mirror of
https://github.com/sigmasternchen/php-doc-en
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008a657c1a
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@172550 c90b9560-bf6c-de11-be94-00142212c4b1
127 lines
3.5 KiB
XML
127 lines
3.5 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.13 $ -->
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<refentry id="function.mysqli-errno">
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<refnamediv>
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<refname>mysqli_errno</refname>
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<refname>mysqli->errno</refname>
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<refpurpose>Returns the error code for the most recent function call</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<para>Procedural style:</para>
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<methodsynopsis>
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<type>int</type><methodname>mysqli_errno</methodname>
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<methodparam><type>mysqli</type><parameter>link</parameter></methodparam>
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</methodsynopsis>
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<para>Object oriented style (property):</para>
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<classsynopsis>
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<ooclass><classname>mysqli</classname></ooclass>
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<fieldsynopsis><type>int</type><varname>errno</varname></fieldsynopsis>
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</classsynopsis>
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<para>
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The <function>mysqli_errno</function> function will return the last error code for
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the most recent MySQLi function call that can succeed or fail with respect to the
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database link defined by the <parameter>link</parameter> parameter. If no errors
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have occured, this function will return zero.
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</para>
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<note>
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<para>
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Client error message numbers are listed in the MySQL <filename>errmsg.h</filename> header file,
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server error message numbers are listed in <filename>mysqld_error.h</filename>.
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In the MySQL source distribution you can find a complete list of error messages and error numbers
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in the file <filename>Docs/mysqld_error.txt</filename>.
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</para>
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</note>
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</refsect1>
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<refsect1>
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&reftitle.returnvalues;
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<para>
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An error code value for the last call, if it failed. zero means no error occurred.
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</para>
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</refsect1>
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<refsect1>
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&reftitle.seealso;
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<para>
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<function>mysqli_connect_errno</function>,
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<function>mysqli_connect_error</function>,
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<function>mysqli_error</function>&listendand;
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<function>mysqli_sqlstate</function>.
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</para>
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</refsect1>
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<refsect1>
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&reftitle.examples;
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<example>
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<title>Object oriented style</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
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/* check connection */
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if (mysqli_connect_errno()) {
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printf("Connect failed: %s\n", mysqli_connect_error());
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exit();
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}
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if (!$mysqli->query("SET a=1")) {
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printf("Errorcode: %d\n", $mysqli->errno);
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}
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/* close connection */
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$mysqli->close();
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?>
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]]>
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</programlisting>
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</example>
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<example>
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<title>Procedural style</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$link = mysqli_connect("localhost", "my_user", "my_password", "world");
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/* check connection */
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if (mysqli_connect_errno()) {
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printf("Connect failed: %s\n", mysqli_connect_error());
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exit();
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}
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if (!mysqli_query($link, "SET a=1")) {
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printf("Errorcode: %d\n", mysqli_errno($link));
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}
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/* close connection */
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mysqli_close($link);
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?>
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]]>
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</programlisting>
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</example>
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&example.outputs;
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<screen>
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<![CDATA[
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Errorcode: 1193
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]]>
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</screen>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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