set_include_path 함수의 반환 값은 얼마입니까? 예외를 다루는 방법?

gitbox 2025-09-04
<span><span><span class="hljs-meta">&lt;?php</span></span><span>
</span><span><span class="hljs-comment">// 이것은 기사의 내용과 관련이 없습니다.PHP코드 예제</span></span><span>
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"다음은 페이지 상단의 관련없는 출력입니다.。"</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 class="hljs-comment">/**
 * set_include_path함수의 반환 값은 무엇입니까?？예외를 처리하는 방법？
 *
 * 존재하다PHP가운데，set_include_path함수는 현재 스크립트를 설정하는 데 사용됩니다include_path，
 * 그게PHP존재하다引入文件（좋다include또는require）검색 할 디렉토리 경로 목록。
 *
 * 기본 구문：
 * set_include_path(string $new_include_path): string|false
 *
 * 반환 값：
 * - 성공할 때：반품**수정 전include_path**，그게调用前~의原始值。
 * - 실패시：반품**false**。
 *
 * 예：
 */</span>

</span><span><span class="hljs-variable">$originalPath</span></span><span> = </span><span><span class="hljs-title function_ invoke__">get_include_path</span></span><span>();
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"수정 전include_path: <span class="hljs-subst">$originalPath</span></span></span><span>&lt;br&gt;";

</span><span><span class="hljs-variable">$newPath</span></span><span> = </span><span><span class="hljs-string">'/var/www/html/includes'</span></span><span>;
</span><span><span class="hljs-variable">$result</span></span><span> = </span><span><span class="hljs-title function_ invoke__">set_include_path</span></span><span>(</span><span><span class="hljs-variable">$newPath</span></span><span>);

</span><span><span class="hljs-keyword">if</span></span><span> (</span><span><span class="hljs-variable">$result</span></span><span> === </span><span><span class="hljs-literal">false</span></span><span>) {
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"설정include_path실패하다！&lt;br&gt;"</span></span><span>;
} </span><span><span class="hljs-keyword">else</span></span><span> {
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"설정include_path성공，원래의 경로는입니다: <span class="hljs-subst">$result</span></span></span><span>&lt;br&gt;";
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"현재의include_path~을 위한: "</span></span><span> . </span><span><span class="hljs-title function_ invoke__">get_include_path</span></span><span>() . </span><span><span class="hljs-string">"&lt;br&gt;"</span></span><span>;
}

<span class="hljs-comment">/**
 * 예외 처리
 *
 * PHP~의set_include_path함수 자체는 예외를 던지지 않습니다，它只반품布尔值。
 * 그러므로，常见~의做法是通过判断반환 값来处理可能~의错误。
 *
 * 좋다果想用异常机制，수동으로 포장 할 수 있습니다：
 */</span>

</span><span><span class="hljs-function"><span class="hljs-keyword">function</span></span></span><span> </span><span><span class="hljs-title">safe_set_include_path</span></span><span>(</span><span><span class="hljs-params"><span class="hljs-variable">$path</span></span></span><span>) {
    </span><span><span class="hljs-variable">$result</span></span><span> = </span><span><span class="hljs-title function_ invoke__">set_include_path</span></span><span>(</span><span><span class="hljs-variable">$path</span></span><span>);
    </span><span><span class="hljs-keyword">if</span></span><span> (</span><span><span class="hljs-variable">$result</span></span><span> === </span><span><span class="hljs-literal">false</span></span><span>) {
        </span><span><span class="hljs-keyword">throw</span></span><span> </span><span><span class="hljs-keyword">new</span></span><span> </span><span><span class="hljs-built_in">Exception</span></span><span>(</span><span><span class="hljs-string">"설정include_path실패하다，길을 시도하십시오: <span class="hljs-subst">$path</span></span></span><span>");
    }
    </span><span><span class="hljs-keyword">return</span></span><span> </span><span><span class="hljs-variable">$result</span></span><span>;
}

</span><span><span class="hljs-keyword">try</span></span><span> {
    </span><span><span class="hljs-variable">$previous</span></span><span> = </span><span><span class="hljs-title function_ invoke__">safe_set_include_path</span></span><span>(</span><span><span class="hljs-string">'/invalid/path'</span></span><span>);
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"修改성공，原路径~을 위한: <span class="hljs-subst">$previous</span></span></span><span>&lt;br&gt;";
} </span><span><span class="hljs-keyword">catch</span></span><span> (</span><span><span class="hljs-built_in">Exception</span></span><span> </span><span><span class="hljs-variable">$e</span></span><span>) {
    </span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"예외를 포착하십시오: "</span></span><span> . </span><span><span class="hljs-variable">$e</span></span><span>-&gt;</span><span><span class="hljs-title function_ invoke__">getMessage</span></span><span>() . </span><span><span class="hljs-string">"&lt;br&gt;"</span></span><span>;
}

<span class="hljs-comment">/**
 * 요약：
 * 1. set_include_path~의반환 값~을 위한수정 전路径，실패하다반품false。
 * 2. 함수 자체는 예외를 던지지 않습니다，需要通过判断반환 값또는패키지函数来进行예외 처리。
 * 3. 존재하다生产环境가운데，사용하는 것이 좋습니다try-catch패키지，以便统一处理可能~의错误。
 */</span>
</span><span><span class="hljs-meta">?&gt;</span></span><span>
</span></span>
set_include_path