wimg / PHPCompatibility

        }

        // Check if the variable found is at the right level. Deeper levels are always an error.

        if (isset($tokens[$hasVariable]['nested_parenthesis'])

            && count($tokens[$hasVariable]['nested_parenthesis']) !== $targetNestingLevel

        ) {

                return false;

        }

        // Ok, so the first variable is at the right level, now are there any

        // blacklisted tokens within the empty() ?

                }

                $targetNestingLevel = 0;

                if (isset($tokens[$stackPtr]['nested_parenthesis']) == true) {

                    $targetNestingLevel = count($tokens[$stackPtr]['nested_parenthesis']);

                }

                // Examine each variable/constant in multi-declarations.

                $start = $stackPtr;