<span><span><span class="hljs-meta"><?php</span></span><span>
</span><span><span class="hljs-comment">// Vor-Code-Teil, der nicht mit dem Inhalt des Artikels zusammenhängt</span></span><span>
</span><span><span class="hljs-comment">// Zum Beispiel,Einfache Ausgabe der aktuellen Zeit</span></span><span>
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"Aktuelle Zeit:"</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">?></span></span><span>
<hr>
</span><span><span class="hljs-meta"><?php</span></span><span>
</span><span><span class="hljs-comment">// Artikelinhalte Teil:Erklären Sie, wie man es benutzt opcache_get_configuration Zeigen Sie schnell die aktuelle Funktion an OPcache Auslaufstatus</span></span><span>
<span class="hljs-comment">/*
* OPcache Ja PHP Eine Bytecode -Cache -Erweiterung,Kann sich stark verbessern PHP Skriptausführungseffizienz。
* Während der Entwicklung und des Betriebs,Schnell verstehen OPcache Der aktuelle Zustand ist sehr wichtig。
* PHP Integrierte Funktionen opcache_get_configuration() Kann uns helfen, es zu bekommen OPcache Konfigurationsinformationen und Status。
*/</span>
<span class="hljs-comment">/**
* verwenden opcache_get_configuration Überprüfen OPcache Schritte zum aktuellen Laufstatus:
*
* 1. Bestätigen Sie, dass der Server aktiviert ist OPcache Erweitert
* 2. passieren opcache_get_configuration() Erhalten Sie Konfigurationsinformationen
* 3. Konfigurationsinformationen analysieren,Konzentrieren Sie sich auf die Cache -Größe、缓存verwenden情况、Trefferrate usw.
*/</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 Erweitert未启用或当前 PHP Die Version unterstützt diese Funktion nicht。"</span></span><span>;
</span><span><span class="hljs-keyword">return</span></span><span>;
}
</span><span><span class="hljs-comment">// Erhalten OPcache Konfigurations- und Statusinformationen</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 Es werden keine Skriptdetails angezeigt,Effizienz verbessern</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Erhalten OPcache Konfigurations- oder Statusinformationen。"</span></span><span>;
</span><span><span class="hljs-keyword">return</span></span><span>;
}
</span><span><span class="hljs-comment">// Beispiel für Ausgangskonfigurationsinformationen</span></span><span>
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<h2>OPcache Konfigurationsinformationen</h2>"</span></span><span>;
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<ul>"</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> => </span><span><span class="hljs-variable">$value</span></span><span>) {
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<li><b>"</span></span><span> . </span><span><span class="hljs-title function_ invoke__">htmlspecialchars</span></span><span>(</span><span><span class="hljs-variable">$key</span></span><span>) . </span><span><span class="hljs-string">":</b> "</span></span><span> . </span><span><span class="hljs-title function_ invoke__">htmlspecialchars</span></span><span>(</span><span><span class="hljs-variable">$value</span></span><span>) . </span><span><span class="hljs-string">"</li>"</span></span><span>;
}
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"</ul>"</span></span><span>;
</span><span><span class="hljs-comment">// Beispiel für Ausgangsstatusinformationen</span></span><span>
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<h2>OPcache Auslaufstatus</h2>"</span></span><span>;
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<ul>"</span></span><span>;
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<li><b>缓存verwenden大小:</b> "</span></span><span> . </span><span><span class="hljs-title function_ invoke__">formatBytes</span></span><span>(</span><span><span class="hljs-variable">$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">$status</span></span><span>[</span><span><span class="hljs-string">'memory_usage'</span></span><span>][</span><span><span class="hljs-string">'size'</span></span><span>]) . </span><span><span class="hljs-string">"</li>"</span></span><span>;
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<li><b>Cache -Fragmente:</b> "</span></span><span> . </span><span><span class="hljs-title function_ invoke__">round</span></span><span>(</span><span><span class="hljs-variable">$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">"%</li>"</span></span><span>;
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<li><b>Cache -Hit -Rate:</b> "</span></span><span> . </span><span><span class="hljs-title function_ invoke__">calculateHitRate</span></span><span>(</span><span><span class="hljs-variable">$status</span></span><span>) . </span><span><span class="hljs-string">"%</li>"</span></span><span>;
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<li><b>Anzahl der zwischengespeicherten Skripte:</b> "</span></span><span> . </span><span><span class="hljs-variable">$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">"</li>"</span></span><span>;
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<li><b>Gesamtzahl der Anfragen:</b> "</span></span><span> . </span><span><span class="hljs-variable">$status</span></span><span>[</span><span><span class="hljs-string">'opcache_statistics'</span></span><span>][</span><span><span class="hljs-string">'num_requests'</span></span><span>] . </span><span><span class="hljs-string">"</li>"</span></span><span>;
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"</ul>"</span></span><span>;
}
<span class="hljs-comment">/**
* Formatierte Bytes zu freundlicheren Einheiten
*/</span>
</span><span><span class="hljs-function"><span class="hljs-keyword">function</span></span></span><span> </span><span><span class="hljs-title">formatBytes</span></span><span>(</span><span><span class="hljs-params"><span class="hljs-variable">$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">$bytes</span></span><span> >= </span><span><span class="hljs-number">1024</span></span><span> && </span><span><span class="hljs-variable">$i</span></span><span> < </span><span><span class="hljs-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Cache -Hit -Rate,Einheit -Prozentsatz
*/</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">// Funktionen aufrufen, um den Status anzuzeigen</span></span><span>
</span><span><span class="hljs-title function_ invoke__">showOpcacheStatus</span></span><span>();
</span><span><span class="hljs-meta">?></span></span><span>
</span></span>