php-doc-en/reference/cubrid/functions/cubrid-num-cols.xml

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<refentry xml:id="function.cubrid-num-cols" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>cubrid_num_cols</refname>
  <refpurpose>Is used to get the number of columns</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>int</type><methodname>cubrid_num_cols</methodname>
   <methodparam><type>resource</type><parameter>req_identifier</parameter></methodparam>  
  </methodsynopsis>
  <para>
    The <function>cubrid_num_cols</function> function is used to get the number of columns from the query result.  It can only be used when the query executed is a select sentence.
  </para>
</refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
  <variablelist>
    <varlistentry>
  <term><parameter>req_identifier</parameter></term>
  <listitem><para>Request identifier.</para></listitem>
   </varlistentry>
  </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
    Number of columns, when process is successful.
  </para>
    <para>
    -1, if SQL sentence is not SELECT.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title><function>cubrid_num_cols</function> example</title>
   <programlisting role="php">
<![CDATA[
<?php
$req = cubrid_execute ($con, "select * from member");
if ($req) {
  $rows_count = cubrid_num_rows ($req);
  $cols_count = cubrid_num_cols ($req);
  echo "result set rows count : $rows\n";
  echo "result set columns count : $cols\n";
  cubrid_close_request ($req);
}
?>
]]>
   </programlisting>
  </example>
 </refsect1>

    <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>cubrid_execute</function></member>  
    <member><function>cubrid_num_rows</function></member>  
   </simplelist>
  </para>
  </refsect1>

</refentry>

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