PHP | fpassthru() Function

PHP fpassthru() Function


Hello dear readers! welcome back to another edition of our tutorial on PHP. In this tutorial guide, we are going to be discussing about the PHP fpassthru() Function.

The PHP fpassthru() function can read all the data from the current position in an open file until EOF and writes the result to an output buffer.

Syntax

Following below is the syntax to use this function -

int fpassthru ( resource $handle )


Before we can make use of the fpassthru() function in a binary file on Windows system, the file must first be opened in a binary mode.

Return Value

This built-in PHP function returns the number of characters passed on success or false on failure.

Example

Try out the below example -

<?php
   $file = fopen("/PhpProject/sample.txt", "r");
 
   // Read first line
   fgets($file);

   // Send rest of the file to the output buffer
   echo fpassthru($file);
   fclose($file);
?>

Output

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

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

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