symfony
diff --git a/‎src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php
+5Lines changed: 5 additions & 0 deletions b/‎src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php
+5Lines changed: 5 additions & 0 deletions
diff --git a/‎src/Symfony/Component/DependencyInjection/Tests/Fixtures/containers/container8.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/DependencyInjection/Tests/Fixtures/containers/container8.php
+11Lines changed: 11 additions & 0 deletions b/‎src/Symfony/Component/DependencyInjection/Tests/Fixtures/containers/container8.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/DependencyInjection/Tests/Fixtures/containers/container8.php
+11Lines changed: 11 additions & 0 deletions
diff --git a/‎src/Symfony/Component/DependencyInjection/Tests/Fixtures/xml/services8.xml
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+11Lines changed: 11 additions & 0 deletions b/‎src/Symfony/Component/DependencyInjection/Tests/Fixtures/xml/services8.xml
Copy file name to clipboardExpand all lines: src/Symfony/Component/DependencyInjection/Tests/Fixtures/xml/services8.xml
+11Lines changed: 11 additions & 0 deletions
@@ -304,6 +304,11 @@ private function convertParameters(array $parameters, $type, \DOMElement $parent
                 if (\in_array($value, ['null', 'true', 'false'], true)) {
                     $element->setAttribute('type', 'string');
                 }
+
+                if (\is_string($value) && (is_numeric($value) || preg_match('/^0b[01]*$/', $value) || preg_match('/^0x[0-9a-f]++$/i', $value))) {
+                    $element->setAttribute('type', 'string');
+                }
+
                 $text = $this->document->createTextNode(self::phpToXml($value));
                 $element->appendChild($text);
             }
 
@@ -9,6 +9,17 @@
     'bar' => 'foo is %%foo bar',
     'escape' => '@escapeme',
     'values' => [true, false, null, 0, 1000.3, 'true', 'false', 'null'],
+    'null string' => 'null',
+    'string of digits' => '123',
+    'string of digits prefixed with minus character' => '-123',
+    'true string' => 'true',
+    'false string' => 'false',
+    'binary number string' => '0b0110',
+    'numeric string' => '-1.2E2',
+    'hexadecimal number string' => '0xFF',
+    'float string' => '10100.1',
+    'positive float string' => '+10100.1',
+    'negative float string' => '-10100.1',
 ]));
 
 return $container;
@@ -18,6 +18,17 @@
       <parameter type="string">false</parameter>
       <parameter type="string">null</parameter>
     </parameter>
+    <parameter key="null string" type="string">null</parameter>
+    <parameter key="string of digits" type="string">123</parameter>
+    <parameter key="string of digits prefixed with minus character" type="string">-123</parameter>
+    <parameter key="true string" type="string">true</parameter>
+    <parameter key="false string" type="string">false</parameter>
+    <parameter key="binary number string" type="string">0b0110</parameter>
+    <parameter key="numeric string" type="string">-1.2E2</parameter>
+    <parameter key="hexadecimal number string" type="string">0xFF</parameter>
+    <parameter key="float string" type="string">10100.1</parameter>
+    <parameter key="positive float string" type="string">+10100.1</parameter>
+    <parameter key="negative float string" type="string">-10100.1</parameter>
   </parameters>
   <services>
     <service id="service_container" class="Symfony\Component\DependencyInjection\ContainerInterface" public="true" synthetic="true"/>
Original file line number	Diff line number	Diff line change
`@@ -304,6 +304,11 @@ private function convertParameters(array $parameters, $type, \DOMElement $parent`
`304`	`304`	`if (\in_array($value, ['null', 'true', 'false'], true)) {`
`305`	`305`	`$element->setAttribute('type', 'string');`
`306`	`306`	`}`
	`307`	`+`
	`308`	`+ if (\is_string($value) && (is_numeric($value) \|\| preg_match('/^0b[01]*$/', $value) \|\| preg_match('/^0x[0-9a-f]++$/i', $value))) {`
	`309`	`+ $element->setAttribute('type', 'string');`
	`310`	`+ }`
	`311`	`+`
`307`	`312`	`$text = $this->document->createTextNode(self::phpToXml($value));`
`308`	`313`	`$element->appendChild($text);`
`309`	`314`	`}`