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tryphp_func_string_printf4.php:

<!DOCTYPE html>
<html>
<body>

<?php
$num1 = 123456789;
$num2 = -123456789;
$char = 50; // The ASCII Character 50 is 2

// Note: The format value "%%" returns a percent sign
printf("%%b = %b ",$num1); // Binary number
printf("%%c = %c ",$char); // The ASCII Character
printf("%%d = %d ",$num1); // Signed decimal number
printf("%%d = %d ",$num2); // Signed decimal number
printf("%%e = %e ",$num1); // Scientific notation (lowercase)
printf("%%E = %E ",$num1); // Scientific notation (uppercase)
printf("%%u = %u ",$num1); // Unsigned decimal number (positive)
printf("%%u = %u ",$num2); // Unsigned decimal number (negative)
printf("%%f = %f ",$num1); // Floating-point number (local settings aware)
printf("%%F = %F ",$num1); // Floating-point number (not local sett aware)
printf("%%g = %g ",$num1); // Shorter of %e and %f
printf("%%G = %G ",$num1); // Shorter of %E and %f
printf("%%o = %o ",$num1); // Octal number
printf("%%s = %s ",$num1); // String
printf("%%x = %x ",$num1); // Hexadecimal number (lowercase)
printf("%%X = %X ",$num1); // Hexadecimal number (uppercase)
printf("%%+d = %+d ",$num1); // Sign specifier (positive)
printf("%%+d = %+d ",$num2); // Sign specifier (negative)
?>

</body>
</html>

%b = 111010110111100110100010101
%c = 2
%d = 123456789
%d = -123456789
%e = 1.234568e+8
%E = 1.234568E+8
%u = 123456789
%u = 18446744073586094827
%f = 123456789.000000
%F = 123456789.000000
%g = 1.23457e+8
%G = 1.23457E+8
%o = 726746425
%s = 123456789
%x = 75bcd15
%X = 75BCD15
%+d = +123456789
%+d = -123456789