PHP - Function Vfprintf

Syntax

vfprintf(stream,format,argarray)

It used to convert formatted string to specific output

It returns the length of return string

Sr.No	Parameters & Description
1	stream It is used to specifies where to write/output the string
2	format It is used to specifies string and how to format the variable in it
3	argarray It is used to specifies an array with argument to be inserted

Parameters & Description

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

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

argarray

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

Try out the following example

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

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