[TASK] Add more PHP-CS-Fixer rules

Also drop some rules that are already in included in the used
rulesets.

config/php-cs-fixer.php

@@ -22,19 +22,76 @@
             // overwrite the PER2 defaults to restore compatibility with PHP 7.x
             'trailing_comma_in_multiline' => ['elements' => ['arrays']],
 
-            // for `in_array` & friends
-            'strict_param' => true,
+            // casing
+            'magic_constant_casing' => true,
+            'native_function_casing' => true,
+
+            // cast notation
+            'modernize_types_casting' => true,
+            'no_short_bool_cast' => true,
+
+            // class notation
+            'no_php4_constructor' => true,
+
+            // comment
+            'no_empty_comment' => true,
+
+            // control structure
+            'yoda_style' => ['equal' => false, 'identical' => false, 'less_and_greater' => false],
+
+            // function notation
+            'native_function_invocation' => ['include' => ['@all']],
+
+            // import
+            'no_unused_imports' => true,
+
+            // language construct
+            'combine_consecutive_issets' => true,
+            'combine_consecutive_unsets' => true,
+            'dir_constant' => true,
+            'is_null' => true,
+
+            // namespace notation
+            'no_leading_namespace_whitespace' => true,
 
+            // operator
+            'standardize_not_equals' => true,
+            'ternary_to_null_coalescing' => true,
+
+            // PHP tag
+            'linebreak_after_opening_tag' => true,
+
+            // PHPUnit
             'php_unit_construct' => true,
             'php_unit_dedicate_assert' => ['target' => 'newest'],
             'php_unit_expectation' => ['target' => 'newest'],
             'php_unit_fqcn_annotation' => true,
-            'php_unit_method_casing' => true,
-            'php_unit_mock' => ['target' => 'newest'],
             'php_unit_mock_short_will_return' => true,
-            'php_unit_namespaced' => ['target' => 'newest'],
             'php_unit_set_up_tear_down_visibility' => true,
             'php_unit_test_annotation' => ['style' => 'annotation'],
             'php_unit_test_case_static_method_calls' => ['call_type' => 'self'],
+
+            // PHPDoc
+            'no_blank_lines_after_phpdoc' => true,
+            'no_empty_phpdoc' => true,
+            'phpdoc_indent' => true,
+            'phpdoc_no_package' => true,
+            'phpdoc_trim' => true,
+            'phpdoc_types_order' => ['null_adjustment' => 'always_last', 'sort_algorithm' => 'none'],
+
+            // return notation
+            'no_useless_return' => true,
+
+            // semicolon
+            'no_empty_statement' => true,
+            'no_singleline_whitespace_before_semicolons' => true,
+            'semicolon_after_instruction' => true,
+
+            // strict
+            // 'declare_strict_types' => true, // Note: We'll need to add some casts first.
+            'strict_param' => true,
+
+            // string notation
+            'string_implicit_backslashes' => ['single_quoted' => 'escape'],
         ]
     );