preg_match_with_error

preg_match, but populates $error in case of error

function preg_match_with_error(
  string $pattern,
  string $subject,
  inout ?int $error,
  int $flags = 0,
  int $offset = 0,
): int;

If the function runs normally with no errors, then $error is set to null. Otherwise, if an error occurs, $error is set to an error code constant from the list defined in builtins_preg.hhi.

Parameters

• string $pattern
• string $subject
• inout ?int $error
• int $flags = 0
• int $offset = 0

Returns

• int