Merge branch '5.3' into 5.4

* 5.3:
  Document the option to map PHP errors to log levels
  [HttpClient] Add a note about concurrent requests

Author: javiereguiluz

http_client.rst

@@ -1097,6 +1097,13 @@ first and be read later on. This will allow the client to monitor all pending
 requests while your code waits for a specific one, as done in each iteration of
 the above "foreach" loop.
 
+.. note::
+
+    The maximum number of concurrent requests that you can perform depends on
+    the resources of your machine (e.g. your operating system may limit the
+    number of simultaneous reads of the file that stores the certificates
+    file). Make your requests in batches to avoid these issues.
+
 Multiplexing Responses
 ~~~~~~~~~~~~~~~~~~~~~~
 

reference/configuration/framework.rst

@@ -2845,6 +2845,69 @@ Use the application logger instead of the PHP logger for logging PHP errors.
 When an integer value is used, it also sets the log level. Those integer
 values must be the same used in the `error_reporting PHP option`_.
 
+This option also accepts a map of PHP errors to log levels:
+
+.. configuration-block::
+
+    .. code-block:: yaml
+
+        # config/packages/framework.yaml
+        framework:
+            php_errors:
+                log:
+                    '!php/const \E_DEPRECATED': !php/const Psr\Log\LogLevel::ERROR
+                    '!php/const \E_USER_DEPRECATED': !php/const Psr\Log\LogLevel::ERROR
+                    '!php/const \E_NOTICE': !php/const Psr\Log\LogLevel::ERROR
+                    '!php/const \E_USER_NOTICE': !php/const Psr\Log\LogLevel::ERROR
+                    '!php/const \E_STRICT': !php/const Psr\Log\LogLevel::ERROR
+                    '!php/const \E_WARNING': !php/const Psr\Log\LogLevel::ERROR
+                    '!php/const \E_USER_WARNING': !php/const Psr\Log\LogLevel::ERROR
+                    '!php/const \E_COMPILE_WARNING': !php/const Psr\Log\LogLevel::ERROR
+                    '!php/const \E_CORE_WARNING': !php/const Psr\Log\LogLevel::ERROR
+                    '!php/const \E_USER_ERROR': !php/const Psr\Log\LogLevel::CRITICAL
+                    '!php/const \E_RECOVERABLE_ERROR': !php/const Psr\Log\LogLevel::CRITICAL
+                    '!php/const \E_COMPILE_ERROR': !php/const Psr\Log\LogLevel::CRITICAL
+                    '!php/const \E_PARSE': !php/const Psr\Log\LogLevel::CRITICAL
+                    '!php/const \E_ERROR': !php/const Psr\Log\LogLevel::CRITICAL
+                    '!php/const \E_CORE_ERROR': !php/const Psr\Log\LogLevel::CRITICAL
+
+    .. code-block:: xml
+
+        <!-- config/packages/framework.xml -->
+        <?xml version="1.0" encoding="UTF-8" ?>
+        <container xmlns="http://symfony.com/schema/dic/services"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xmlns:framework="http://symfony.com/schema/dic/symfony"
+            xsi:schemaLocation="http://symfony.com/schema/dic/services
+                https://symfony.com/schema/dic/services/services-1.0.xsd
+                http://symfony.com/schema/dic/symfony https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
+
+            <framework:config>
+                <!-- in XML configuration you cannot use PHP constants as the value of
+                     the 'type' attribute, which makes this format way less readable.
+                     Consider using YAML or PHP for this configuration -->
+                <framework:log type="8" logLevel="error"/>
+                <framework:log type="2" logLevel="error"/>
+                <!-- ... -->
+            </framework:config>
+        </container>
+
+    .. code-block:: php
+
+        // config/packages/framework.php
+        use Psr\Log\LogLevel;
+        use Symfony\Config\FrameworkConfig;
+
+        return static function (FrameworkConfig $framework) {
+            $framework->phpErrors()->log(\E_DEPRECATED, LogLevel::ERROR);
+            $framework->phpErrors()->log(\E_USER_DEPRECATED, LogLevel::ERROR);
+            // ...
+        };
+
+.. versionadded:: 5.3
+
+    The option to map PHP errors to log levels was introduced in Symfony 5.3.
+
 throw
 .....