Description:
------------
When using GMP class operators such as + or < with an invalid second value (such as non-numeric string or array), the exception picks up parameter name from the outer scope. Operator parameter probably doesn't have any meaningful name. The bad messages come from ext/gmp/gmp.c, function convert_to_gmp, lines 623 and 632.

Just run (gmp_init(1) < "x") inside a function, and you'll find the second function parameter name in the error message.

Test script:
---------------
<?php
function test($f) {
  try {
    $f();
    echo "No error?\n";
  } catch (TypeError|ValueError $e) {
    if (strpos($e->getMessage(), '($WRONG_SCOPE_')) {
      echo "Bad error! ", $e->getMessage(), "\n";
    } else {
      echo "Good error.\n";
    }
  }
}
test(fn($WRONG_SCOPE_1 = 0, $WRONG_SCOPE_2 = 0) => gmp_init(1) < "x");
test(fn($WRONG_SCOPE_1 = 0, $WRONG_SCOPE_2 = 0) => gmp_init(1) < []);
test(fn($WRONG_SCOPE_1 = 0, $WRONG_SCOPE_2 = 0) => gmp_init(1) + "x");
test(fn($WRONG_SCOPE_1 = 0, $WRONG_SCOPE_2 = 0) => gmp_init(1) + []);


Expected result:
----------------
Good error.
Good error.
Good error.
Good error.

Actual result:
--------------
Bad error! {closure}(): Argument #2 ($WRONG_SCOPE_2) is not an integer string
Bad error! {closure}(): Argument #2 ($WRONG_SCOPE_2) must be of type GMP|string|int, array given
Bad error! {closure}(): Argument #2 ($WRONG_SCOPE_2) is not an integer string
Bad error! {closure}(): Argument #2 ($WRONG_SCOPE_2) must be of type GMP|string|int, array given