Fix ternary precedence printing

The precedence table set the LHS and RHS precedence for the
ternary to -1, which is the dummy value used for unary operators.
Instead, it should be the same as the operator precedence, as
the ternary is non-associative since PHP 8.

Fixes #1009.

lib/PhpParser/PrettyPrinterAbstract.php

@@ -76,7 +76,7 @@ abstract class PrettyPrinterAbstract implements PrettyPrinter {
         BinaryOp\BooleanAnd::class     => [120, 121, 120],
         BinaryOp\BooleanOr::class      => [130, 131, 130],
         BinaryOp\Coalesce::class       => [140, 140, 141],
-        Expr\Ternary::class            => [150,  -1,  -1],
+        Expr\Ternary::class            => [150, 150, 150],
         Expr\Assign::class             => [160,  -1,  -1],
         Expr\AssignRef::class          => [160,  -1,  -1],
         AssignOp\Plus::class           => [160,  -1,  -1],

test/code/prettyPrinter/expr/parentheses.test

@@ -19,6 +19,7 @@ $a = $b = $c = $d = ($f and true);
 $a ? $b : $c ? $d : $e ? $f : $g;
 $a ? $b : ($c ? $d : ($e ? $f : $g));
 $a ? $b ? $c : $d : $f;
+$a === $b ? $c : $d;
 
 $a ?? $b ?? $c;
 ($a ?? $b) ?? $c;
@@ -73,6 +74,7 @@ $a = $b = $c = $d = ($f and true);
 (($a ? $b : $c) ? $d : $e) ? $f : $g;
 $a ? $b : ($c ? $d : ($e ? $f : $g));
 $a ? $b ? $c : $d : $f;
+$a === $b ? $c : $d;
 $a ?? $b ?? $c;
 ($a ?? $b) ?? $c;
 $a ?? ($b ? $c : $d);