Existe-t-il un exemple d'utilisation de la fonction PNG2WBMP? Voyez comment ce code PHP convertit PNG en WBMP

<span><span><span class="hljs-meta">&lt;?php</span></span><span>
</span><span><span class="hljs-comment">// Cette partie du code n&#39;a rien à voir avec le contenu du texte，Utilisé pour démontrer la séparation de la structure des articles</span></span><span>

</span><span><span class="hljs-comment">// Supposons qu&#39;il s&#39;agit d&#39;un code non pertinent au début de l&#39;article</span></span><span>
</span><span><span class="hljs-function"><span class="hljs-keyword">function</span></span></span><span> </span><span><span class="hljs-title">dummyFunction</span></span><span>(</span><span><span class="hljs-params"></span></span><span>) {
    </span><span><span class="hljs-keyword">return</span></span><span> </span><span><span class="hljs-string">"Ce n&#39;est qu&#39;une fonction non pertinente"</span></span><span>;
}
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-title function_ invoke__">dummyFunction</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">// Section de texte：PHPComment l&#39;utiliserpng2wbmpLa fonction seraPNGConvertir l&#39;image enWBMPFormat</span></span><span>

</span><span><span class="hljs-comment">// png2wbmpFonction Introduction：</span></span><span>
</span><span><span class="hljs-comment">// png2wbmp() Les fonctions sont utilisées pourPNGFormat的图像转换成WBMPFormat图像。</span></span><span>
</span><span><span class="hljs-comment">// grammaire：bool png2wbmp ( string $srcfile , string $destfile [, int $threshold = 128 ] )</span></span><span>
</span><span><span class="hljs-comment">// Description du paramètre：</span></span><span>
</span><span><span class="hljs-comment">// - $srcfile：sourcePNGChemin de fichier。</span></span><span>
</span><span><span class="hljs-comment">// - $destfile：CibleWBMPChemin de fichier。</span></span><span>
</span><span><span class="hljs-comment">// - $threshold（Facultatif）：Seuil noir et blanc，défaut128，Décidez quels pixels sont considérés comme noirs。</span></span><span>

</span><span><span class="hljs-comment">// Exemple d&#39;utilisation：</span></span><span>

</span><span><span class="hljs-variable">$src</span></span><span> = </span><span><span class="hljs-string">'input.png'</span></span><span>;     </span><span><span class="hljs-comment">// SaisirPNGChemin de fichier</span></span><span>
</span><span><span class="hljs-variable">$dest</span></span><span> = </span><span><span class="hljs-string">'output.wbmp'</span></span><span>;  </span><span><span class="hljs-comment">// SortirWBMPChemin de fichier</span></span><span>

</span><span><span class="hljs-keyword">if</span></span><span> (</span><span><span class="hljs-title function_ invoke__">file_exists</span></span><span>(</span><span><span class="hljs-variable">$src</span></span><span>)) {
    </span><span><span class="hljs-variable">$result</span></span><span> = </span><span><span class="hljs-title function_ invoke__">png2wbmp</span></span><span>(</span><span><span class="hljs-variable">$src</span></span><span>, </span><span><span class="hljs-variable">$dest</span></span><span>);
    </span><span><span class="hljs-keyword">if</span></span><span> (</span><span><span class="hljs-variable">$result</span></span><span>) {
        </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"PNGSe convertir avec succès enWBMP，Enregistrer le fichier en tant que：<span class="hljs-subst">{$dest}</span></span></span><span>";
    } </span><span><span class="hljs-keyword">else</span></span><span> {
        </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"La conversion a échoué，请检查Chemin de fichier或Format。"</span></span><span>;
    }
} </span><span><span class="hljs-keyword">else</span></span><span> {
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"source文件不存在，Veuillez confirmer le chemin：<span class="hljs-subst">{$src}</span></span></span><span>";
}
</span><span><span class="hljs-meta">?&gt;</span></span><span>
</span></span>