Log Message:
lang/php81: update to 8.1.19

11 May 2023, PHP 8.1.19

- Core:
  . Fix inconsistent float negation in constant expressions. (ilutov)
  . Fixed bug GH-8841 (php-cli core dump calling a badly formed function).
    (nielsdos)
  . Fixed bug GH-10737 (PHP 8.1.16 segfaults on line 597 of
    sapi/apache2handler/sapi_apache2.c). (nielsdos, ElliotNB)
  . Fixed bug GH-11028 (Heap Buffer Overflow in zval_undefined_cv.). (nielsdos)
  . Fixed bug GH-11108 (Incorrect CG(memoize_mode) state after bailout in ??=).
    (ilutov)

- DOM:
  . Fixed bug #80602 (Segfault when using DOMChildNode::before()).
    (Nathan Freeman)
  . Fixed incorrect error handling in dom_zvals_to_fragment(). (nielsdos)

- Exif:
  . Fixed bug GH-9397 (exif read : warnings and errors : Potentially invalid
    endianess, Illegal IFD size and Undefined index). (nielsdos)

- Intl:
  . Fixed bug GH-11071 (TZData version not displayed anymore). (Remi)

- PCRE:
  . Fixed bug GH-10968 (Segfault in preg_replace_callback_array()). (ilutov)

- Standard:
  . Fixed bug GH-10990 (mail() throws TypeError after iterating over
    $additional_headers array by reference). (nielsdos)
  . Fixed bug GH-9775 (Duplicates returned by array_unique when using enums).
    (ilutov)