Enhancement: Use no_explicit_use_of_code_block_php rule

doc/.doctor-rst.yaml

@@ -17,6 +17,7 @@ rules:
     no_blank_line_after_filepath_in_xml_code_block: ~
     no_blank_line_after_filepath_in_yaml_code_block: ~
     no_composer_req: ~
+    no_explicit_use_of_code_block_php: ~
     no_inheritdoc: ~
     no_namespace_after_use_statements: ~
     no_php_open_tag_in_code_block_php_directive: ~

doc/filters/date.rst

@@ -53,9 +53,7 @@ date, use a ternary operator:
 If no format is provided, Twig will use the default one: ``F j, Y H:i``. This
 default can be changed by calling the ``setDateFormat()`` method on the
 ``core`` extension instance. The first argument is the default format for
-dates and the second one is the default format for date intervals:
-
-.. code-block:: php
+dates and the second one is the default format for date intervals::
 
     $twig = new \Twig\Environment($loader);
     $twig->getExtension('\Twig\Extension\CoreExtension')->setDateFormat('d/m/Y', '%d days');
@@ -81,9 +79,7 @@ timezone, pass ``false`` as the timezone value:
 
     {{ post.published_at|date("m/d/Y", false) }}
 
-The default timezone can also be set globally by calling ``setTimezone()``:
-
-.. code-block:: php
+The default timezone can also be set globally by calling ``setTimezone()``::
 
     $twig = new \Twig\Environment($loader);
     $twig->getExtension('\Twig\Extension\CoreExtension')->setTimezone('Europe/Paris');

doc/filters/escape.rst

@@ -104,9 +104,7 @@ Custom Escapers
 
 You can define custom escapers by calling the ``setEscaper()`` method on the
 ``core`` extension instance. The first argument is the escaper name (to be
-used in the ``escape`` call) and the second one must be a valid PHP callable:
-
-.. code-block:: php
+used in the ``escape`` call) and the second one must be a valid PHP callable::
 
     $twig = new \Twig\Environment($loader);
     $twig->getExtension('\Twig\Extension\CoreExtension')->setEscaper('csv', 'csv_escaper');

doc/filters/number_format.rst

@@ -34,9 +34,7 @@ options of:
 * ``.`` as the decimal point.
 * ``,`` as the thousands separator.
 
-These defaults can be changed through the core extension:
-
-.. code-block:: php
+These defaults can be changed through the core extension::
 
     $twig = new \Twig\Environment($loader);
     $twig->getExtension('\Twig\Extension\CoreExtension')->setNumberFormat(3, '.', ',');

doc/functions/date.rst

@@ -38,9 +38,7 @@ If no argument is passed, the function returns the current date:
 .. note::
 
     You can set the default timezone globally by calling ``setTimezone()`` on
-    the ``core`` extension instance:
-
-    .. code-block:: php
+    the ``core`` extension instance::
 
         $twig = new \Twig\Environment($loader);
         $twig->getExtension('\Twig\Extension\CoreExtension')->setTimezone('Europe/Paris');

doc/intro.rst

@@ -46,9 +46,7 @@ The recommended way to install Twig is via Composer:
 Basic API Usage
 ---------------
 
-This section gives you a brief introduction to the PHP API for Twig.
-
-.. code-block:: php
+This section gives you a brief introduction to the PHP API for Twig::
 
     require_once '/path/to/vendor/autoload.php';
 

doc/recipes.rst

@@ -559,9 +559,7 @@ include in your templates:
             $interpolateProvider.startSymbol('{[').endSymbol(']}');
         });
 
-  * For Twig, change the delimiters via the ``tag_variable`` Lexer option:
-
-    ..  code-block:: php
+  * For Twig, change the delimiters via the ``tag_variable`` Lexer option::
 
         $env->setLexer(new \Twig\Lexer($env, [
             'tag_variable' => ['{[', ']}'],