Added standard Scrutinizer config

Author: helpfulrobot

.scrutinizer.yml

@@ -0,0 +1,69 @@
+inherit: true
+
+checks:
+  php:
+    verify_property_names: true
+    verify_argument_usable_as_reference: true
+    verify_access_scope_valid: true
+    useless_calls: true
+    use_statement_alias_conflict: true
+    variable_existence: true
+    unused_variables: true
+    unused_properties: true
+    unused_parameters: true
+    unused_methods: true
+    unreachable_code: true
+    too_many_arguments: true
+    sql_injection_vulnerabilities: true
+    simplify_boolean_return: true
+    side_effects_or_types: true
+    security_vulnerabilities: true
+    return_doc_comments: true
+    return_doc_comment_if_not_inferrable: true
+    require_scope_for_properties: true
+    require_scope_for_methods: true
+    require_php_tag_first: true
+    psr2_switch_declaration: true
+    psr2_class_declaration: true
+    property_assignments: true
+    prefer_while_loop_over_for_loop: true
+    precedence_mistakes: true
+    precedence_in_conditions: true
+    phpunit_assertions: true
+    php5_style_constructor: true
+    parse_doc_comments: true
+    parameter_non_unique: true
+    parameter_doc_comments: true
+    param_doc_comment_if_not_inferrable: true
+    optional_parameters_at_the_end: true
+    one_class_per_file: true
+    no_unnecessary_if: true
+    no_trailing_whitespace: true
+    no_property_on_interface: true
+    no_non_implemented_abstract_methods: true
+    no_error_suppression: true
+    no_duplicate_arguments: true
+    no_commented_out_code: true
+    newline_at_end_of_file: true
+    missing_arguments: true
+    method_calls_on_non_object: true
+    instanceof_class_exists: true
+    foreach_traversable: true
+    fix_line_ending: true
+    fix_doc_comments: true
+    duplication: true
+    deprecated_code_usage: true
+    deadlock_detection_in_loops: true
+    code_rating: true
+    closure_use_not_conflicting: true
+    catch_class_exists: true
+    blank_line_after_namespace_declaration: false
+    avoid_multiple_statements_on_same_line: true
+    avoid_duplicate_types: true
+    avoid_conflicting_incrementers: true
+    avoid_closing_tag: true
+    assignment_of_null_return: true
+    argument_type_checks: true
+
+filter:
+  paths: [code/*, tests/*]