sprintf Return a formatted string &reftitle.description; stringsprintf stringformat mixedvalues Returns a string produced according to the formatting string format. &reftitle.parameters; &strings.parameter.format; values &reftitle.returnvalues; Returns a string produced according to the formatting string format. &reftitle.changelog; &Version; &Description; 8.0.0 This function no longer returns &false; on failure. &reftitle.examples; The format string supports argument numbering/swapping. ]]> &example.outputs; However imagine we are creating a format string in a separate file, commonly because we would like to internationalize it and we rewrite it as: ]]> We now have a problem. The order of the placeholders in the format string does not match the order of the arguments in the code. We would like to leave the code as is and simply indicate in the format string which arguments the placeholders refer to. We would write the format string like this instead: ]]> An added benefit is that placeholders can be repeated without adding more arguments in the code. ]]> When using argument swapping, the n$ position specifier must come immediately after the percent sign (%), before any other specifiers, as shown below. ]]> &example.outputs; ]]> &example.outputs; ]]> ]]> &example.outputs; ]]> &example.outputs; &reftitle.seealso; printf fprintf vprintf vsprintf vfprintf sscanf fscanf number_format date