在 PHP 中設定 PHP_AUTH_USER 和 PHP_AUTH_PW

php小編柚子為您介紹如何在PHP中設定PHP_AUTH_USER和PHP_AUTH_PW，這兩個變數是用於HTTP基本認證的使用者名稱和密碼，可用於驗證使用者身分。透過設定這兩個變量，您可以在PHP腳本中輕鬆取得使用者提供的使用者名稱和密碼訊息，從而實現安全的身份驗證功能。本文將詳細講解如何在PHP程式碼中設定和取得這兩個變量，讓您輕鬆應對身份驗證需求。

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在PHP 中使用curl Post 請求設定PHP_AUTH_USER 和PHP_AUTH_PW

#我們將透過向PHP 程式碼發送curl 請求來設定使用者名稱和密碼。

<code><code class="language-php hljs" data-lang="php"><span style="display:flex;"><span><span style="color:#666"></span>php
</span></span><span style="display:flex;"><span><span style="color:#19177c">$username</span> <span style="color:#666">=</span> <span style="color:#ba2121">'Kevin'</span>;
</span></span><span style="display:flex;"><span><span style="color:#19177c">$pass<strong class="keylink">Word</strong></span> <span style="color:#666">=</span> <span style="color:#ba2121">'Musungu455'</span>;
</span></span><span style="display:flex;"><span><span style="color:#19177c">$url</span> <span style="color:#666">=</span> <span style="color:#ba2121">'<strong class="keylink">Http</strong>://localhost:2145/test2'</span>;
</span></span><span style="display:flex;"><span><span style="color:#19177c">$c</span> <span style="color:#666">=</span> curl_init();
</span></span><span style="display:flex;"><span>curl_setopt(<span style="color:#19177c">$c</span>, CURLOPT_URL, <span style="color:#19177c">$url</span>);
</span></span><span style="display:flex;"><span>curl_setopt(<span style="color:#19177c">$c</span>, CURLOPT_RETURNTRANSFER, <span style="color:#008000;font-weight:bold">true</span>);
</span></span><span style="display:flex;"><span>curl_setopt(<span style="color:#19177c">$c</span>, CURLOPT_USERPWD, <span style="color:#ba2121">"</span><span style="color:#b68;font-weight:bold">$username</span><span style="color:#ba2121">:</span><span style="color:#b68;font-weight:bold">$password</span><span style="color:#ba2121">"</span>);
</span></span><span style="display:flex;"><span>curl_setopt(<span style="color:#19177c">$c</span>, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
</span></span><span style="display:flex;"><span><span style="color:#19177c">$output</span> <span style="color:#666">=</span> curl_exec(<span style="color:#19177c">$c</span>);
</span></span><span style="display:flex;"><span><span style="color:#19177c">$info</span> <span style="color:#666">=</span> curl_getinfo(<span style="color:#19177c">$c</span>);
</span></span><span style="display:flex;"><span>print_r(<span style="color:#19177c">$info</span>);
</span></span><span style="display:flex;"><span>curl_close(<span style="color:#19177c">$c</span>);
</span></span><span style="display:flex;"><span><span style="color:#bc7a00">?></span><span >
</span></span></span></code></code>

輸出：

<code><code class="language-text hljs" data-lang="text"><span style="display:flex;"><span>Array
</span></span><span style="display:flex;"><span>	(
</span></span><span style="display:flex;"><span>		[url] => http://localhost:2145/test2
</span></span><span style="display:flex;"><span>		[content_type] => text/<strong class="keylink">html</strong>; charset=iso-8859-1
</span></span><span style="display:flex;"><span>		[http_code] => 301
</span></span><span style="display:flex;"><span>		[header_size] => 262
</span></span><span style="display:flex;"><span>		[request_size] => 105
</span></span><span style="display:flex;"><span>		[filetime] => -1
</span></span><span style="display:flex;"><span>		[ssl_verify_result] => 0
</span></span><span style="display:flex;"><span>		[redirect_count] => 0
</span></span><span style="display:flex;"><span>		[total_time] => 0.000658
</span></span><span style="display:flex;"><span>		[namelookup_time] => 0.000132
</span></span><span style="display:flex;"><span>		[connect_time] => 0.000209
</span></span><span style="display:flex;"><span>		[pretransfer_time] => 0.000246
</span></span><span style="display:flex;"><span>		[size_upload] => 0
</span></span><span style="display:flex;"><span>		[size_download] => 236
</span></span><span style="display:flex;"><span>		[speed_download] => 358662
</span></span><span style="display:flex;"><span>		[speed_upload] => 0
</span></span><span style="display:flex;"><span>		[download_content_length] => 236
</span></span><span style="display:flex;"><span>		[upload_content_length] => -1
</span></span><span style="display:flex;"><span>		[starttransfer_time] => 0.000604
</span></span><span style="display:flex;"><span>		[redirect_time] => 0
</span></span><span style="display:flex;"><span>		[redirect_url] => http://localhost:2145/test2/
</span></span><span style="display:flex;"><span>		[primary_ip] => 127.0.0.1
</span></span><span style="display:flex;"><span>		[certinfo] => Array()
</span></span><span style="display:flex;"><span>		[primary_port] => 2145
</span></span><span style="display:flex;"><span>		[local_ip] => 127.0.0.1
</span></span><span style="display:flex;"><span>		[local_port] => 58738
</span></span><span style="display:flex;"><span>		[http_vers<strong class="keylink">io</strong>n] => 2
</span></span><span style="display:flex;"><span>		[protocol] => 1
</span></span><span style="display:flex;"><span>		[ssl_verifyresult] => 0
</span></span><span style="display:flex;"><span>		[scheme] => HTTP
</span></span><span style="display:flex;"><span>	)
</span></span></code></code>

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在PHP 中在命令列中使用curl 請求設定PHP_AUTH_USER 和PHP_AUTH_PW

我們將透過命令列發送curl 請求來設定使用者名稱和密碼。

<code><code class="language-shell hljs" data-lang="shell"><span style="display:flex;"><span>curl --user Kevin:Musungu455 http://localhost:2145
</span></span></code></code>

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在PHP 中如何確認值PHP_AUTH_USER 和PHP_AUTH_PW 是否已成功設定

#我們將檢查使用者名稱和密碼是否已設定，如果已設置，則顯示帶有使用者名稱和密碼的成功訊息。

<code><code class="language-php hljs" data-lang="php"><span style="display:flex;"><span><span style="color:#666"></span>php
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#008000;font-weight:bold">if</span>(<span style="color:#666">!</span>isset(<span style="color:#19177c">$PHP_AUTH_USER</span>)) {
</span></span><span style="display:flex;"><span>Header(<span style="color:#ba2121">"WWW-Authenticate: Basic realm=</span><span style="color:#b62;font-weight:bold">"</span><span style="color:#ba2121">My Realm</span><span style="color:#b62;font-weight:bold">"</span><span style="color:#ba2121">"</span>);
</span></span><span style="display:flex;"><span>Header(<span style="color:#ba2121">"HTTP/1.0 401 Unauthorized"</span>);
</span></span><span style="display:flex;"><span><span style="color:#008000;font-weight:bold">echo</span> <span style="color:#ba2121">"Sign in cancelled</span><span style="color:#b62;font-weight:bold">\n</span><span style="color:#ba2121">"</span>;
</span></span><span style="display:flex;"><span><span style="color:#008000;font-weight:bold">exit</span>;
</span></span><span style="display:flex;"><span>} <span style="color:#008000;font-weight:bold">else</span> {
</span></span><span style="display:flex;"><span><span style="color:#008000;font-weight:bold">echo</span> <span style="color:#ba2121">"Hello </span><span style="color:#b68;font-weight:bold">$PHP_AUTH_USER</span><span style="color:#ba2121">.<p>"</p></span>;
</span></span><span style="display:flex;"><span><span style="color:#008000;font-weight:bold">echo</span> <span style="color:#ba2121">"You entered </span><span style="color:#b68;font-weight:bold">$PHP_AUTH_PW</span><span style="color:#ba2121"> as your password.<p>"</p></span>;
</span></span><span style="display:flex;"><span>}
</span></span><span style="display:flex;"><span><span style="color:#bc7a00">?></span><span >
</span></span></span></code></code>

輸出：

<code><code class="language-text hljs" data-lang="text"><span style="display:flex;"><span>Hello Kevin.
</span></span><span style="display:flex;"><span>You entered Musungu455 as your password.
</span></span></code></code>

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