Was sind die gängigen logischen Fehler bei der Verwendung von apcu_exists? Wie vermeiden Sie diese Probleme?

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</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<h1>verwendenapcu_existsWas sind die üblichen logischen Fehler?？Wie man diese Probleme vermeidet？</h1>"</span></span><span>;

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</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<p>APCuJaPHPErweiterungen für Speichercache，Es liefert die Funktion von Cache-Schlüsselwertpaaren。In，<code>apcu_exists()