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?>
<div id="sqlite3stmt.bindvalue" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">SQLite3Stmt::bindValue</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.3.0, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">SQLite3Stmt::bindValue</span> &mdash; <span class="dc-title">Binds the value of a parameter to a statement variable</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-sqlite3stmt.bindvalue-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>SQLite3Stmt::bindValue</strong></span>(<span class="methodparam"><span class="type"><span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.integer.php" class="type int">int</a></span></span> <code class="parameter">$param</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>, <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$type</code><span class="initializer"> = <strong><code><a href="sqlite3.constants.php#constant.sqlite3-text">SQLITE3_TEXT</a></code></strong></span></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   Binds the value of a parameter to a statement variable.
  </p>
  <div class="caution"><strong class="caution">警告</strong>
   <p class="para">
    Before PHP 7.2.14 and 7.3.0, respectively,
    once the statement has been executed, <span class="methodname"><a href="sqlite3stmt.reset.php" class="methodname">SQLite3Stmt::reset()</a></span> 
    needs to be called to be able to change the value of bound parameters.
   </p>
  </div>
 </div>


 <div class="refsect1 parameters" id="refsect1-sqlite3stmt.bindvalue-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">param</code></dt>
     <dd>
      <p class="para">
       Either a <span class="type"><a href="language.types.string.php" class="type string">string</a></span> (for named parameters) or an <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>
       (for positional parameters) identifying the statement variable to which the
       value should be bound.
       If a named parameter does not start with a colon (<code class="literal">:</code>) or an
       at sign (<code class="literal">@</code>), a colon (<code class="literal">:</code>) is automatically preprended.
       Positional parameters start with <code class="literal">1</code>.
      </p>
     </dd>
    
    
     <dt><code class="parameter">value</code></dt>
     <dd>
      <p class="para">
       The value to bind to a statement variable.
      </p>
     </dd>
    
    
     <dt><code class="parameter">type</code></dt>
     <dd>
      <p class="para">
       The data type of the value to bind.
       <ul class="itemizedlist">
        <li class="listitem">
         <p class="para">
          <strong><code><a href="sqlite3.constants.php#constant.sqlite3-integer">SQLITE3_INTEGER</a></code></strong>: The value is a signed integer,
          stored in 1, 2, 3, 4, 6, or 8 bytes depending on the magnitude of
          the value.
         </p>
        </li>
        <li class="listitem">
         <p class="para">
          <strong><code><a href="sqlite3.constants.php#constant.sqlite3-float">SQLITE3_FLOAT</a></code></strong>: The value is a floating point
          value, stored as an 8-byte IEEE floating point number.
         </p>
        </li>
        <li class="listitem">
         <p class="para">
          <strong><code><a href="sqlite3.constants.php#constant.sqlite3-text">SQLITE3_TEXT</a></code></strong>: The value is a text string, stored
          using the database encoding (UTF-8, UTF-16BE or UTF-16-LE).
         </p>
        </li>
        <li class="listitem">
         <p class="para">
          <strong><code><a href="sqlite3.constants.php#constant.sqlite3-blob">SQLITE3_BLOB</a></code></strong>: The value is a blob of data, stored
          exactly as it was input.
         </p>
        </li>
        <li class="listitem">
         <p class="para">
          <strong><code><a href="sqlite3.constants.php#constant.sqlite3-null">SQLITE3_NULL</a></code></strong>: The value is a NULL value.
         </p>
        </li>
       </ul>
      </p>
      <p class="para">
       As of PHP 7.0.7, if <code class="parameter">type</code> is omitted, it is automatically
       detected from the type of the <code class="parameter">value</code>: <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span>
       and <span class="type"><a href="language.types.integer.php" class="type int">int</a></span> are treated as <strong><code><a href="sqlite3.constants.php#constant.sqlite3-integer">SQLITE3_INTEGER</a></code></strong>,
       <span class="type"><a href="language.types.float.php" class="type float">float</a></span> as <strong><code><a href="sqlite3.constants.php#constant.sqlite3-float">SQLITE3_FLOAT</a></code></strong>, <span class="type"><a href="language.types.null.php" class="type null">null</a></span>
       as <strong><code><a href="sqlite3.constants.php#constant.sqlite3-null">SQLITE3_NULL</a></code></strong> and all others as <strong><code><a href="sqlite3.constants.php#constant.sqlite3-text">SQLITE3_TEXT</a></code></strong>.
       Formerly, if <code class="parameter">type</code> has been omitted, it has defaulted
       to <strong><code><a href="sqlite3.constants.php#constant.sqlite3-text">SQLITE3_TEXT</a></code></strong>.
      </p>
      <blockquote class="note"><p><strong class="note">注意</strong>: 
       <p class="para">
        If <code class="parameter">value</code> is <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>, it is always treated as
        <strong><code><a href="sqlite3.constants.php#constant.sqlite3-null">SQLITE3_NULL</a></code></strong>, regardless of the given
        <code class="parameter">type</code>.
       </p>
      </p></blockquote>
     </dd>
    
   </dl>
  </p>

 </div>


 <div class="refsect1 returnvalues" id="refsect1-sqlite3stmt.bindvalue-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> if the value is bound to the statement variable,  或者在失败时返回 <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong>.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-sqlite3stmt.bindvalue-changelog">
  <h3 class="title">更新日志</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>版本</th>
      <th>说明</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
      <td>7.4.0</td>
      <td>
       <code class="parameter">param</code> now also supports the <code class="literal">@param</code>
       notation.
      </td>
     </tr>

    </tbody>
   
  </table>

 </div>


 <div class="refsect1 examples" id="refsect1-sqlite3stmt.bindvalue-examples">
  <h3 class="title">示例</h3>
  <p class="para">
   <div class="example" id="example-2122">
    <p><strong>示例 #1 <span class="function"><strong>SQLite3Stmt::bindValue()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$db </span><span style="color: #007700">= new </span><span style="color: #0000BB">SQLite3</span><span style="color: #007700">(</span><span style="color: #DD0000">':memory:'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$db</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">exec</span><span style="color: #007700">(</span><span style="color: #DD0000">'CREATE TABLE foo (id INTEGER, bar STRING)'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$db</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">exec</span><span style="color: #007700">(</span><span style="color: #DD0000">"INSERT INTO foo (id, bar) VALUES (1, 'This is a test')"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">$db</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">prepare</span><span style="color: #007700">(</span><span style="color: #DD0000">'SELECT bar FROM foo WHERE id=:id'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$stmt</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">bindValue</span><span style="color: #007700">(</span><span style="color: #DD0000">':id'</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">SQLITE3_INTEGER</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">$stmt</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">fetchArray</span><span style="color: #007700">(</span><span style="color: #0000BB">SQLITE3_ASSOC</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>以上示例会输出：</p></div>
    <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">array(1) {
  [&quot;bar&quot;]=&gt;
  string(14) &quot;This is a test&quot;
}</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-sqlite3stmt.bindvalue-seealso">
  <h3 class="title">参见</h3>
  <ul class="simplelist">
   <li><span class="methodname"><a href="sqlite3stmt.bindparam.php" class="methodname" rel="rdfs-seeAlso">SQLite3Stmt::bindParam()</a> - Binds a parameter to a statement variable</span></li>
   <li><span class="methodname"><a href="sqlite3.prepare.php" class="methodname" rel="rdfs-seeAlso">SQLite3::prepare()</a> - Prepares an SQL statement for execution</span></li>
  </ul>
 </div>


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