PHP sprintf() function || sprintf() function in PHP

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.



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.


$result=sprintf("Ram and his friend %s bought %d apples in rupees %f",$str,$f_number,$price);
echo $result;


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