Remove split() and ereg()

Closes GH-716.

reference/array/reference.xml

@@ -7,7 +7,7 @@
    &reftitle.seealso;
    <para>
     See also <function>is_array</function>, <function>explode</function>,
-    <function>implode</function>, <function>split</function>,
+    <function>implode</function>,
     <function>preg_split</function>, and <function>unset</function>.
    </para>
  </partintro>

reference/mbstring/overloading.xml

@@ -111,31 +111,6 @@
       <entry><function>substr_count</function></entry>
       <entry><function>mb_substr_count</function></entry>
      </row>
-     <row>
-      <entry>4</entry>
-      <entry><function>ereg</function></entry>
-      <entry><function>mb_ereg</function></entry>
-     </row>
-     <row>
-      <entry>4</entry>
-      <entry><function>eregi</function></entry>
-      <entry><function>mb_eregi</function></entry>
-     </row>
-     <row>
-      <entry>4</entry>
-      <entry><function>ereg_replace</function></entry>
-      <entry><function>mb_ereg_replace</function></entry>
-     </row>
-     <row>
-      <entry>4</entry>
-      <entry><function>eregi_replace</function></entry>
-      <entry><function>mb_eregi_replace</function></entry>
-     </row>
-     <row>
-      <entry>4</entry>
-      <entry><function>split</function></entry>
-      <entry><function>mb_split</function></entry>
-     </row>
     </tbody>
    </tgroup>
   </table>

reference/strings/functions/chunk-split.xml

@@ -84,7 +84,6 @@ $new_string = chunk_split(base64_encode($data));
    <simplelist>
     <member><function>str_split</function></member>
     <member><function>explode</function></member>
-    <member><function>split</function></member>
     <member><function>wordwrap</function></member>
     <member><link xlink:href="&url.rfc;2045">RFC 2045</link></member>
    </simplelist>

reference/strings/functions/quotemeta.xml

@@ -59,7 +59,6 @@
     <member><function>nl2br</function></member>
     <member><function>stripslashes</function></member>
     <member><function>stripcslashes</function></member>
-    <member><function>ereg</function></member>
     <member><function>preg_quote</function></member>
    </simplelist>
   </para>

reference/strings/functions/str-word-count.xml

@@ -184,7 +184,6 @@ Array
    <simplelist>
     <member><function>explode</function></member>
     <member><function>preg_split</function></member>
-    <member><function>split</function></member>
     <member><function>count_chars</function></member>
     <member><function>substr_count</function></member>
    </simplelist>

reference/strings/functions/strtok.xml

@@ -168,7 +168,6 @@ echo json_encode($parts),"\n";
   &reftitle.seealso;
   <para>
    <simplelist>
-    <member><function>split</function></member>
     <member><function>explode</function></member>
    </simplelist>
   </para>