php-doc-en/reference/mysqli/mysqli_stmt/execute.xml

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<refentry xml:id="mysqli-stmt.execute" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>mysqli_stmt::execute</refname>
  <refname>mysqli_stmt_execute</refname>
  <refpurpose>Executes a prepared statement</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <para>&style.oop;</para>
  <methodsynopsis role="oop">
   <modifier>public</modifier> <type>bool</type><methodname>mysqli_stmt::execute</methodname>
   <void/>
  </methodsynopsis>
  <para>&style.procedural;</para>
  <methodsynopsis role="procedural">
   <type>bool</type><methodname>mysqli_stmt_execute</methodname>
   <methodparam><type>mysqli_stmt</type><parameter>statement</parameter></methodparam>
  </methodsynopsis>
  <para>
   Executes previously prepared statement. The statement must be successfully 
   prepared prior to execution, using either
   the <function>mysqli_prepare</function> or
   <function>mysqli_stmt_prepare</function> function, or by passing the second
   argument to <methodname>mysqli_stmt::__construct</methodname>.
  </para>
  <para>
   If the statement is <literal>UPDATE</literal>, <literal>DELETE</literal>,
   or <literal>INSERT</literal>, the total number of affected rows can be
   determined by using the <function>mysqli_stmt_affected_rows</function>
   function. Likewise, if the query yields a result set the 
   <function>mysqli_stmt_fetch</function> function is used.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    &mysqli.stmt.description;
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title><methodname>mysqli_stmt::execute</methodname> example</title>
   <para>&style.oop;</para>
   <programlisting role="php">
<![CDATA[
<?php

mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");

$mysqli->query("CREATE TABLE myCity LIKE City");

/* Prepare an insert statement */
$stmt = $mysqli->prepare("INSERT INTO myCity (Name, CountryCode, District) VALUES (?,?,?)");

/* Bind variables to parameters */
$stmt->bind_param("sss", $val1, $val2, $val3);

$val1 = 'Stuttgart';
$val2 = 'DEU';
$val3 = 'Baden-Wuerttemberg';

/* Execute the statement */
$stmt->execute();

$val1 = 'Bordeaux';
$val2 = 'FRA';
$val3 = 'Aquitaine';

/* Execute the statement */
$stmt->execute();

/* retrieve all rows from myCity */
$query = "SELECT Name, CountryCode, District FROM myCity";
$result = $mysqli->query($query);
while ($row = $result->fetch_row()) {
    printf("%s (%s,%s)\n", $row[0], $row[1], $row[2]);
}

/* remove table */
$mysqli->query("DROP TABLE myCity");
]]>
   </programlisting>
   <para>&style.procedural;</para>
   <programlisting role="php">
<![CDATA[
<?php

mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$link = mysqli_connect("localhost", "my_user", "my_password", "world");

mysqli_query($link, "CREATE TABLE myCity LIKE City");

/* Prepare an insert statement */
$stmt = mysqli_prepare($link, "INSERT INTO myCity (Name, CountryCode, District) VALUES (?,?,?)");

/* Bind variables to parameters */
mysqli_stmt_bind_param($stmt, "sss", $val1, $val2, $val3);

$val1 = 'Stuttgart';
$val2 = 'DEU';
$val3 = 'Baden-Wuerttemberg';

/* Execute the statement */
mysqli_stmt_execute($stmt);

$val1 = 'Bordeaux';
$val2 = 'FRA';
$val3 = 'Aquitaine';

/* Execute the statement */
mysqli_stmt_execute($stmt);

/* retrieve all rows from myCity */
$query = "SELECT Name, CountryCode, District FROM myCity";
$result = mysqli_query($link, $query);
while ($row = mysqli_fetch_row($result)) {
    printf("%s (%s,%s)\n", $row[0], $row[1], $row[2]);
}

/* remove table */
mysqli_query($link, "DROP TABLE myCity");
]]>
     </programlisting>
     &examples.outputs;
     <screen>
<![CDATA[
Stuttgart (DEU,Baden-Wuerttemberg)
Bordeaux (FRA,Aquitaine)
]]>
   </screen>
  </example>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>mysqli_prepare</function></member>
    <member><function>mysqli_stmt_bind_param</function></member>
    <member><function>mysqli_stmt_get_result</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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