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<div id="pdo-pgsql.escapeidentifier" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Pdo\Pgsql::escapeIdentifier</h1>
  <p class="verinfo">(PHP 8 &gt;= 8.4.0)</p><p class="refpurpose"><span class="refname">Pdo\Pgsql::escapeIdentifier</span> &mdash; <span class="dc-title">Échappe une chaîne pour son utilisation en tant qu&#039;identifiant SQL</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-pdo-pgsql.escapeidentifier-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Pdo\Pgsql::escapeIdentifier</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$input</code></span>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>

  <p class="simpara">
   Échappe une chaîne pour son utilisation en tant qu&#039;identifiant SQL, tel qu&#039;une table, une colonne ou un nom de fonction.
   Ceci est utile lorsque l&#039;identifiant fourni par l&#039;utilisateur pourrait contenir des caractères spéciaux
   qui ne seraient pas interprétés comme faisant partie de l&#039;identifiant par l&#039;analyseur SQL,
   ou lorsque l&#039;identifiant pourrait contenir des caractères en majuscules dont la casse devrait être préservée.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-pdo-pgsql.escapeidentifier-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <dl>
   
    <dt><code class="parameter">input</code></dt>
    <dd>
     <span class="simpara">
      Une <span class="type"><a href="language.types.string.php" class="type string">string</a></span> contenant le texte à échapper.
     </span>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-pdo-pgsql.escapeidentifier-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="simpara">
   Une <span class="type"><a href="language.types.string.php" class="type string">string</a></span> contenant les données échappées.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-pdo-pgsql.escapeidentifier-examples">
  <h3 class="title">Exemples</h3>
  <div class="example" id="pdo-pgsql.escapeidentifier.example.basic">
   <p><strong>Exemple #1 Exemple de <span class="methodname"><strong>Pdo\Pgsql::escapeIdentifier()</strong></span></strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$pdo </span><span style="color: #007700">= new </span><span style="color: #0000BB">Pdo\Pgsql</span><span style="color: #007700">(</span><span style="color: #DD0000">'pgsql:dbname=test host=localhost'</span><span style="color: #007700">, </span><span style="color: #0000BB">$user</span><span style="color: #007700">, </span><span style="color: #0000BB">$pass</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$unescapedTableName </span><span style="color: #007700">= </span><span style="color: #DD0000">'UnescapedTableName'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$pdo</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">exec</span><span style="color: #007700">(</span><span style="color: #DD0000">"CREATE TABLE </span><span style="color: #0000BB">$unescapedTableName</span><span style="color: #DD0000"> ()"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$escapedTableName </span><span style="color: #007700">= </span><span style="color: #0000BB">$pdo</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">escapeIdentifier</span><span style="color: #007700">(</span><span style="color: #DD0000">'EscapedTableName'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$pdo</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">exec</span><span style="color: #007700">(</span><span style="color: #DD0000">"CREATE TABLE </span><span style="color: #0000BB">$escapedTableName</span><span style="color: #DD0000"> ()"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$statement </span><span style="color: #007700">= </span><span style="color: #0000BB">$pdo</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">query</span><span style="color: #007700">(<br />  </span><span style="color: #DD0000">"SELECT relname FROM pg_stat_user_tables WHERE relname ilike '%tablename'"<br /></span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">var_export</span><span style="color: #007700">(</span><span style="color: #0000BB">$statement</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">fetchAll</span><span style="color: #007700">(</span><span style="color: #0000BB">PDO</span><span style="color: #007700">::</span><span style="color: #0000BB">FETCH_COLUMN</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">$tableNameWithSymbols </span><span style="color: #007700">= </span><span style="color: #DD0000">'Table-Name-With-Symbols'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$pdo</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">exec</span><span style="color: #007700">(</span><span style="color: #DD0000">"CREATE TABLE </span><span style="color: #0000BB">$tableNameWithSymbols</span><span style="color: #DD0000"> ()"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>Résultat de l&#039;exemple ci-dessus est similaire à :</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">array (
  0 =&gt; &#039;unescapedtablename&#039;,
  1 =&gt; &#039;EscapedTableName&#039;,
)
Fatal error: Uncaught PDOException: SQLSTATE[42601]: Syntax error: 7 ERROR:  syntax error at or near &quot;Table&quot;
LINE 1: CREATE TABLE Table-Name-With-Symbols ()</pre>
</div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-pdo-pgsql.escapeidentifier-seealso">
  <h3 class="title">Voir aussi</h3>
  <ul class="simplelist">
   <li><span class="methodname"><a href="pdo.quote.php" class="methodname" rel="rdfs-seeAlso">PDO::quote()</a> - Prot&egrave;ge une cha&icirc;ne pour l'utiliser dans une requ&ecirc;te SQL PDO</span></li>
  </ul>
 </div>


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