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  <refentry id="function.PDOStatement-execute">
   <refnamediv>
    <refname>PDOStatement::execute</refname>
    <refpurpose>
     Executes a prepared statement
    </refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <methodsynopsis>
     <type>bool</type><methodname>PDOStatement::execute</methodname>
     <methodparam choice="opt"><type>array</type><parameter>input_parameters</parameter></methodparam>
    </methodsynopsis>
    &warn.experimental.func;
    <para>
     Execute the prepared statement. If the prepared statement included
     parameter markers, you must either:
     <itemizedlist>
      <listitem><para>call <function>PDOStatement::bindParam</function> to bind PHP variables
      to the parameter markers: bound variables pass their value as input and receive the
      output value, if any, of their associated parameter markers</para></listitem>
      <listitem><para>or pass an array of input-only parameter values</para></listitem>
     </itemizedlist>
    </para>

    <example><title>Execute a prepared statement with bound variables</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->bindParam(':calories', $calories, PDO_PARAM_INT);
$sth->bindParam(':colour', $colour, PDO_PARAM_STR, 12);
$sth->execute();
?>
]]>
     </programlisting>
    </example>

    <example><title>Execute a prepared statement with an array of insert values</title>
     <programlisting role='php'>
<![CDATA[
<?php
/* Execute a prepared statement by passing an array of insert values */
$calories = 150;
$colour = 'red';
$sth = $dbh->prepare('SELECT name, colour, calories
    FROM fruit
    WHERE calories < :calories AND colour = :colour');
$sth->bindParam(':calories', $calories, PDO_PARAM_INT);
$sth->bindParam(':colour', $colour, PDO_PARAM_STR, 12);
$sth->execute(array(':calories' => $calories, ':colour' => $colour));
?>
]]>
     </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->bindParam(1, $calories, PDO_PARAM_INT);
$sth->bindParam(2, $colour, PDO_PARAM_STR, 12);
$sth->execute();
?>
]]>
     </programlisting>
    </example>
   </refsect1>
  </refentry>

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