Filters › format

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Filter format(...):

  • ... — any values

The format filter formats a given string by replacing the placeholders.

{{ "I like %s and %s."|format(foo, "bar") }}

{# outputs I like foo and bar
   if the foo parameter equals to the foo string. #}

Placeholders follows the printf c notation:

specifier Output Example
%d or %i Signed decimal integer 392
%u Unsigned decimal integer 7235
%o Unsigned octal 610
%x Unsigned hexadecimal integer 7fa
%X Unsigned hexadecimal integer (uppercase) 7FA
%f Decimal floating point, lowercase 392.65
%F Decimal floating point, uppercase 392.65
%e Scientific notation (mantissa/exponent), lowercase 3.9265e+2
%E Scientific notation (mantissa/exponent), uppercase 3.9265E+2
%g Use the shortest representation: %e or %f 392.65
%G Use the shortest representation: %E or %F 392.65
%a Hexadecimal floating point, lowercase -0xc.90fep-2
%A Hexadecimal floating point, uppercase -0XC.90FEP-2
%c Character a
%s String of characters sample
%n Nothing printed. The corresponding argument must be a pointer to a signed int. The number of characters written so far is stored in the pointed location.  
%% A % followed by another % character will write a single % to the stream. %