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preg_match_with_matches

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.

function preg_match_with_matches(
  string $pattern,
  string $subject,
  inout mixed $matches,
  int $flags = 0,
  int $offset = 0,
): int;

Parameters​

  • string $pattern
  • string $subject
  • inout mixed $matches
  • int $flags = 0
  • int $offset = 0

Returns​

  • int