reference/mysqli/mysqli/get-proto-info.xml
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3e82f503089be04094e8989486ed245d6b6e1a6b
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<!-- $Revision$ -->
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<refentry xml:id="mysqli.get-proto-info" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>mysqli->protocol_version</refname>
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<refname>mysqli::$protocol_version</refname>
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<refname>mysqli_get_proto_info</refname>
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<refpurpose>Returns the version of the MySQL protocol used</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>protocol_version</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>int</type><varname linkend="mysqli.get-proto-info">mysqli->protocol_version</varname></fieldsynopsis>
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<para>&style.procedural;</para>
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<methodsynopsis>
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<type>int</type><methodname>mysqli_get_proto_info</methodname>
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<methodparam><type>mysqli</type><parameter>link</parameter></methodparam>
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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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Returns an integer representing the MySQL protocol version used by the
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connection represented by the <parameter>link</parameter> parameter.
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connection represented by the <parameter>mysql</parameter> parameter.
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</para>
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</refsect1>
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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->protocol_version</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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$mysqli = new mysqli("localhost", "my_user", "my_password");
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/* check connection */
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if (mysqli_connect_errno()) {
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printf("Connect failed: %s\n", mysqli_connect_error());
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exit();
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}
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mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
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$mysqli = new mysqli("localhost", "my_user", "my_password");
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/* print protocol version */
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printf("Protocol version: %d\n", $mysqli->protocol_version);
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/* close connection */
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$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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$link = mysqli_connect("localhost", "my_user", "my_password");
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/* check connection */
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if (mysqli_connect_errno()) {
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printf("Connect failed: %s\n", mysqli_connect_error());
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exit();
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}
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mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
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$link = mysqli_connect("localhost", "my_user", "my_password");
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/* print protocol version */
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printf("Protocol version: %d\n", mysqli_get_proto_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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Protocol version: 10
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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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