PHP - Function fprintf

Syntax

int fprintf ( resource $handle , string $format [, mixed $args [, mixed $... ]] )

It is used to write a formatted string to a stream

It returns the length of the string written

Sr.No	Parameters & Description
1	stream The stream specifies the where to write
2	format The specifies the string and contained information about how to format the string

Parameters & Description

The stream specifies the where to write

The specifies the string and contained information about how to format the string

Try out the following example

<?php
   $input = 123;
   $file = fopen("sample.txt","r");
   
   fprintf($file,"%f",$input);
?>

This will produce following result − −

123.000000

php_function_reference.htm