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<div id="function.mb-trim" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">mb_trim</h1>
  <p class="verinfo">(PHP 8 &gt;= 8.4.0)</p><p class="refpurpose"><span class="refname">mb_trim</span> &mdash; <span class="dc-title">Supprime les espaces (ou d&#039;autres caractères) du début et de la fin d&#039;une chaîne</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.mb-trim-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>mb_trim</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$string</code></span>, <span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.string.php" class="type string">string</a></span></span> <code class="parameter">$characters</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>, <span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.string.php" class="type string">string</a></span></span> <code class="parameter">$encoding</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>

  <p class="simpara">
   Effectue une opération <span class="function"><a href="function.trim.php" class="function">trim()</a></span> multi-octets sûre,
   et renvoie une chaîne avec les espaces supprimés du
   début et de la fin de <code class="parameter">string</code>.
   Sans le deuxième paramètre,
   <span class="function"><strong>mb_trim()</strong></span> supprimera les caractères suivants :
  </p>
  
 <ul class="itemizedlist">
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot; &quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+0020), un espace ordinaire.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot;\t&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+0009), une tabulation.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot;\n&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+000A), un saut de ligne.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot;\r&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+000D), un retour chariot.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot;\0&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+0000), l&#039;octet NUL.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot;\v&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+000B), une tabulation verticale.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot;\f&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+000C), une avance de page.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot;\u00A0&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+00A0), un ESPACE INSÉCABLE.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot;\u1680&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+1680), une MARQUE D&#039;ESPACE OGHAM.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot;\u2000&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+2000), un CADRATIN MOYEN.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot;\u2001&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+2001), un CADRATIN.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot;\u2002&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+2002), un ESPACE MOYEN.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot;\u2003&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+2003), un ESPACE CADRATIN.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot;\u2004&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+2004), un ESPACE D&#039;UN-TIERS-DE-CADRATIN.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot;\u2005&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+2005), un ESPACE D&#039;UN-QUART-DE-CADRATIN.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
      <code class="literal">&quot;\u2006&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+2006), un ESPACE D&#039;UN-SIXIÈME-DE-CADRATIN.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
     <code class="literal">&quot;\u2007&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+2007), un ESPACE POUR CHIFFRES.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
     <code class="literal">&quot;\u2008&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+2008), un ESPACE DE PONCTUATION.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
     <code class="literal">&quot;\u2009&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+2009), un ESPACE FINE.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
     <code class="literal">&quot;\u200A&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+200A), un ESPACE CHEVEU.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
     <code class="literal">&quot;\u2028&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+2028), un SÉPARATEUR DE LIGNE.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
     <code class="literal">&quot;\u2029&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+2029), un SÉPARATEUR DE PARAGRAPHE.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
     <code class="literal">&quot;\u202F&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+202F), un ESPACE INSÉCABLE ÉTROIT.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
     <code class="literal">&quot;\u205F&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+205F), un ESPACE MATHÉMATIQUE MOYEN.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
     <code class="literal">&quot;\u3000&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+3000), un ESPACE IDÉOGRAPHIQUE.
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
     <code class="literal">&quot;\u0085&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+0085), une LIGNE SUIVANTE (NEL).
     </span>
    </li>
    <li class="listitem">
     <span class="simpara">
     <code class="literal">&quot;\u180E&quot;</code> (<abbr title="Unique, Universal, and Uniform character enCoding">Unicode</abbr> U+180E), un SÉPARATEUR DE VOYELLE MONGOL.
     </span>
    </li>
   </ul>

 </div>


 <div class="refsect1 parameters" id="refsect1-function.mb-trim-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <dl>
   
    <dt><code class="parameter">string</code></dt>
    <dd>
     <span class="simpara">
      La <span class="type"><a href="language.types.string.php" class="type string">string</a></span> qui sera trimmée.
     </span>
    </dd>
   
   
    <dt><code class="parameter">characters</code></dt>
    <dd>
     
 <span class="simpara">
  Optionnellement, les caractères à supprimer peuvent aussi être spécifiés en utilisant
  le paramètre <code class="parameter">characters</code>.
  Il suffit de lister tous les caractères à supprimer.
 </span>

    </dd>
   
   
    <dt><code class="parameter">encoding</code></dt>
    <dd>
     <p class="para">Le paramètre <code class="parameter">encoding</code>
est l&#039;encodage des caractères. S&#039;il est omis ou <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>, l&#039;encodage de caractères interne
sera utilisé.</p>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.mb-trim-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="simpara">
   La chaîne trimmée.
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.mb-trim-seealso">
  <h3 class="title">Voir aussi</h3>
  <ul class="simplelist">
   <li><span class="function"><a href="function.mb-ltrim.php" class="function" rel="rdfs-seeAlso">mb_ltrim()</a> - Supprime les espaces (ou d'autres caract&egrave;res) du d&eacute;but d'une cha&icirc;ne</span></li>
   <li><span class="function"><a href="function.mb-rtrim.php" class="function" rel="rdfs-seeAlso">mb_rtrim()</a> - Supprime les espaces (ou d'autres caract&egrave;res) de la fin d'une cha&icirc;ne</span></li>
   <li><span class="function"><a href="function.trim.php" class="function" rel="rdfs-seeAlso">trim()</a> - Supprime les espaces (ou d'autres caract&egrave;res) en d&eacute;but et fin de cha&icirc;ne</span></li>
  </ul>
 </div>

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