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<div id="mysqli.prepare" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">mysqli::prepare</h1>
  <h1 class="refname">mysqli_prepare</h1>
  <p class="verinfo">(PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">mysqli::prepare</span> -- <span class="refname">mysqli_prepare</span> &mdash; <span class="dc-title">Prepares an SQL statement for execution</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-mysqli.prepare-description">
  <h3 class="title">Опис</h3>
  <p class="para">Об&#039;єктно-орієнтований стиль</p>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>mysqli::prepare</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$query</code></span>): <span class="type"><span class="type"><a href="class.mysqli-stmt.php" class="type mysqli_stmt">mysqli_stmt</a></span>|<span class="type"><a href="language.types.singleton.php" class="type false">false</a></span></span></div>

  <p class="para rdfs-comment">Процедурний стиль</p>
  <div class="methodsynopsis dc-description"><span class="methodname"><strong>mysqli_prepare</strong></span>(<span class="methodparam"><span class="type"><a href="class.mysqli.php" class="type mysqli">mysqli</a></span> <code class="parameter">$mysql</code></span>, <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$query</code></span>): <span class="type"><span class="type"><a href="class.mysqli-stmt.php" class="type mysqli_stmt">mysqli_stmt</a></span>|<span class="type"><a href="language.types.singleton.php" class="type false">false</a></span></span></div>

  <p class="para rdfs-comment">
   Prepares the SQL query, and returns a statement handle to be used for further
   operations on the statement. The query must consist of a single SQL statement.
  </p>
  <p class="para">
   The statement template can contain zero or more question mark
   (<code class="literal">?</code>) parameter markers⁠—also called placeholders.
   The parameter markers must be bound to application variables using
   <span class="function"><a href="mysqli-stmt.bind-param.php" class="function">mysqli_stmt_bind_param()</a></span> before executing the statement.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-mysqli.prepare-parameters">
  <h3 class="title">Параметри</h3>
  <p class="para">
   <dl>
    <dt>
<code class="parameter">mysql</code></dt><dd><p class="para">Тільки процедурний стиль:
об&#039;єкт <span class="classname"><a href="class.mysqli.php" class="classname">mysqli</a></span>, якого повертає функція
<span class="function"><a href="function.mysqli-connect.php" class="function">mysqli_connect()</a></span> або
<span class="function"><a href="mysqli.init.php" class="function">mysqli_init()</a></span></p></dd>
    
     <dt><code class="parameter">query</code></dt>
     <dd>
      <p class="para">
       The query, as a string. It must consist of a single SQL statement.
      </p>
      <p class="para">
       The SQL statement may contain zero or more parameter markers
       represented by question mark (<code class="literal">?</code>) characters
       at the appropriate positions.
      </p>
      <blockquote class="note"><p><strong class="note">Зауваження</strong>: 

       <p class="para">
        The markers are legal only in certain places in SQL statements.
        For example, they are permitted in the <code class="literal">VALUES()</code>
        list of an <code class="literal">INSERT</code> statement (to specify column
        values for a row), or in a comparison with a column in a
        <code class="literal">WHERE</code> clause to specify a comparison value.
        However, they are not permitted for identifiers (such as table or
        column names).
       </p>
      </p></blockquote>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-mysqli.prepare-returnvalues">
  <h3 class="title">Значення, що повертаються</h3>
  <p class="para">
   <span class="function"><strong>mysqli_prepare()</strong></span> returns a statement object or <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> if an error occurred.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-mysqli.prepare-errors">
  <h3 class="title">Помилки/виключення</h3>
  <p class="para"> Якщо увімкнені звіти про помилки
mysqli (<strong><code><a href="mysqli.constants.php#constant.mysqli-report-error">MYSQLI_REPORT_ERROR</a></code></strong>) і запитана операція не
виконалась, буде виведено попередження, але якщо встановлено режим
<strong><code><a href="mysqli.constants.php#constant.mysqli-report-strict">MYSQLI_REPORT_STRICT</a></code></strong>, буде викинуто виключення
<span class="classname"><a href="class.mysqli-sql-exception.php" class="classname">mysqli_sql_exception</a></span>.</p>
 </div>


 <div class="refsect1 examples" id="refsect1-mysqli.prepare-examples">
  <h3 class="title">Приклади</h3>
  <div class="example" id="example-1">
   <p><strong>Приклад #1 <span class="methodname"><strong>mysqli::prepare()</strong></span> example</strong></p>
   <div class="example-contents"><p>Об&#039;єктно-орієнтований стиль</p></div>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br />mysqli_report</span><span style="color: #007700">(</span><span style="color: #0000BB">MYSQLI_REPORT_ERROR </span><span style="color: #007700">| </span><span style="color: #0000BB">MYSQLI_REPORT_STRICT</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$mysqli </span><span style="color: #007700">= new </span><span style="color: #0000BB">mysqli</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_user"</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_password"</span><span style="color: #007700">, </span><span style="color: #DD0000">"world"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$city </span><span style="color: #007700">= </span><span style="color: #DD0000">"Amersfoort"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">/* create a prepared statement */<br /></span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">$mysqli</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">prepare</span><span style="color: #007700">(</span><span style="color: #DD0000">"SELECT District FROM City WHERE Name=?"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* bind parameters for markers */<br /></span><span style="color: #0000BB">$stmt</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">bind_param</span><span style="color: #007700">(</span><span style="color: #DD0000">"s"</span><span style="color: #007700">, </span><span style="color: #0000BB">$city</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* execute query */<br /></span><span style="color: #0000BB">$stmt</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">/* bind result variables */<br /></span><span style="color: #0000BB">$stmt</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">bind_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$district</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* fetch value */<br /></span><span style="color: #0000BB">$stmt</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">fetch</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%s is in district %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$city</span><span style="color: #007700">, </span><span style="color: #0000BB">$district</span><span style="color: #007700">);</span></span></code></div>
   </div>

   <div class="example-contents"><p>Процедурний стиль</p></div>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br />mysqli_report</span><span style="color: #007700">(</span><span style="color: #0000BB">MYSQLI_REPORT_ERROR </span><span style="color: #007700">| </span><span style="color: #0000BB">MYSQLI_REPORT_STRICT</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$link </span><span style="color: #007700">= </span><span style="color: #0000BB">mysqli_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_user"</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_password"</span><span style="color: #007700">, </span><span style="color: #DD0000">"world"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$city </span><span style="color: #007700">= </span><span style="color: #DD0000">"Amersfoort"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">/* create a prepared statement */<br /></span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">mysqli_prepare</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #DD0000">"SELECT District FROM City WHERE Name=?"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* bind parameters for markers */<br /></span><span style="color: #0000BB">mysqli_stmt_bind_param</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #DD0000">"s"</span><span style="color: #007700">, </span><span style="color: #0000BB">$city</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* execute query */<br /></span><span style="color: #0000BB">mysqli_stmt_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* bind result variables */<br /></span><span style="color: #0000BB">mysqli_stmt_bind_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #0000BB">$district</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* fetch value */<br /></span><span style="color: #0000BB">mysqli_stmt_fetch</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%s is in district %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$city</span><span style="color: #007700">, </span><span style="color: #0000BB">$district</span><span style="color: #007700">);</span></span></code></div>
   </div>

   <div class="example-contents"><p>Подані вище приклади
виведуть:</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">Amersfoort is in district Utrecht</pre>
</div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-mysqli.prepare-seealso">
  <h3 class="title">Прогляньте також</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="mysqli-stmt.execute.php" class="function" rel="rdfs-seeAlso">mysqli_stmt_execute()</a> - Executes a prepared statement</span></li>
    <li><span class="function"><a href="mysqli-stmt.fetch.php" class="function" rel="rdfs-seeAlso">mysqli_stmt_fetch()</a> - Fetch results from a prepared statement into the bound variables</span></li>
    <li><span class="function"><a href="mysqli-stmt.bind-param.php" class="function" rel="rdfs-seeAlso">mysqli_stmt_bind_param()</a> - Binds variables to a prepared statement as parameters</span></li>
    <li><span class="function"><a href="mysqli-stmt.bind-result.php" class="function" rel="rdfs-seeAlso">mysqli_stmt_bind_result()</a> - Binds variables to a prepared statement for result storage</span></li>
    <li><span class="function"><a href="mysqli-stmt.get-result.php" class="function" rel="rdfs-seeAlso">mysqli_stmt_get_result()</a> - Gets a result set from a prepared statement as a mysqli_result object</span></li>
    <li><span class="function"><a href="mysqli-stmt.close.php" class="function" rel="rdfs-seeAlso">mysqli_stmt_close()</a> - Closes a prepared statement</span></li>
   </ul>
  </p>
 </div>


</div><?php manual_footer($setup); ?>