php-doc-en/reference/mysqli/mysqli_stmt/sqlstate.xml

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<refentry xml:id="mysqli-stmt.sqlstate" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>mysqli_stmt::$sqlstate</refname>
  <refname>mysqli_stmt_sqlstate</refname>
  <refpurpose>Returns SQLSTATE error from previous statement operation</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <para>&style.oop;</para>
  <fieldsynopsis><type>string</type><varname linkend="mysqli-stmt.sqlstate">mysqli_stmt-&gt;sqlstate</varname></fieldsynopsis>
  <para>&style.procedural;</para>
  <methodsynopsis>
   <type>string</type><methodname>mysqli_stmt_sqlstate</methodname>
   <methodparam><type>mysqli_stmt</type><parameter>statement</parameter></methodparam>
  </methodsynopsis>
  <para>
   Returns a string containing the SQLSTATE error code
   for the most recently invoked prepared statement function that can succeed or fail.
   The error code consists of five characters. <literal>'00000'</literal> means no error.
   The values are specified by ANSI SQL and ODBC. For a list of possible values, see
   <link xlink:href="&url.mysql.docs.error;">&url.mysql.docs.error;</link>.
  </para>
 </refsect1>

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

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns a string containing the SQLSTATE error code for the last error.
   The error code consists of five characters. <literal>'00000'</literal> means no error.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title>&style.oop;</title>
   <programlisting role="php">
<![CDATA[
<?php
/* Open a connection */
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");

/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

$mysqli->query("CREATE TABLE myCountry LIKE Country");
$mysqli->query("INSERT INTO myCountry SELECT * FROM Country");


$query = "SELECT Name, Code FROM myCountry ORDER BY Name";
if ($stmt = $mysqli->prepare($query)) {

    /* drop table */
    $mysqli->query("DROP TABLE myCountry");

    /* execute query */
    $stmt->execute();

    printf("Error: %s.\n", $stmt->sqlstate);

    /* close statement */
    $stmt->close();
}

/* close connection */
$mysqli->close();
?>
]]>
   </programlisting>
  </example>
  <example>
   <title>&style.procedural;</title>
   <programlisting role="php">
<![CDATA[
<?php
/* Open a connection */
$link = mysqli_connect("localhost", "my_user", "my_password", "world");

/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

mysqli_query($link, "CREATE TABLE myCountry LIKE Country");
mysqli_query($link, "INSERT INTO myCountry SELECT * FROM Country");


$query = "SELECT Name, Code FROM myCountry ORDER BY Name";
if ($stmt = mysqli_prepare($link, $query)) {

    /* drop table */
    mysqli_query($link, "DROP TABLE myCountry");

    /* execute query */
    mysqli_stmt_execute($stmt);

    printf("Error: %s.\n", mysqli_stmt_sqlstate($stmt));

    /* close statement */
    mysqli_stmt_close($stmt);
}

/* close connection */
mysqli_close($link);
?>
]]>
   </programlisting>
   &examples.outputs;
   <screen>
<![CDATA[
Error: 42S02.
]]>
   </screen>
  </example>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  <note>
   <para>
    Note that not all MySQL errors are yet mapped to SQLSTATE's.
    The value <literal>HY000</literal> (general error) is used for unmapped errors.
   </para>
  </note>
 </refsect1>

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

</refentry>
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