mirror of
https://github.com/sigmasternchen/php-doc-en
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265 lines
7.5 KiB
XML
265 lines
7.5 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="mysqli-stmt.execute" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>mysqli_stmt::execute</refname>
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<refname>mysqli_stmt_execute</refname>
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<refpurpose>Executes a prepared statement</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<para>&style.oop;</para>
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<methodsynopsis role="oop">
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<modifier>public</modifier> <type>bool</type><methodname>mysqli_stmt::execute</methodname>
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<methodparam choice="opt"><type class="union"><type>array</type><type>null</type></type><parameter>params</parameter><initializer>&null;</initializer></methodparam>
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</methodsynopsis>
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<para>&style.procedural;</para>
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<methodsynopsis role="procedural">
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<type>bool</type><methodname>mysqli_stmt_execute</methodname>
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<methodparam><type>mysqli_stmt</type><parameter>statement</parameter></methodparam>
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<methodparam choice="opt"><type class="union"><type>array</type><type>null</type></type><parameter>params</parameter><initializer>&null;</initializer></methodparam>
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</methodsynopsis>
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<para>
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Executes previously prepared statement. The statement must be successfully
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prepared prior to execution, using either
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the <function>mysqli_prepare</function> or
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<function>mysqli_stmt_prepare</function> function, or by passing the second
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argument to <methodname>mysqli_stmt::__construct</methodname>.
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</para>
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<para>
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If the statement is <literal>UPDATE</literal>, <literal>DELETE</literal>,
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or <literal>INSERT</literal>, the total number of affected rows can be
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determined by using the <function>mysqli_stmt_affected_rows</function>
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function. If the query yields a result set, it can be fetched using
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<function>mysqli_stmt_get_result</function> function or by fetching it
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row by row directly from the statement using
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<function>mysqli_stmt_fetch</function> function.
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</para>
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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>params</parameter></term>
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<listitem>
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<para>
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An optional list &array; with as many elements as there are bound parameters in the SQL statement being executed. Each value is treated as a &string;.
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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="changelog">
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&reftitle.changelog;
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</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>8.1.0</entry>
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<entry>
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The optional <parameter>params</parameter> parameter has been added.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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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>Execute a prepared statement with bound variables</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_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 myCity LIKE City");
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/* Prepare an insert statement */
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$stmt = $mysqli->prepare("INSERT INTO myCity (Name, CountryCode, District) VALUES (?,?,?)");
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/* Bind variables to parameters */
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$stmt->bind_param("sss", $val1, $val2, $val3);
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$val1 = 'Stuttgart';
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$val2 = 'DEU';
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$val3 = 'Baden-Wuerttemberg';
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/* Execute the statement */
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$stmt->execute();
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$val1 = 'Bordeaux';
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$val2 = 'FRA';
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$val3 = 'Aquitaine';
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/* Execute the statement */
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$stmt->execute();
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/* Retrieve all rows from myCity */
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$query = "SELECT Name, CountryCode, District FROM myCity";
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$result = $mysqli->query($query);
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while ($row = $result->fetch_row()) {
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printf("%s (%s,%s)\n", $row[0], $row[1], $row[2]);
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}
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]]>
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</programlisting>
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<para>&style.procedural;</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
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$link = mysqli_connect("localhost", "my_user", "my_password", "world");
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mysqli_query($link, "CREATE TEMPORARY TABLE myCity LIKE City");
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/* Prepare an insert statement */
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$stmt = mysqli_prepare($link, "INSERT INTO myCity (Name, CountryCode, District) VALUES (?,?,?)");
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/* Bind variables to parameters */
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mysqli_stmt_bind_param($stmt, "sss", $val1, $val2, $val3);
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$val1 = 'Stuttgart';
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$val2 = 'DEU';
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$val3 = 'Baden-Wuerttemberg';
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/* Execute the statement */
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mysqli_stmt_execute($stmt);
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$val1 = 'Bordeaux';
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$val2 = 'FRA';
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$val3 = 'Aquitaine';
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/* Execute the statement */
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mysqli_stmt_execute($stmt);
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/* Retrieve all rows from myCity */
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$query = "SELECT Name, CountryCode, District FROM myCity";
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$result = mysqli_query($link, $query);
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while ($row = mysqli_fetch_row($result)) {
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printf("%s (%s,%s)\n", $row[0], $row[1], $row[2]);
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}
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]]>
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</programlisting>
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&examples.outputs;
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<screen>
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<![CDATA[
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Stuttgart (DEU,Baden-Wuerttemberg)
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Bordeaux (FRA,Aquitaine)
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]]>
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</screen>
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</example>
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<example>
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<title>Execute a prepared statement with an array of values</title>
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<para>&style.oop;</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
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$mysqli = new mysqli('localhost', 'my_user', 'my_password', 'world');
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$mysqli->query('CREATE TEMPORARY TABLE myCity LIKE City');
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/* Prepare an insert statement */
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$stmt = $mysqli->prepare('INSERT INTO myCity (Name, CountryCode, District) VALUES (?,?,?)');
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/* Execute the statement */
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$stmt->execute(['Stuttgart', 'DEU', 'Baden-Wuerttemberg']);
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/* Retrieve all rows from myCity */
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$query = 'SELECT Name, CountryCode, District FROM myCity';
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$result = $mysqli->query($query);
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while ($row = $result->fetch_row()) {
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printf("%s (%s,%s)\n", $row[0], $row[1], $row[2]);
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}
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]]>
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</programlisting>
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<para>&style.procedural;</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
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$link = mysqli_connect('localhost', 'my_user', 'my_password', 'world');
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mysqli_query($link, 'CREATE TEMPORARY TABLE myCity LIKE City');
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/* Prepare an insert statement */
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$stmt = mysqli_prepare($link, 'INSERT INTO myCity (Name, CountryCode, District) VALUES (?,?,?)');
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/* Execute the statement */
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mysqli_stmt_execute($stmt, ['Stuttgart', 'DEU', 'Baden-Wuerttemberg']);
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/* Retrieve all rows from myCity */
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$query = 'SELECT Name, CountryCode, District FROM myCity';
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$result = mysqli_query($link, $query);
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while ($row = mysqli_fetch_row($result)) {
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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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</programlisting>
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&examples.outputs;
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<screen>
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<![CDATA[
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Stuttgart (DEU,Baden-Wuerttemberg)
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]]>
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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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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>mysqli_prepare</function></member>
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<member><function>mysqli_stmt_bind_param</function></member>
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<member><function>mysqli_stmt_get_result</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:"~/.phpdoc/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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