Merge branch 'php-8.0/squiz-incrementdecrementusage-support-nullsafe-operator' of https://github.com/jrfnl/PHP_CodeSniffer

Author: gsherwood

src/Standards/Squiz/Sniffs/Operators/IncrementDecrementUsageSniff.php

@@ -74,7 +74,8 @@ protected function processIncDec($phpcsFile, $stackPtr)
         // start looking for other operators.
         if ($tokens[($stackPtr - 1)]['code'] === T_VARIABLE
             || ($tokens[($stackPtr - 1)]['code'] === T_STRING
-            && $tokens[($stackPtr - 2)]['code'] === T_OBJECT_OPERATOR)
+            && ($tokens[($stackPtr - 2)]['code'] === T_OBJECT_OPERATOR
+            || $tokens[($stackPtr - 2)]['code'] === T_NULLSAFE_OBJECT_OPERATOR))
         ) {
             $start = ($stackPtr + 1);
         } else {

src/Standards/Squiz/Tests/Operators/IncrementDecrementUsageUnitTest.inc

@@ -37,4 +37,6 @@ $var = (1 + $var);
 $expected[$i]['sort_order'] = ($i + 1);
 $expected[($i + 1)]['sort_order'] = ($i + 1);
 
-$id = $id.($this->i++).$id;
+$id = $id.($obj->i++).$id;
+$id = $obj?->i++.$id;
+$id = $obj?->i++*10;

src/Standards/Squiz/Tests/Operators/IncrementDecrementUsageUnitTest.php

@@ -35,6 +35,8 @@ public function getErrorList()
             27 => 1,
             29 => 1,
             31 => 1,
+            41 => 1,
+            42 => 1,
         ];
 
     }//end getErrorList()