Position actuelle: Accueil> Derniers articles> Comment utiliser la fonction OPCACHE_GET_CONFIGURATION pour afficher rapidement l'état d'exécution actuel d'Opcache?

Comment utiliser la fonction OPCACHE_GET_CONFIGURATION pour afficher rapidement l'état d'exécution actuel d'Opcache?

gitbox 2025-06-29 
<span><span><span class="hljs-meta">&lt;?php</span></span><span>
</span><span><span class="hljs-comment">// Partie pré-code qui n&#39;est pas liée au contenu de l&#39;article</span></span><span>
</span><span><span class="hljs-comment">// Par exemple，Sortie simple de l&#39;heure actuelle</span></span><span>
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"Heure actuelle："</span></span><span> . </span><span><span class="hljs-title function_ invoke__">date</span></span><span>(</span><span><span class="hljs-string">'Y-m-d H:i:s'</span></span><span>);
</span><span><span class="hljs-meta">?&gt;</span></span><span>

&lt;hr&gt;

</span><span><span class="hljs-meta">&lt;?php</span></span><span>
</span><span><span class="hljs-comment">// Partie de contenu de l&#39;article：Expliquez comment l&#39;utiliser opcache_get_configuration Affichez rapidement la fonction actuelle OPcache État de course</span></span><span>

<span class="hljs-comment">/*
 * OPcache Oui PHP Une extension de cache bytecode，Peut considérablement améliorer PHP Efficacité d&#39;exécution du script。
 * Pendant le développement et le fonctionnement，Comprendre rapidement OPcache L&#39;état actuel est très important。
 * PHP Fonctions intégrées opcache_get_configuration() Peut nous aider à l&#39;obtenir OPcache Informations et état de configuration。
 */</span>

<span class="hljs-comment">/**
 * utiliser opcache_get_configuration Vérifier OPcache Étapes vers l&#39;état de course actuel：
 *
 * 1. Confirmez que le serveur est activé OPcache Étendu
 * 2. passer opcache_get_configuration() Obtenir des informations de configuration
 * 3. Analyser les informations de configuration，Concentrez-vous sur la taille du cache、缓存utiliser情况、Taux de succès, etc.
 */</span>

</span><span><span class="hljs-function"><span class="hljs-keyword">function</span></span></span><span> </span><span><span class="hljs-title">showOpcacheStatus</span></span><span>(</span><span><span class="hljs-params"></span></span><span>) {
    </span><span><span class="hljs-keyword">if</span></span><span> (!</span><span><span class="hljs-title function_ invoke__">function_exists</span></span><span>(</span><span><span class="hljs-string">'opcache_get_configuration'</span></span><span>)) {
        </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"OPcache Étendu未启用或当前 PHP La version ne prend pas en charge cette fonction。"</span></span><span>;
        </span><span><span class="hljs-keyword">return</span></span><span>;
    }

    </span><span><span class="hljs-comment">// Obtenir OPcache Informations sur la configuration et l&#39;état</span></span><span>
    </span><span><span class="hljs-variable">$config</span></span><span> = </span><span><span class="hljs-title function_ invoke__">opcache_get_configuration</span></span><span>();
    </span><span><span class="hljs-variable">$status</span></span><span> = </span><span><span class="hljs-title function_ invoke__">opcache_get_status</span></span><span>(</span><span><span class="hljs-literal">false</span></span><span>); </span><span><span class="hljs-comment">// false Aucun détail de script n&#39;est affiché，Améliorer l&#39;efficacité</span></span><span>

    </span><span><span class="hljs-keyword">if</span></span><span> (!</span><span><span class="hljs-variable">$config</span></span><span> || !</span><span><span class="hljs-variable">$status</span></span><span>) {
        </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"无法Obtenir OPcache Informations sur la configuration ou l&#39;état。"</span></span><span>;
        </span><span><span class="hljs-keyword">return</span></span><span>;
    }

    </span><span><span class="hljs-comment">// Exemple d&#39;informations de configuration de sortie</span></span><span>
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"&lt;h2&gt;OPcache Informations sur la configuration&lt;/h2&gt;"</span></span><span>;
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"&lt;ul&gt;"</span></span><span>;
    </span><span><span class="hljs-keyword">foreach</span></span><span> (</span><span><span class="hljs-variable">$config</span></span><span>[</span><span><span class="hljs-string">'directives'</span></span><span>] </span><span><span class="hljs-keyword">as</span></span><span> </span><span><span class="hljs-variable">$key</span></span><span> =&gt; </span><span><span class="hljs-variable">$value</span></span><span>) {
        </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"&lt;li&gt;&lt;b&gt;"</span></span><span> . </span><span><span class="hljs-title function_ invoke__">htmlspecialchars</span></span><span>(</span><span><span class="hljs-variable">$key</span></span><span>) . </span><span><span class="hljs-string">":&lt;/b&gt; "</span></span><span> . </span><span><span class="hljs-title function_ invoke__">htmlspecialchars</span></span><span>(</span><span><span class="hljs-variable">$value</span></span><span>) . </span><span><span class="hljs-string">"&lt;/li&gt;"</span></span><span>;
    }
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"&lt;/ul&gt;"</span></span><span>;

    </span><span><span class="hljs-comment">// Exemple d&#39;informations sur l&#39;état de sortie</span></span><span>
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"&lt;h2&gt;OPcache État de course&lt;/h2&gt;"</span></span><span>;
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"&lt;ul&gt;"</span></span><span>;
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"&lt;li&gt;&lt;b&gt;缓存utiliser大小:&lt;/b&gt; "</span></span><span> . </span><span><span class="hljs-title function_ invoke__">formatBytes</span></span><span>(</span><span><span class="hljs-variable">$status</span></span><span>[</span><span><span class="hljs-string">'memory_usage'</span></span><span>][</span><span><span class="hljs-string">'used_memory'</span></span><span>]) . </span><span><span class="hljs-string">" / "</span></span><span> . </span><span><span class="hljs-title function_ invoke__">formatBytes</span></span><span>(</span><span><span class="hljs-variable">$status</span></span><span>[</span><span><span class="hljs-string">'memory_usage'</span></span><span>][</span><span><span class="hljs-string">'size'</span></span><span>]) . </span><span><span class="hljs-string">"&lt;/li&gt;"</span></span><span>;
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"&lt;li&gt;&lt;b&gt;Fragments de cache:&lt;/b&gt; "</span></span><span> . </span><span><span class="hljs-title function_ invoke__">round</span></span><span>(</span><span><span class="hljs-variable">$status</span></span><span>[</span><span><span class="hljs-string">'memory_usage'</span></span><span>][</span><span><span class="hljs-string">'wasted_percentage'</span></span><span>], </span><span><span class="hljs-number">2</span></span><span>) . </span><span><span class="hljs-string">"%&lt;/li&gt;"</span></span><span>;
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"&lt;li&gt;&lt;b&gt;Taux de réussite du cache:&lt;/b&gt; "</span></span><span> . </span><span><span class="hljs-title function_ invoke__">calculateHitRate</span></span><span>(</span><span><span class="hljs-variable">$status</span></span><span>) . </span><span><span class="hljs-string">"%&lt;/li&gt;"</span></span><span>;
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"&lt;li&gt;&lt;b&gt;Nombre de scripts mis en cache:&lt;/b&gt; "</span></span><span> . </span><span><span class="hljs-variable">$status</span></span><span>[</span><span><span class="hljs-string">'opcache_statistics'</span></span><span>][</span><span><span class="hljs-string">'num_cached_scripts'</span></span><span>] . </span><span><span class="hljs-string">"&lt;/li&gt;"</span></span><span>;
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"&lt;li&gt;&lt;b&gt;Nombre total de demandes:&lt;/b&gt; "</span></span><span> . </span><span><span class="hljs-variable">$status</span></span><span>[</span><span><span class="hljs-string">'opcache_statistics'</span></span><span>][</span><span><span class="hljs-string">'num_requests'</span></span><span>] . </span><span><span class="hljs-string">"&lt;/li&gt;"</span></span><span>;
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"&lt;/ul&gt;"</span></span><span>;
}

<span class="hljs-comment">/**
 * Octets formatés à des unités plus amicales
 */</span>
</span><span><span class="hljs-function"><span class="hljs-keyword">function</span></span></span><span> </span><span><span class="hljs-title">formatBytes</span></span><span>(</span><span><span class="hljs-params"><span class="hljs-variable">$bytes</span></span></span><span>) {
    </span><span><span class="hljs-variable">$units</span></span><span> = [</span><span><span class="hljs-string">'B'</span></span><span>, </span><span><span class="hljs-string">'KB'</span></span><span>, </span><span><span class="hljs-string">'MB'</span></span><span>, </span><span><span class="hljs-string">'GB'</span></span><span>];
    </span><span><span class="hljs-variable">$i</span></span><span> = </span><span><span class="hljs-number">0</span></span><span>;
    </span><span><span class="hljs-keyword">while</span></span><span> (</span><span><span class="hljs-variable">$bytes</span></span><span> &gt;= </span><span><span class="hljs-number">1024</span></span><span> &amp;&amp; </span><span><span class="hljs-variable">$i</span></span><span> &lt; </span><span><span class="hljs-title function_ invoke__">count</span></span><span>(</span><span><span class="hljs-variable">$units</span></span><span>) - </span><span><span class="hljs-number">1</span></span><span>) {
        </span><span><span class="hljs-variable">$bytes</span></span><span> /= </span><span><span class="hljs-number">1024</span></span><span>;
        </span><span><span class="hljs-variable">$i</span></span><span>++;
    }
    </span><span><span class="hljs-keyword">return</span></span><span> </span><span><span class="hljs-title function_ invoke__">round</span></span><span>(</span><span><span class="hljs-variable">$bytes</span></span><span>, </span><span><span class="hljs-number">2</span></span><span>) . </span><span><span class="hljs-string">' '</span></span><span> . </span><span><span class="hljs-variable">$units</span></span><span>[</span><span><span class="hljs-variable">$i</span></span><span>];
}

<span class="hljs-comment">/**
 * 计算Taux de réussite du cache，Pourcentage unitaire
 */</span>
</span><span><span class="hljs-function"><span class="hljs-keyword">function</span></span></span><span> </span><span><span class="hljs-title">calculateHitRate</span></span><span>(</span><span><span class="hljs-params"><span class="hljs-variable">$status</span></span></span><span>) {
    </span><span><span class="hljs-variable">$hits</span></span><span> = </span><span><span class="hljs-variable">$status</span></span><span>[</span><span><span class="hljs-string">'opcache_statistics'</span></span><span>][</span><span><span class="hljs-string">'hits'</span></span><span>] ?? </span><span><span class="hljs-number">0</span></span><span>;
    </span><span><span class="hljs-variable">$misses</span></span><span> = </span><span><span class="hljs-variable">$status</span></span><span>[</span><span><span class="hljs-string">'opcache_statistics'</span></span><span>][</span><span><span class="hljs-string">'misses'</span></span><span>] ?? </span><span><span class="hljs-number">0</span></span><span>;
    </span><span><span class="hljs-variable">$requests</span></span><span> = </span><span><span class="hljs-variable">$hits</span></span><span> + </span><span><span class="hljs-variable">$misses</span></span><span>;
    </span><span><span class="hljs-keyword">if</span></span><span> (</span><span><span class="hljs-variable">$requests</span></span><span> === </span><span><span class="hljs-number">0</span></span><span>) </span><span><span class="hljs-keyword">return</span></span><span> </span><span><span class="hljs-number">0</span></span><span>;
    </span><span><span class="hljs-keyword">return</span></span><span> </span><span><span class="hljs-title function_ invoke__">round</span></span><span>((</span><span><span class="hljs-variable">$hits</span></span><span> / </span><span><span class="hljs-variable">$requests</span></span><span>) * </span><span><span class="hljs-number">100</span></span><span>, </span><span><span class="hljs-number">2</span></span><span>);
}

</span><span><span class="hljs-comment">// Fonction d&#39;appel pour afficher l&#39;état</span></span><span>
</span><span><span class="hljs-title function_ invoke__">showOpcacheStatus</span></span><span>();
</span><span><span class="hljs-meta">?&gt;</span></span><span>
</span></span>
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