Preg Replace With Count - Hhvm

:::info[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. :::

Hack

function preg_replace_with_count(
  mixed $pattern,
  mixed $replacement,
  mixed $subject,
  int $limit,
  inout ?int $count,
): mixed;

Parameters

mixed $pattern
mixed $replacement
mixed $subject
int $limit
inout ?int $count

Returns

mixed