PHP | vfprintf() Function

PHP vfprintf() 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 vfprintf() Function.

The built-in PHP vfprintf() function writes a formatted string to a specified output.

syntax

Following below is the syntax to use this function -

vfprintf(stream,format,argarray)


Parameter Details

Sr.NoParameters & Description
1

stream

It is used to specify where to write/output the string

2

format

It is used to specify string and how to format the variable in it

3

argarray

It is used to specify an array with argument to be inserted


Return Value

This PHP function returns the length of the written string.

Example

Try out the example below -

<?php
   $input1 = 123;
   $input2 = 456;
   $file = fopen("sample.txt","r");
   
   vfprintf($file,"%f%f",array($input1,$input2));
?>


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

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