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?>
<div id="function.svn-diff" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">svn_diff</h1>
  <p class="verinfo">(PECL svn &gt;= 0.1.0)</p><p class="refpurpose"><span class="refname">svn_diff</span> &mdash; <span class="dc-title">Compare deux chemins, récursivement</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.svn-diff-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>svn_diff</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$path1</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$rev1</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$path2</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$rev2</code></span><br>): <span class="type"><a href="language.types.array.php" class="type array">array</a></span></div>

  <p class="simpara">
   Compare deux chemins, <code class="parameter">path1</code> et
   <code class="parameter">path2</code>, récursivement.
  </p>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <span class="simpara">
    Ce n&#039;est pas un véritable utilitaire de comparaison. Seuls les fichiers
    locaux qui sont versionnés peuvent être comparés : les autres fichiers
    échoueront.
   </span>
  </p></blockquote>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.svn-diff-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <dl>
   
    <dt><code class="parameter">path1</code></dt>
    <dd>
     <span class="simpara">
      Premier chemin. Peut être une URL vers un fichier/dossier d&#039;un
      référentiel SVN ou un chemin vers un fichier/dossier local.
     </span>
     <blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">Les chemins relatifs peuvent être résolus
    si le dossier de travail courant est l&#039;un de ceux qui contiennent le binaire PHP.
    Pour utiliser le dossier de travail, utilisez la fonction <span class="function"><a href="function.realpath.php" class="function">realpath()</a></span>,
    ou l&#039;instruction dirname(__FILE__).</span></p></blockquote>
     <div class="warning"><strong class="warning">Avertissement</strong>
      <p class="simpara">
       Si un chemin vers un fichier local n&#039;a que des antislashs et aucun
       slashs, cette extension échouera. Remplacer toujours tous les
       antislashs avec des slashs lors de l&#039;utilisation de cette fonction.
      </p>
     </div>
    </dd>
   
   
    <dt><code class="parameter">rev1</code></dt>
    <dd>
     <span class="simpara">
      Numéro de révision du premier chemin. Utiliser la constante
      <strong><code>SVN_REVISON_HEAD</code></strong> pour spécifier la révision
      la plus récente.
     </span>
    </dd>
   
   
    <dt><code class="parameter">path2</code></dt>
    <dd>
     <span class="simpara">
      Deuxième chemin à comparer. Voir le paramètre
      <code class="parameter">path1</code> pour la description.
     </span>
    </dd>
   
   
    <dt><code class="parameter">rev2</code></dt>
    <dd>
     <span class="simpara">
      Numéro de révision du second chemin. Voir le paramètre
      <code class="parameter">rev1</code> pour la description.
     </span>
    </dd>
   
  </dl>

 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.svn-diff-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="simpara">
   Retourne un tableau contenant 2 flux : le premier représente la sortie
   de la comparaison, et le second contient les erreurs. Les flux peuvent
   être lus en utilisant la fonction <span class="function"><a href="function.fread.php" class="function">fread()</a></span>. Retourne
   <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> ou <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong> si une erreur survient.
  </p>
  <p class="simpara">
   La sortie du comparateur peut, par défaut, être au format de comparaison
   unifié Subversion, mais un
   <a href="http://svnbook.red-bean.com/en/1.2/svn.advanced.externaldifftools.html" class="link external">&raquo;&nbsp;moteur externe de
    comparaison</a> peut être utilisé, suivant la configuration SVN.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.svn-diff-examples">
  <h3 class="title">Exemples</h3>
  <div class="example" id="example-1">
   <p><strong>Exemple #1 Exemple d&#039;utilisation</strong></p>
   <div class="example-contents"><p>
    Cet exemple montre une utilisation basique de cette fonction et récupère
    le contenu depuis les flux :
   </p></div>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">list(</span><span style="color: #0000BB">$diff</span><span style="color: #007700">, </span><span style="color: #0000BB">$errors</span><span style="color: #007700">) = </span><span style="color: #0000BB">svn_diff</span><span style="color: #007700">(<br />    </span><span style="color: #DD0000">'http://www.example.com/svnroot/trunk/foo'</span><span style="color: #007700">, </span><span style="color: #0000BB">SVN_REVISION_HEAD</span><span style="color: #007700">,<br />    </span><span style="color: #DD0000">'http://www.example.com/svnroot/branches/dev/foo'</span><span style="color: #007700">, </span><span style="color: #0000BB">SVN_REVISION_HEAD<br /></span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$diff</span><span style="color: #007700">) exit;<br /></span><span style="color: #0000BB">$contents </span><span style="color: #007700">= </span><span style="color: #DD0000">''</span><span style="color: #007700">;<br />while (!</span><span style="color: #0000BB">feof</span><span style="color: #007700">(</span><span style="color: #0000BB">$diff</span><span style="color: #007700">)) {<br />  </span><span style="color: #0000BB">$contents </span><span style="color: #007700">.= </span><span style="color: #0000BB">fread</span><span style="color: #007700">(</span><span style="color: #0000BB">$diff</span><span style="color: #007700">, </span><span style="color: #0000BB">8192</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">fclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$diff</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$errors</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$contents</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>L&#039;exemple ci-dessus va afficher :</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">Index: http://www.example.com/svnroot/trunk/foo
===================================================================
--- http://www.example.com/svnroot/trunk/foo        (.../foo) (revision 23)
+++ http://www.example.com/svnroot/branches/dev/foo (.../foo) (revision 27)
 // further diff output</pre>
</div>
   </div>
  </div>
  <div class="example" id="example-2">
   <p><strong>Exemple #2 Comparaison de deux révisions d&#039;un chemin du référentiel</strong></p>
   <div class="example-contents"><p>
    Cet exemple implémente un gestionnaire permettant
    à un utilisateur de comparer facilement deux révisions d&#039;un élément
    en utilisant un chemin de référentiel externe (la syntaxe par défaut est verbeuse) :
   </p></div>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">svn_diff_same_item</span><span style="color: #007700">(</span><span style="color: #0000BB">$path</span><span style="color: #007700">, </span><span style="color: #0000BB">$rev1</span><span style="color: #007700">, </span><span style="color: #0000BB">$rev2</span><span style="color: #007700">) {<br />    return </span><span style="color: #0000BB">svn_diff</span><span style="color: #007700">(</span><span style="color: #0000BB">$path</span><span style="color: #007700">, </span><span style="color: #0000BB">$rev1</span><span style="color: #007700">, </span><span style="color: #0000BB">$path</span><span style="color: #007700">, </span><span style="color: #0000BB">$rev2</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

  </div>
  <div class="example" id="example-3">
   <p><strong>Exemple #3 Comparaison, plus portable, de deux fichiers locaux</strong></p>
   <div class="example-contents"><p>
    Cet exemple implémente un gestionnaire permettant de comparer
    deux fichiers locaux, de façon plus portable en gérant le problème de
    <span class="function"><a href="function.realpath.php" class="function">realpath()</a></span> et le bogue sur les antislashs :
   </p></div>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">svn_diff_local</span><span style="color: #007700">(</span><span style="color: #0000BB">$path1</span><span style="color: #007700">, </span><span style="color: #0000BB">$rev1</span><span style="color: #007700">, </span><span style="color: #0000BB">$path2</span><span style="color: #007700">, </span><span style="color: #0000BB">$rev2</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$path1 </span><span style="color: #007700">= </span><span style="color: #0000BB">str_replace</span><span style="color: #007700">(</span><span style="color: #DD0000">'\\'</span><span style="color: #007700">, </span><span style="color: #DD0000">'/'</span><span style="color: #007700">, </span><span style="color: #0000BB">realpath</span><span style="color: #007700">(</span><span style="color: #0000BB">$path1</span><span style="color: #007700">));<br />    </span><span style="color: #0000BB">$path2 </span><span style="color: #007700">= </span><span style="color: #0000BB">str_replace</span><span style="color: #007700">(</span><span style="color: #DD0000">'\\'</span><span style="color: #007700">, </span><span style="color: #DD0000">'/'</span><span style="color: #007700">, </span><span style="color: #0000BB">realpath</span><span style="color: #007700">(</span><span style="color: #0000BB">$path2</span><span style="color: #007700">));<br />    return </span><span style="color: #0000BB">svn_diff</span><span style="color: #007700">(</span><span style="color: #0000BB">$path1</span><span style="color: #007700">, </span><span style="color: #0000BB">$rev1</span><span style="color: #007700">, </span><span style="color: #0000BB">$path2</span><span style="color: #007700">, </span><span style="color: #0000BB">$rev2</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

  </div>
 </div>


 <div class="refsect1 notes" id="refsect1-function.svn-diff-notes">
  <h3 class="title">Notes</h3>
  <div class="warning"><strong class="warning">Avertissement</strong><p class="simpara">
 Cette fonction est <em>EXPERIMENTALE</em>. Le comportement de cette fonction, son nom, et toute la
 documentation autour de cette fonction peut changer sans préavis dans une prochaine version de PHP.
 Cette fonction doit être utilisée à vos risques et périls.
</p></div>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.svn-diff-seealso">
  <h3 class="title">Voir aussi</h3>
  <ul class="simplelist">
   <li><a href="http://svnbook.red-bean.com/en/1.2/svn.ref.svn.c.diff.html" class="link external">&raquo;&nbsp;Documentation SVN sur la commande <code class="literal">&quot;svn diff&quot;</code></a></li>
  </ul>
 </div>


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