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<div id="oci8.examples" class="chapter">
 <h1 class="title">Exemples</h1>

 <p class="para">
  Ces exemples utilisent, pour se connecter à la base de données,
  l&#039;utilisateur <code class="literal">HR</code> qui est le schéma
  <code class="literal">&quot;Human Resources&quot;</code> fourni par la
  base de données Oracle. Ce compte doit avoir été déverrouillé et
  le mot de passe réinitialisé avant de pouvoir l&#039;utiliser.
 </p>

 <p class="para">
  Ces exemples se connectent à la base de données
  <code class="literal">XE</code> de la machine. Modifier la chaîne de connexion
  afin de correspondre à la base de données avant d&#039;exécuter les
  exemples de cette documentation.
 </p>

 <div class="example" id="example-1">
  <p><strong>Exemple #1 Requête simple</strong></p>
  <div class="example-contents"><p>
   Cet exemple montre l&#039;exécution d&#039;une requête et l&#039;affichage des résultats.
   Les requêtes OCI8 utilisent les étapes préparation/exécution/récupération
   des données.
  </p></div>
  <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br />    </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">// Préparation de la requête<br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'SELECT * FROM departments'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$stid</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br />    </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">// Exécution de la logique de la requête<br /></span><span style="color: #0000BB">$r </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$r</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br />    </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">// Récupération des résultats de la requête<br /></span><span style="color: #007700">print </span><span style="color: #DD0000">"&lt;table border='1'&gt;\n"</span><span style="color: #007700">;<br />while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">+</span><span style="color: #0000BB">OCI_RETURN_NULLS</span><span style="color: #007700">)) {<br />    print </span><span style="color: #DD0000">"&lt;tr&gt;\n"</span><span style="color: #007700">;<br />    foreach (</span><span style="color: #0000BB">$row </span><span style="color: #007700">as </span><span style="color: #0000BB">$item</span><span style="color: #007700">) {<br />        print </span><span style="color: #DD0000">"    &lt;td&gt;" </span><span style="color: #007700">. (</span><span style="color: #0000BB">$item </span><span style="color: #007700">!== </span><span style="color: #0000BB">null </span><span style="color: #007700">? </span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$item</span><span style="color: #007700">, </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">) : </span><span style="color: #DD0000">""</span><span style="color: #007700">) . </span><span style="color: #DD0000">"&lt;/td&gt;\n"</span><span style="color: #007700">;<br />    }<br />    print </span><span style="color: #DD0000">"&lt;/tr&gt;\n"</span><span style="color: #007700">;<br />}<br />print </span><span style="color: #DD0000">"&lt;/table&gt;\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
  </div>

 </div>

 <div class="example" id="example-2">
  <p><strong>Exemple #2 Insertion de données en utilisant des variables liées</strong></p>
  <div class="example-contents"><p>
   Les variables liées augmentent les performances en permettant la réutilisation
   du cache et du contexte d&#039;exécution. Les variables liées augmentent également
   la sécurité en prévenant bon nombre d&#039;injections SQL.
  </p></div>
  <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">// Avant l'exécution, créez la table suivante :<br />//   CREATE TABLE MYTABLE (mid NUMBER, myd VARCHAR2(20));<br /><br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br />    </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'INSERT INTO MYTABLE (mid, myd) VALUES(:myid, :mydata)'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$id </span><span style="color: #007700">= </span><span style="color: #0000BB">60</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$data </span><span style="color: #007700">= </span><span style="color: #DD0000">'Some data'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">oci_bind_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #DD0000">':myid'</span><span style="color: #007700">, </span><span style="color: #0000BB">$id</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_bind_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #DD0000">':mydata'</span><span style="color: #007700">, </span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$r </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);  </span><span style="color: #FF8000">// exécution et validation<br /><br /></span><span style="color: #007700">if (</span><span style="color: #0000BB">$r</span><span style="color: #007700">) {<br />    print </span><span style="color: #DD0000">"Une ligne insérée"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</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 Liage d&#039;une clause WHERE d&#039;une requête</strong></p>
  <div class="example-contents"><p>
   Ceci montre le liage simple.
  </p></div>
  <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"hr"</span><span style="color: #007700">, </span><span style="color: #DD0000">"hrpwd"</span><span style="color: #007700">, </span><span style="color: #DD0000">"localhost/XE"</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$m </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br />    </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$m</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">]), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">'SELECT last_name FROM employees WHERE department_id = :didbv ORDER BY last_name'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$sql</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$didbv </span><span style="color: #007700">= </span><span style="color: #0000BB">60</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">oci_bind_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #DD0000">':didbv'</span><span style="color: #007700">, </span><span style="color: #0000BB">$didbv</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br />while ((</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">)) != </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br />    echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'LAST_NAME'</span><span style="color: #007700">] .</span><span style="color: #DD0000">"&lt;br&gt;\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">// Affiche :<br />//    Austin<br />//    Ernst<br />//    Hunold<br />//    Lorentz<br />//    Pataballa<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
  </div>

 </div>

 <div class="example" id="example-4">
  <p><strong>Exemple #4 Insertion de données dans une colonne CLOB</strong></p>
  <div class="example-contents"><p>
   Pour de lourdes données, utiliser un objet binaire long (BLOB)
   ou un objet de caractères long (CLOB). Cet exemple utilise les CLOB.
  </p></div>
  <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">// Avant l'exécution, créez la table suivante :<br />//     CREATE TABLE MYTABLE (mykey NUMBER, myclob CLOB);<br /><br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br />    </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$mykey </span><span style="color: #007700">= </span><span style="color: #0000BB">12343</span><span style="color: #007700">;  </span><span style="color: #FF8000">// clé arbitraire pour l'exemple<br /><br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">"INSERT INTO mytable (mykey, myclob)<br />        VALUES (:mykey, EMPTY_CLOB())<br />        RETURNING myclob INTO :myclob"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$sql</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$clob </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_new_descriptor</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_D_LOB</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_bind_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #DD0000">":mykey"</span><span style="color: #007700">, </span><span style="color: #0000BB">$mykey</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_bind_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #DD0000">":myclob"</span><span style="color: #007700">, </span><span style="color: #0000BB">$clob</span><span style="color: #007700">, -</span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_B_CLOB</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_NO_AUTO_COMMIT</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$clob</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">save</span><span style="color: #007700">(</span><span style="color: #DD0000">"Une chaîne vraiment très longue"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">oci_commit</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Récupération de données CLOB<br /><br /></span><span style="color: #0000BB">$query </span><span style="color: #007700">= </span><span style="color: #DD0000">'SELECT myclob FROM mytable WHERE mykey = :mykey'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse </span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$query</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_bind_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #DD0000">":mykey"</span><span style="color: #007700">, </span><span style="color: #0000BB">$mykey</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br />print </span><span style="color: #DD0000">'&lt;table border="1"&gt;'</span><span style="color: #007700">;<br />while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">+</span><span style="color: #0000BB">OCI_RETURN_LOBS</span><span style="color: #007700">)) {<br />    print </span><span style="color: #DD0000">'&lt;tr&gt;&lt;td&gt;'</span><span style="color: #007700">.</span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'MYCLOB'</span><span style="color: #007700">].</span><span style="color: #DD0000">'&lt;/td&gt;&lt;/tr&gt;'</span><span style="color: #007700">;<br />    </span><span style="color: #FF8000">// Dans une boucle, le fait de libérer la variable avantde récupérer la<br />    // seconde ligne permet de réduire l'utilisation mémoire de PHP<br />    </span><span style="color: #007700">unset(</span><span style="color: #0000BB">$row</span><span style="color: #007700">);  <br />}<br />print </span><span style="color: #DD0000">'&lt;/table&gt;'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
  </div>

 </div>

 <div class="example" id="example-5">
  <p><strong>Exemple #5 Utilisation d&#039;une procédure stockée PL/SQL</strong></p>
  <div class="example-contents"><p>
   Il faut lier une variable pour la valeur retournée et, optionnellement,
   pour tous les arguments de la fonction PL/SQL.
  </p></div>
  <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">/*<br />  Avant d'exécuter le programme PHP, créez une fonction stockée<br />  en langage SQL*Plus ou SQL Developer :<br /><br />  CREATE OR REPLACE FUNCTION myfunc(p IN NUMBER) RETURN NUMBER AS<br />  BEGIN<br />      RETURN p * 3;<br />  END;<br /><br />*/<br /><br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br />    </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$p </span><span style="color: #007700">= </span><span style="color: #0000BB">8</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'begin :r := myfunc(:p); end;'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_bind_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #DD0000">':p'</span><span style="color: #007700">, </span><span style="color: #0000BB">$p</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_bind_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #DD0000">':r'</span><span style="color: #007700">, </span><span style="color: #0000BB">$r</span><span style="color: #007700">, </span><span style="color: #0000BB">40</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br />print </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$r</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;   </span><span style="color: #FF8000">// Affiche 24<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
  </div>

 </div>

 <div class="example" id="example-6">
  <p><strong>Exemple #6 Utilisation d&#039;une procédure stockée PL/SQL</strong></p>
  <div class="example-contents"><p>
   Avec les procédures stockées, il faut lier les variables pour tous
   les arguments.
  </p></div>
  <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">/*<br />  Avant d'exécuter le programme PHP, créez une procédure stockée en<br />  langage SQL*Plus ou SQL Developer :<br /><br />  CREATE OR REPLACE PROCEDURE myproc(p1 IN NUMBER, p2 OUT NUMBER) AS<br />  BEGIN<br />      p2 := p1 * 2;<br />  END;<br /><br />*/<br /><br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br />    </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$p1 </span><span style="color: #007700">= </span><span style="color: #0000BB">8</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'begin myproc(:p1, :p2); end;'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_bind_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #DD0000">':p1'</span><span style="color: #007700">, </span><span style="color: #0000BB">$p1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_bind_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #DD0000">':p2'</span><span style="color: #007700">, </span><span style="color: #0000BB">$p2</span><span style="color: #007700">, </span><span style="color: #0000BB">40</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br />print </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$p2</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;   </span><span style="color: #FF8000">// affiche 16<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
  </div>

 </div>

 <div class="example" id="example-7">
  <p><strong>Exemple #7 Appel d&#039;une fonction PL/SQL qui retourne un <code class="literal">REF CURSOR</code></strong></p>
  <div class="example-contents"><p>
   Chaque valeur retournée par la requête est un <code class="literal">REF
   CURSOR</code> à utiliser pour récupérer les données.
  </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: #FF8000">/*<br />  Créez une fonction stockée PL/SQL comme ceci :<br /><br />  CREATE OR REPLACE FUNCTION myfunc(p1 IN NUMBER) RETURN SYS_REFCURSOR AS<br />      rc SYS_REFCURSOR;<br />  BEGIN<br />      OPEN rc FOR SELECT city FROM locations WHERE ROWNUM &lt; p1;<br />      RETURN rc;<br />  END;<br />*/<br /><br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'SELECT myfunc(5) AS mfrc FROM dual'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #DD0000">"&lt;table border='1'&gt;\n"</span><span style="color: #007700">;<br />while ((</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">))) {<br />    echo </span><span style="color: #DD0000">"&lt;tr&gt;\n"</span><span style="color: #007700">;<br />    </span><span style="color: #0000BB">$rc </span><span style="color: #007700">= </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'MFRC'</span><span style="color: #007700">];<br />    </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$rc</span><span style="color: #007700">);  </span><span style="color: #FF8000">// La valeur de la colonne retournée depuis la requête est une référence de curseur<br />    </span><span style="color: #007700">while ((</span><span style="color: #0000BB">$rc_row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$rc</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">))) {   <br />        echo </span><span style="color: #DD0000">"    &lt;td&gt;" </span><span style="color: #007700">. </span><span style="color: #0000BB">$rc_row</span><span style="color: #007700">[</span><span style="color: #DD0000">'CITY'</span><span style="color: #007700">] . </span><span style="color: #DD0000">"&lt;/td&gt;\n"</span><span style="color: #007700">;<br />    }<br />    </span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$rc</span><span style="color: #007700">);<br />    echo </span><span style="color: #DD0000">"&lt;/tr&gt;\n"</span><span style="color: #007700">;<br />}<br />echo </span><span style="color: #DD0000">"&lt;/table&gt;\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// Affiche :<br />//   Beijing<br />//   Bern<br />//   Bombay<br />//   Geneva<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
  </div>

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