bindvalue.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="pdostatement.bindvalue" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>PDOStatement::bindValue</refname>
  <refpurpose>
   Binds a value to a parameter
  </refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <modifier>public</modifier> <type>bool</type><methodname>PDOStatement::bindValue</methodname>
   <methodparam><type class="union"><type>string</type><type>int</type></type><parameter>param</parameter></methodparam>
   <methodparam><type>mixed</type><parameter>value</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>type</parameter><initializer>PDO::PARAM_STR</initializer></methodparam>
  </methodsynopsis>
  <para>
   Binds a value to a corresponding named or question mark placeholder
   in the SQL statement that was used to prepare the statement.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>param</parameter></term>
      <listitem>
       <para>
        Parameter identifier. For a prepared statement using named
        placeholders, this will be a parameter name of the form
        <varname>:name</varname>. For a prepared statement using
        question mark placeholders, this will be the 1-indexed position of
        the parameter. 
       </para>
      </listitem>
     </varlistentry>
    <varlistentry>
     <term><parameter>value</parameter></term>
      <listitem>
       <para>
        The value to bind to the parameter.
       </para>
      </listitem>
     </varlistentry>
    <varlistentry>
     <term><parameter>type</parameter></term>
      <listitem>
       <para>
        Explicit data type for the parameter using the <link linkend="pdo.constants"><literal>PDO::PARAM_*</literal>
        constants</link>.
       </para>
      </listitem>
     </varlistentry>
   </variablelist>
  </para>
 </refsect1>

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

 <refsect1 role="examples">
  &reftitle.examples;
  <example><title>Execute a prepared statement with named placeholders</title>
   <programlisting role="php">
<![CDATA[
<?php
/* Execute a prepared statement by binding PHP variables */
$calories = 150;
$colour = 'red';
$sth = $dbh->prepare('SELECT name, colour, calories
    FROM fruit
    WHERE calories < :calories AND colour = :colour');
$sth->bindValue(':calories', $calories, PDO::PARAM_INT);
$sth->bindValue(':colour', $colour, PDO::PARAM_STR);
$sth->execute();
?>
]]>
   </programlisting>
  </example>

  <example><title>Execute a prepared statement with question mark placeholders</title>
   <programlisting role="php">
<![CDATA[
<?php
/* Execute a prepared statement by binding PHP variables */
$calories = 150;
$colour = 'red';
$sth = $dbh->prepare('SELECT name, colour, calories
    FROM fruit
    WHERE calories < ? AND colour = ?');
$sth->bindValue(1, $calories, PDO::PARAM_INT);
$sth->bindValue(2, $colour, PDO::PARAM_STR);
$sth->execute();
?>
]]>
   </programlisting>
  </example>


 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>PDO::prepare</function></member>
    <member><function>PDOStatement::execute</function></member>
    <member><function>PDOStatement::bindParam</function></member>
   </simplelist>
  </para>

 </refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->