mirror of
https://github.com/sigmasternchen/php-doc-en
synced 2025-03-19 10:28:54 +00:00
7c799a27e6
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@199274 c90b9560-bf6c-de11-be94-00142212c4b1
398 lines
11 KiB
XML
398 lines
11 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.5 $ -->
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<refentry id="function.maxdb-stmt-bind-param">
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<refnamediv>
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<refname>maxdb_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>
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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>bool</type><methodname>maxdb_stmt_bind_param</methodname>
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<methodparam><type>resource</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>stmt</classname></ooclass>
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<methodsynopsis>
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<type>bool</type>
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<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>Procedural style (extended syntax):</para>
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<methodsynopsis>
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<type>bool</type><methodname>maxdb_stmt_bind_param</methodname>
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<methodparam><type>resource</type><parameter>stmt</parameter></methodparam>
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<methodparam><type>string</type><parameter>types</parameter></methodparam>
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<methodparam><type>array</type><parameter role="reference">var</parameter></methodparam>
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</methodsynopsis>
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<para>Object oriented style (method) (extended syntax):</para>
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<classsynopsis>
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<ooclass><classname>stmt</classname></ooclass>
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<methodsynopsis>
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<type>bool</type>
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<methodname>bind_param</methodname>
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<methodparam><type>string</type><parameter>types</parameter></methodparam>
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<methodparam><type>array</type><parameter role="reference">var</parameter></methodparam>
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</methodsynopsis>
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</classsynopsis>
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<para>
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<function>maxdb_stmt_bind_param</function> is used to bind variables for the
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parameter markers in the SQL statement that was passed to
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<function>maxdb_prepare</function>.
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The string <parameter>types</parameter> contains one or more characters which specify
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the types for the corresponding bind variables.
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</para>
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<para>
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The extended syntax of <function>maxdb_stmt_bind_param</function> allows to give the parameters
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as an array instead of a variable list of PHP variables to the function. If the array variable has not been
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used before calling <function>maxdb_stmt_bind_param</function>, it has to be initialized as an emtpy
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array. See the examples how to use <function>maxdb_stmt_bind_param</function> with extended syntax.
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</para>
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<para>
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Variables for SELECT INTO SQL statements can also be bound using <function>maxdb_stmt_bind_param</function>.
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Parameters for database procedures can be bound using <function>maxdb_stmt_bind_param</function>. See the
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examples how to use <function>maxdb_stmt_bind_param</function> in this cases.
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</para>
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<para>
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If a variable bound as INTO variable to a SQL statement was used before, the content of this variable
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is overwritten by the data of the SELECT INTO statement. A reference to this variable will be invalid after a call to
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<function>maxdb_stmt_bind_param</function>.
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</para>
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<para>
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For INOUT parameters of database procedures the content of the bound INOUT variable is overwritten by the output
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value of the database procedure. A reference to this variable will be invalid after a call to
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<function>maxdb_stmt_bind_param</function>.
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</para>
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<para>
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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 send in packages</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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</refsect1>
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<refsect1>
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<title>Return values</title>
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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>
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<title>See also</title>
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<para>
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<function>maxdb_stmt_bind_result</function>,
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<function>maxdb_stmt_execute</function>,
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<function>maxdb_stmt_fetch</function>,
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<function>maxdb_prepare</function>,
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<function>maxdb_stmt_send_long_data</function>,
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<function>maxdb_stmt_errno</function>,
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<function>maxdb_stmt_error</function>
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</para>
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</refsect1>
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<refsect1>
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<title>Example</title>
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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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$maxdb = new maxdb('localhost', 'MONA', 'RED', 'DEMODB');
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/* check connection */
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if (maxdb_connect_errno()) {
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printf("Connect failed: %s\n", maxdb_connect_error());
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exit();
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}
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$maxdb->query ("CREATE TABLE temp.mycity LIKE hotel.city");
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$maxdb->query ("INSERT INTO temp.mycity SELECT * FROM hotel.city");
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$stmt = $maxdb->prepare("INSERT INTO temp.mycity VALUES (?, ?, ?)");
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$stmt->bind_param('sss', $zip, $name, $state);
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$zip = '11111';
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$name = 'Georgetown';
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$state = 'NY';
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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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$maxdb->query("DELETE FROM temp.mycity WHERE name='Georgetown'");
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printf("%d Row deleted.\n", $maxdb->affected_rows);
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/* close connection */
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$maxdb->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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$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
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/* check connection */
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if (!$link) {
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printf("Connect failed: %s\n", maxdb_connect_error());
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exit();
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}
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maxdb_query ($link, "CREATE TABLE temp.mycity LIKE hotel.city");
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maxdb_query ($link, "INSERT INTO temp.mycity SELECT * FROM hotel.city");
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$stmt = maxdb_prepare($link, "INSERT INTO temp.mycity VALUES (?, ?, ?)");
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maxdb_stmt_bind_param($stmt, 'sss', $zip, $name, $state);
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$zip = '11111';
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$name = 'Georgetown';
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$state = 'NY';
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/* execute prepared statement */
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maxdb_stmt_execute($stmt);
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printf("%d Row inserted.\n", maxdb_stmt_affected_rows($stmt));
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/* close statement and connection */
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maxdb_stmt_close($stmt);
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/* Clean up table CountryLanguage */
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maxdb_query($link, "DELETE FROM temp.mycity WHERE name='Georgetown'");
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printf("%d Row deleted.\n", maxdb_affected_rows($link));
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/* close connection */
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maxdb_close($link);
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?>
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]]>
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</programlisting>
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</example>
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<para>
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The above examples would produce the following output:
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</para>
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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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<example>
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<title>Procedural style (SELECT INTO)</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
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/* check connection */
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if (!$link) {
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printf("Connect failed: %s\n", maxdb_connect_error());
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exit();
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}
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/* Performing SQL query */
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$stmt = maxdb_prepare ($link, "SELECT price INTO ? FROM hotel.room where hno = ? and type = ?");
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if (!$stmt) {
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printf ("Prepare failed: %s\n", maxdb_error($link));
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}
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$hno = "50";
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$rtype = "suite";
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maxdb_stmt_bind_param($stmt, 'dss', $price, $hno, $rtype);
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maxdb_stmt_execute($stmt);
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printf ("%f\n", $price);
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maxdb_stmt_close ($stmt);
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?>
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]]>
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</programlisting>
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</example>
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<para>
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The above examples would produce the following output:
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</para>
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<screen>
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<![CDATA[
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21.600000
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]]>
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</screen>
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<example>
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<title>Procedural style (DB procedure)</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
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/* check connection */
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if (!$link) {
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printf("Connect failed: %s\n", maxdb_connect_error());
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exit();
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}
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maxdb_report (MAXDB_REPORT_OFF);
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maxdb_query($link,"DROP DBPROC test_proc");
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maxdb_report (MAXDB_REPORT_ERROR);
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$query = "create dbproc test_proc (INOUT e_text char(72)) AS select * from SYSDBA.DUAL; fetch into :e_text;";
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maxdb_query($link, $query);
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/* Performing SQL query */
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$stmt = maxdb_prepare ($link, "CALL test_proc (?)");
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if (!$stmt) {
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printf ("Prepare failed: %s\n", maxdb_error($link));
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}
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maxdb_stmt_bind_param($stmt, 's', $result);
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maxdb_stmt_execute($stmt);
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printf ("%s\n", $result);
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maxdb_stmt_close ($stmt);
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?>
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]]>
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</programlisting>
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</example>
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<para>
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The above examples would produce the following output:
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</para>
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<screen>
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<![CDATA[
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a
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]]>
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</screen>
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<example>
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<title>Object oriented style (extended syntax)</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$maxdb = new maxdb('localhost', 'MONA', 'RED', 'DEMODB');
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/* check connection */
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if (maxdb_connect_errno()) {
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printf("Connect failed: %s\n", maxdb_connect_error());
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exit();
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}
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$maxdb->query ("CREATE TABLE temp.mycity LIKE hotel.city");
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$maxdb->query ("INSERT INTO temp.mycity SELECT * FROM hotel.city");
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$stmt = $maxdb->prepare("INSERT INTO temp.mycity VALUES (?, ?, ?)");
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$arr = array();
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$stmt->bind_param('iss', $arr);
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$arr[0] = 11111;
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$arr[1] = 'Georgetown';
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$arr[2] = 'NY';
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/* execute prepared statement */
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$stmt->execute();
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printf("%d Row inserted.\n", maxdb_stmt_affected_rows($stmt));
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$arr[0] = 22222;
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$arr[1] = 'New Orleans';
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$arr[2] = 'LA';
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/* execute prepared statement */
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$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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$result = $maxdb->query("SELECT * from temp.mycity WHERE zip = '11111' OR zip = '22222'");
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if ($result) {
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while ($row = $result->fetch_row()) {
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printf ("%s %s %s\n", $row[0], $row[1], $row[2]);
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}
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}
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/* Clean up table CountryLanguage */
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$maxdb->query("DELETE FROM temp.mycity WHERE name='Georgetown'");
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$maxdb->query("DELETE FROM temp.mycity WHERE name='New Orleans'");
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printf("%d Rows deleted.\n", $maxdb->affected_rows);
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/* close connection */
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$maxdb->close();
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?>
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]]>
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</programlisting>
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</example>
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<para>
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The above examples would produce the following output:
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</para>
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<screen>
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<![CDATA[
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1 Row inserted.
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1 Row inserted.
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11111 Georgetown NY
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22222 New Orleans LA
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2 Rows deleted.
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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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