sprintf() function in php

PHP sprint() function is used to write a formatted string to a variable. It is an inbuilt function of PHP.

Note: Also read fprint() and print() function for same reference.

Syntax:

1. $format represents the string and rules to format the variables inside the string. It is mandatory. It has 15 possible values.

• %%: It returns a percent sign.
• %b: It used for binary numbers.
• %c: it used to format characters according to ASCII values.
• %e: It used for the scientific notation in lowercase.
• %E: Scientific notation in uppercase.
• %u: Negative unsigned decimal numbers.
• %f: Floating point numbers (local setting aware).
• %F: Floating point numbers (Not local setting aware).
• %g: Shorter of %e and %f.
• %G: Shorter of %E and %f.
• %o: Octal numbers.
• %s: String.
• %x: Lowercased hexadecimal numbers.
• %X: Uppercased hexadecimal numbers.
• %d: Signed decimal numbers (Negative, Zero, or Positive).

2. $arg1 represents an argument which inserted at the first formatted string. It is mandatory.

3. $arg2 represents an argument which inserted at the second formatted string. It is optional.

4. $arg++ is also optional and its inserted at the next formatted string.

Example:

<?php
$str="Shyam";
$f_number=9;
$price=500;
$result=sprintf("Ram and his friend %s bought %d apples in rupees %f",$str,$f_number,$price);
echo $result;
?>

Output: