reference/mysqli/mysqli/info.xml
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015aa90a1c72fbf17257d4094a696a326d2da1d7
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<!-- $Revision$ -->
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<refentry xml:id="mysqli.info" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>mysqli->info</refname>
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<refname>mysqli::$info</refname>
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<refname>mysqli_info</refname>
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<refpurpose>Retrieves information about the most recently executed query</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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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>string</type><varname>info</varname></fieldsynopsis>
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</classsynopsis>
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<para>Procedural style:</para>
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<para>&style.oop;</para>
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<fieldsynopsis><type class="union"><type>string</type><type>null</type></type><varname linkend="mysqli.info">mysqli->info</varname></fieldsynopsis>
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<para>&style.procedural;</para>
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<methodsynopsis>
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<type>string</type><methodname>mysqli_info</methodname>
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<methodparam><type>mysqli</type><parameter>link</parameter></methodparam>
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<type class="union"><type>string</type><type>null</type></type><methodname>mysqli_info</methodname>
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<methodparam><type>mysqli</type><parameter>mysql</parameter></methodparam>
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</methodsynopsis>
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<para>
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The <function>mysqli_info</function> function returns a string providing
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provided below:
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</para>
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<para>
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<table>
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<table xml:id="mysqli.info.description">
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<title>Possible mysqli_info return values</title>
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<tgroup cols='2'>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>Query type</entry>
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</para>
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<note>
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<para>
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Queries which do not fall into one of the above formats are not supported.
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Queries which do not fall into one of the preceding formats are not supported.
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In these situations, <function>mysqli_info</function> will return an empty string.
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</para>
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</note>
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<refsect1 role="examples">
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&reftitle.examples;
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<example>
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<title>Object oriented style</title>
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<title><varname>$mysqli->info</varname> example</title>
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<para>&style.oop;</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
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/* check connection */
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if (mysqli_connect_errno()) {
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printf("Connect failed: %s\n", mysqli_connect_error());
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exit();
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}
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mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
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$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
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$mysqli->query("CREATE TEMPORARY TABLE t1 LIKE City");
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/* INSERT INTO .. SELECT */
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/* INSERT INTO ... SELECT */
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$mysqli->query("INSERT INTO t1 SELECT * FROM City ORDER BY ID LIMIT 150");
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printf("%s\n", $mysqli->info);
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/* close connection */
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$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>
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<para>&style.procedural;</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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$link = mysqli_connect("localhost", "my_user", "my_password", "world");
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/* check connection */
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if (mysqli_connect_errno()) {
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printf("Connect failed: %s\n", mysqli_connect_error());
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exit();
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}
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mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
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$link = mysqli_connect("localhost", "my_user", "my_password", "world");
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mysqli_query($link, "CREATE TEMPORARY TABLE t1 LIKE City");
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/* INSERT INTO .. SELECT */
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/* INSERT INTO ... SELECT */
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mysqli_query($link, "INSERT INTO t1 SELECT * FROM City ORDER BY ID LIMIT 150");
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printf("%s\n", mysqli_info($link));
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/* close connection */
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mysqli_close($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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&examples.outputs;
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<screen>
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<![CDATA[
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Records: 150 Duplicates: 0 Warnings: 0
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]]>
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</screen>
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</screen>
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</example>
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</refsect1>
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<refsect1 role="seealso">
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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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