PHP sprintf() Function

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what is the syntax of the SPRINTF() function in php?

sprintf(format,arg1,arg2,arg++)
ParameterDescription
formatRequired. Specifies the string and how to format the variables in it.Possible format values:%% – Returns a percent sign%b – Binary number%c – The character according to the ASCII value%d – Signed decimal number (negative, zero or positive)%e – Scientific notation using a lowercase (e.g. 1.2e+2)%E – Scientific notation using a uppercase (e.g. 1.2E+2)%u – Unsigned decimal number (equal to or greather than zero)%f – Floating-point number (local settings aware)%F – Floating-point number (not local settings aware)%g – shorter of %e and %f%G – shorter of %E and %f%o – Octal number%s – String%x – Hexadecimal number (lowercase letters)%X – Hexadecimal number (uppercase letters)Additional format values. These are placed between the % and the letter (example %.2f):+ (Forces both + and – in front of numbers. By default, only negative numbers are marked)’ (Specifies what to use as padding. Default is space. Must be used together with the width specifier. Example: %’x20s (this uses “x” as padding)- (Left-justifies the variable value)[0-9] (Specifies the minimum width held of to the variable value).[0-9] (Specifies the number of decimal digits or maximum string length)Note: If multiple additional format values are used, they must be in the same order as above.
arg1Required. The argument to be inserted at the first %-sign in the format string
arg2Optional. The argument to be inserted at the second %-sign in the format string
arg++Optional. The argument to be inserted at the third, fourth, etc. %-sign in the format string
PHP SPRINTF() method

examples of the SPRINTF() function

Example 1. In this example, we replace the percent (%) sign by a variable passed as an argument.

<?php
$number = 9;
$str = "Beijing";
$txt = sprintf("There are %u million bicycles in %s.",$number,$str);
echo $txt;
?>
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