;
   
   fclose($file);
?>

Output

When the above code is executed, it will produce the following result -

Webdesigntutorialz
Webdesign
Hello Webdesigntutorialz!!!!

READ: PHP | fputs() Function

Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial guide, we are going to be discussing about the PHP fscanf() Function.

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