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format_l

Note

This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information.

Given a valid format string (defined by SprintfFormatString), return a formatted string using $format_args

namespace HH\Lib\Str;

function format_l(
  \HH\Lib\Locale\Locale $locale,
  SprintfFormatString $format_string,
  mixed ...$format_args,
): string;

Guides​

Parameters​

  • \HH\Lib\Locale\Locale $locale
  • SprintfFormatString $format_string
  • mixed ...$format_args

Returns​

  • string