Match return value section with signature

Cf. <https://github.com/php/doc-en/pull/1918>.

language-snippets.ent

@@ -1410,7 +1410,9 @@ The function modifies this object.</para></listitem></varlistentry>'>
 returned by <function>timezone_open</function></para></listitem></varlistentry>'>
 
 <!ENTITY date.datetime.return.modifiedobjectorfalseforfailure 'Returns the modified <classname xmlns="http://docbook.org/ns/docbook">DateTime</classname> object for method chaining&return.falseforfailure;.'>
+<!ENTITY date.datetime.return.modifiedobject 'Returns the modified <classname xmlns="http://docbook.org/ns/docbook">DateTime</classname> object for method chaining.'>
 <!ENTITY date.datetimeimmutable.return.modifiedobjectorfalseforfailure 'Returns a new <classname xmlns="http://docbook.org/ns/docbook">DateTimeImmutable</classname> object with the modified data &return.falseforfailure;.'>
+<!ENTITY date.datetimeimmutable.return.modifiedobject 'Returns a new <classname xmlns="http://docbook.org/ns/docbook">DateTimeImmutable</classname> object with the modified data.'>
 
 <!ENTITY date.timezone.dbversion 'This list is based upon the timezone database version'>
 

reference/datetime/datetime/add.xml

@@ -58,7 +58,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &date.datetime.return.modifiedobjectorfalseforfailure;
+   &date.datetime.return.modifiedobject;
   </para>
  </refsect1>
 

reference/datetime/datetime/setdate.xml

@@ -72,7 +72,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &date.datetime.return.modifiedobjectorfalseforfailure;
+   &date.datetime.return.modifiedobject;
   </para>
  </refsect1>
 

reference/datetime/datetime/setisodate.xml

@@ -73,7 +73,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &date.datetime.return.modifiedobjectorfalseforfailure;
+   &date.datetime.return.modifiedobject;
   </para>
  </refsect1>
 

reference/datetime/datetime/settime.xml

@@ -82,7 +82,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &date.datetime.return.modifiedobjectorfalseforfailure;
+   &date.datetime.return.modifiedobject;
   </para>
  </refsect1>
 

reference/datetime/datetime/settimestamp.xml

@@ -54,7 +54,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &date.datetime.return.modifiedobjectorfalseforfailure;
+   &date.datetime.return.modifiedobject;
   </para>
  </refsect1>
 

reference/datetime/datetime/sub.xml

@@ -58,7 +58,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &date.datetime.return.modifiedobjectorfalseforfailure;
+   &date.datetime.return.modifiedobject;
   </para>
  </refsect1>
 

reference/datetime/datetimeimmutable/add.xml

@@ -40,7 +40,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &date.datetimeimmutable.return.modifiedobjectorfalseforfailure;
+   &date.datetimeimmutable.return.modifiedobject;
   </para>
  </refsect1>
 

reference/datetime/datetimeimmutable/setdate.xml

@@ -54,7 +54,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &date.datetimeimmutable.return.modifiedobjectorfalseforfailure;
+   &date.datetimeimmutable.return.modifiedobject;
   </para>
  </refsect1>
 

reference/datetime/datetimeimmutable/setisodate.xml

@@ -53,7 +53,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &date.datetimeimmutable.return.modifiedobjectorfalseforfailure;
+   &date.datetimeimmutable.return.modifiedobject;
   </para>
  </refsect1>
 

reference/datetime/datetimeimmutable/settime.xml

@@ -61,7 +61,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &date.datetimeimmutable.return.modifiedobjectorfalseforfailure;
+   &date.datetimeimmutable.return.modifiedobject;
   </para>
  </refsect1>
 

reference/datetime/datetimeimmutable/settimestamp.xml

@@ -37,7 +37,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &date.datetimeimmutable.return.modifiedobjectorfalseforfailure;
+   &date.datetimeimmutable.return.modifiedobject;
   </para>
  </refsect1>
 

reference/datetime/datetimeimmutable/sub.xml

@@ -40,7 +40,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &date.datetimeimmutable.return.modifiedobjectorfalseforfailure;
+   &date.datetimeimmutable.return.modifiedobject;
   </para>
  </refsect1>