<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="mysqli-stmt.field-count" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>mysqli_stmt::$field_count</refname>
  <refname>mysqli_stmt_field_count</refname>
  <refpurpose>Returns the number of columns in the given statement</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <para>&style.oop;</para>
  <fieldsynopsis><type>int</type><varname linkend="mysqli-stmt.field-count">mysqli_stmt-&gt;field_count</varname></fieldsynopsis>
  <para>&style.procedural;</para>
  <methodsynopsis>
   <type>int</type><methodname>mysqli_stmt_field_count</methodname>
   <methodparam><type>mysqli_stmt</type><parameter>statement</parameter></methodparam>
  </methodsynopsis>
  <para>
   Returns the number of columns in the prepared statement.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    &mysqli.stmt.description;
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns an integer representing the number of columns.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title>&style.oop;</title>
   <programlisting role="php">
<![CDATA[
<?php

mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");

$code = 'FR';

$stmt = $mysqli->prepare("SELECT Name FROM Country WHERE Code=?");
$stmt->bind_param('s', $code);
$stmt->execute();
$row = $stmt->get_result()->fetch_row();
for ($i = 0; $i < $stmt->field_count; $i++) {
    printf("Value of column number %d is %s", $i, $row[$i]);
}
]]>
   </programlisting>
  </example>
  <example>
   <title>&style.procedural;</title>
   <programlisting role="php">
<![CDATA[
<?php

mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$mysqli = mysqli_connect("localhost", "my_user", "my_password", "world");

$code = 'FR';

$stmt = mysqli_prepare($mysqli, "SELECT Name FROM Country WHERE Code=?");
mysqli_stmt_bind_param($stmt, 's', $code);
mysqli_stmt_execute($stmt);
$result = mysqli_stmt_get_result($stmt);
$row = mysqli_fetch_row($result);
for ($i = 0; $i < mysqli_stmt_field_count($stmt); $i++) {
    printf("Value of column number %d is %s", $i, $row[$i]);
}
]]>
   </programlisting>
   &examples.outputs.similar;
   <screen>
<![CDATA[
Value of column number 0 is France
]]>
   </screen>
  </example>
 </refsect1>

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

</refentry>
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