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https://github.com/sigmasternchen/php-doc-en
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c030e2adf7
- All id attributes are now xml:id - Add docbook namespace to all root elements - Replace <ulink /> with <link xlink:href /> - Minor markup fixes here and there git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@238160 c90b9560-bf6c-de11-be94-00142212c4b1
232 lines
6.4 KiB
XML
232 lines
6.4 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.16 $ -->
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<refentry xml:id="function.mysqli-stmt-bind-param" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>mysqli_stmt_bind_param</refname>
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<refname>stmt->bind_param()</refname>
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<refpurpose>Binds variables to a prepared statement as parameters</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<para>Procedural style:</para>
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<methodsynopsis>
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<type>bool</type><methodname>mysqli_stmt_bind_param</methodname>
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<methodparam><type>mysqli_stmt</type><parameter>stmt</parameter></methodparam>
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<methodparam><type>string</type><parameter>types</parameter></methodparam>
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<methodparam><type>mixed</type><parameter role="reference">var1</parameter></methodparam>
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<methodparam choice="opt"><type>mixed</type><parameter role="reference">...</parameter></methodparam>
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</methodsynopsis>
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<para>Object oriented style (method):</para>
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<classsynopsis>
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<ooclass><classname>mysqli_stmt</classname></ooclass>
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<methodsynopsis>
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<type>bool</type><methodname>bind_param</methodname>
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<methodparam><type>string</type><parameter>types</parameter></methodparam>
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<methodparam><type>mixed</type><parameter role="reference">var1</parameter></methodparam>
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<methodparam choice="opt"><type>mixed</type><parameter role="reference">...</parameter></methodparam>
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</methodsynopsis>
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</classsynopsis>
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<para>
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Bind variables for the parameter markers in the SQL statement that was
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passed to <function>mysqli_prepare</function>.
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</para>
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<note>
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<para>
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If data size of a variable exceeds max. allowed packet size
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(max_allowed_packet), you have to specify <literal>b</literal> in
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<parameter>types</parameter> and use
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<function>mysqli_stmt_send_long_data</function> to send the data in packets.
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</para>
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</note>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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&mysqli.stmt.description;
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<varlistentry>
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<term><parameter>types</parameter></term>
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<listitem>
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<para>
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A string that contains one or more characters which specify the types
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for the corresponding bind variables:
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<table>
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<title>Type specification chars</title>
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<tgroup cols='2'>
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<thead>
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<row>
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<entry>Character</entry>
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<entry>Description</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>i</entry>
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<entry>corresponding variable has type integer</entry>
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</row>
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<row>
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<entry>d</entry>
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<entry>corresponding variable has type double</entry>
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</row>
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<row>
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<entry>s</entry>
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<entry>corresponding variable has type string</entry>
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</row>
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<row>
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<entry>b</entry>
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<entry>corresponding variable is a blob and will be sent in packets</entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>var1</parameter></term>
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<listitem>
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<para>
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The number of variables and length of string
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<parameter>types</parameter> must match the parameters in the statement.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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&return.success;
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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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<programlisting role="php">
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<![CDATA[
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<?php
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$mysqli = new mysqli('localhost', 'my_user', 'my_password', 'world');
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/* check connection */
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if (mysqli_connect_errno()) {
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printf("Connect failed: %s\n", mysqli_connect_error());
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exit();
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}
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$stmt = $mysqli->prepare("INSERT INTO CountryLanguage VALUES (?, ?, ?, ?)");
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$stmt->bind_param('sssd', $code, $language, $official, $percent);
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$code = 'DEU';
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$language = 'Bavarian';
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$official = "F";
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$percent = 11.2;
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/* execute prepared statement */
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$stmt->execute();
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printf("%d Row inserted.\n", $stmt->affected_rows);
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/* close statement and connection */
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$stmt->close();
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/* Clean up table CountryLanguage */
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$mysqli->query("DELETE FROM CountryLanguage WHERE Language='Bavarian'");
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printf("%d Row deleted.\n", $mysqli->affected_rows);
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/* close connection */
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$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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$link = mysqli_connect('localhost', 'my_user', 'my_password', 'world');
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/* check connection */
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if (!$link) {
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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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$stmt = mysqli_prepare($link, "INSERT INTO CountryLanguage VALUES (?, ?, ?, ?)");
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mysqli_stmt_bind_param($stmt, 'sssd', $code, $language, $official, $percent);
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$code = 'DEU';
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$language = 'Bavarian';
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$official = "F";
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$percent = 11.2;
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/* execute prepared statement */
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mysqli_stmt_execute($stmt);
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printf("%d Row inserted.\n", mysqli_stmt_affected_rows($stmt));
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/* close statement and connection */
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mysqli_stmt_close($stmt);
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/* Clean up table CountryLanguage */
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mysqli_query($link, "DELETE FROM CountryLanguage WHERE Language='Bavarian'");
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printf("%d Row deleted.\n", mysqli_affected_rows($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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<![CDATA[
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1 Row inserted.
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1 Row deleted.
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]]>
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</screen>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>mysqli_stmt_bind_result</function></member>
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<member><function>mysqli_stmt_execute</function></member>
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<member><function>mysqli_stmt_fetch</function></member>
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<member><function>mysqli_prepare</function></member>
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<member><function>mysqli_stmt_send_long_data</function></member>
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<member><function>mysqli_stmt_errno</function></member>
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<member><function>mysqli_stmt_error</function></member>
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</simplelist>
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</para>
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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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