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?>
<div id="mysql.examples-basic" class="section">
  <h2 class="title">Ejemplo con la extensión MySQL</h2>
  <p class="para">
   Este ejemplo simple muestra cómo conectarse, ejecutar una
   consulta, leer la información obtenida y desconectarse de una
   base de datos MySQL.
   <div class="example" id="example-1">
    <p><strong>Ejemplo #1 Ejemplo de presentación de la extensión MySQL</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">// Conexión y selección de la base de datos<br /></span><span style="color: #0000BB">$link </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'mysql_host'</span><span style="color: #007700">, </span><span style="color: #DD0000">'mysql_user'</span><span style="color: #007700">, </span><span style="color: #DD0000">'mysql_password'</span><span style="color: #007700">)<br />    or die(</span><span style="color: #DD0000">'Imposible conectarse: ' </span><span style="color: #007700">. </span><span style="color: #0000BB">mysql_error</span><span style="color: #007700">());<br />echo </span><span style="color: #DD0000">'Conectado correctamente'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">mysql_select_db</span><span style="color: #007700">(</span><span style="color: #DD0000">'my_database'</span><span style="color: #007700">) or die(</span><span style="color: #DD0000">'Imposible seleccionar la base de datos'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Ejecución de consultas SQL<br /></span><span style="color: #0000BB">$query </span><span style="color: #007700">= </span><span style="color: #DD0000">'SELECT * FROM my_table'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$query</span><span style="color: #007700">) or die(</span><span style="color: #DD0000">'Fallo en la consulta: ' </span><span style="color: #007700">. </span><span style="color: #0000BB">mysql_error</span><span style="color: #007700">());<br /><br /></span><span style="color: #FF8000">// Visualización de los resultados en HTML<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">"&lt;table&gt;\n"</span><span style="color: #007700">;<br />while (</span><span style="color: #0000BB">$line </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">, </span><span style="color: #0000BB">MYSQL_ASSOC</span><span style="color: #007700">)) {<br />    echo </span><span style="color: #DD0000">"\t&lt;tr&gt;\n"</span><span style="color: #007700">;<br />    foreach (</span><span style="color: #0000BB">$line </span><span style="color: #007700">as </span><span style="color: #0000BB">$col_value</span><span style="color: #007700">) {<br />        echo </span><span style="color: #DD0000">"\t\t&lt;td&gt;</span><span style="color: #0000BB">$col_value</span><span style="color: #DD0000">&lt;/td&gt;\n"</span><span style="color: #007700">;<br />    }<br />    echo </span><span style="color: #DD0000">"\t&lt;/tr&gt;\n"</span><span style="color: #007700">;<br />}<br />echo </span><span style="color: #DD0000">"&lt;/table&gt;\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// Liberación de los resultados<br /></span><span style="color: #0000BB">mysql_free_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Cierre de la conexión<br /></span><span style="color: #0000BB">mysql_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

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