Setting PHP_AUTH_USER and PHP_AUTH_PW in PHP

php editor Youzi will introduce to you how to set PHP_AUTH_USER and PHP_AUTH_PW in PHP. These two variables are the username and password used for HTTP basic authentication and can be used to verify user identity. By setting these two variables, you can easily obtain the username and password information provided by the user in your PHP script, thereby achieving secure authentication functionality. This article will explain in detail how to set and get these two variables in PHP code, allowing you to easily deal with authentication needs.

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Using curl Post request settings in PHP PHP_AUTH_USER and PHP_AUTH_PW

We will pass to the PHP code Send a curl request to set the username and password.

<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>

Output:

<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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In PHP use curl on the command line to request settings PHP_AUTH_USER and PHP_AUTH_PW

We will send a curl request via the command line to set the username and password.

<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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How to confirm the values ​​PHP_AUTH_USER and PHP_AUTH_PW in PHP have been set successfully

We will check if the username and password have been set , if set, displays a success message with the username and password.

<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>"</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>"</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>

Output:

<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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