Moded a example code

Author: SakiTakamachi

reference/bc/bcmath/number/div.xml

@@ -55,44 +55,8 @@
     <property>BcMath\Number::scale</property> is reduced by that amount.
     The <property>BcMath\Number::scale</property> will never be less than the
     <property>BcMath\Number::scale</property> before expansion.
+    See also the <link linkend="bcmath-number.div.example.expansion-scale">code example</link>.
   </simpara>
-  <example>
-   <title>Example of <property>BcMath\Number::scale</property> of result object</title>
-   <programlisting role="php">
-<![CDATA[
-<?php
-var_dump(
-    new BcMath\Number('0.001')->div('10001'),
-    new BcMath\Number('0.001')->div('10001', 13),
-    new BcMath\Number('0.001')->div('100000000000001'),
-);
-?>
-]]>
-   </programlisting>
-   &example.outputs;
-   <screen>
-<![CDATA[
-object(BcMath\Number)#2 (2) {
-  ["value"]=>
-  string(13) "0.00000009999"
-  ["scale"]=>
-  int(11)
-}
-object(BcMath\Number)#3 (2) {
-  ["value"]=>
-  string(15) "0.0000000999900"
-  ["scale"]=>
-  int(13)
-}
-object(BcMath\Number)#4 (2) {
-  ["value"]=>
-  string(5) "0.000"
-  ["scale"]=>
-  int(3)
-}
-]]>
-   </screen>
-  </example>
  </refsect1>
 
  <refsect1 role="errors">
@@ -201,6 +165,44 @@ object(BcMath\Number)#4 (2) {
   ["scale"]=>
   int(2)
 }
+]]>
+   </screen>
+  </example>
+
+  <example xml:id="bcmath-number.div.example.expansion-scale">
+   <title><methodname>BcMath\Number::div</methodname> example of expansioning <property>BcMath\Number::scale</property> of result object</title>
+   <programlisting role="php">
+<![CDATA[
+<?php
+var_dump(
+    new BcMath\Number('0.001')->div('10001'),
+    new BcMath\Number('0.001')->div('10001', 13),
+    new BcMath\Number('0.001')->div('100000000000001'),
+);
+?>
+]]>
+   </programlisting>
+   &example.outputs;
+   <screen>
+<![CDATA[
+object(BcMath\Number)#2 (2) {
+  ["value"]=>
+  string(13) "0.00000009999"
+  ["scale"]=>
+  int(11)
+}
+object(BcMath\Number)#3 (2) {
+  ["value"]=>
+  string(15) "0.0000000999900"
+  ["scale"]=>
+  int(13)
+}
+object(BcMath\Number)#4 (2) {
+  ["value"]=>
+  string(5) "0.000"
+  ["scale"]=>
+  int(3)
+}
 ]]>
    </screen>
   </example>