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105 lines
6.2 KiB
HTML
105 lines
6.2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>解码给定的 URL 编码的字符串</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.curl-unescape" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">curl_unescape</h1>
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<p class="verinfo">(PHP 5 >= 5.5.0, PHP 7)</p><p class="refpurpose"><span class="refname">curl_unescape</span> — <span class="dc-title">解码给定的 URL 编码的字符串</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.curl-unescape-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>curl_unescape</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$ch</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$str</code></span>
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) : <span class="type">string</span></div>
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<p class="para rdfs-comment">
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该函数解码给定的 URL 编码的字符串。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.curl-unescape-parameters">
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<h3 class="title">参数</h3>
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<dl>
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<dt>
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<code class="parameter">ch</code>
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</dt>
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<dd>
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<p class="para">由 <span class="function"><a href="curl_init.html" class="function">curl_init()</a></span> 返回的 cURL 句柄。</p></dd>
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<dt>
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<code class="parameter">str</code></dt>
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<dd>
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<p class="para">
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需要解码的 URL 编码字符串
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</p>
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</dd>
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</dl>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.curl-unescape-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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返回解码后的字符串 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.curl-unescape-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-5258">
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<p><strong>Example #1 <span class="function"><a href="curl_escape.html" class="function">curl_escape()</a></span> 示例</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// 创建一个 curl 句柄<br /></span><span style="color: #0000BB">$ch </span><span style="color: #007700">= </span><span style="color: #0000BB">curl_init</span><span style="color: #007700">(</span><span style="color: #DD0000">'http://example.com/redirect.php'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// 发送 HTTP 请求并且遵循重定向<br /></span><span style="color: #0000BB">curl_setopt</span><span style="color: #007700">(</span><span style="color: #0000BB">$ch</span><span style="color: #007700">, </span><span style="color: #0000BB">CURLOPT_FOLLOWLOCATION</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">curl_exec</span><span style="color: #007700">(</span><span style="color: #0000BB">$ch</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// 获取最后的有效 URL<br /></span><span style="color: #0000BB">$effective_url </span><span style="color: #007700">= </span><span style="color: #0000BB">curl_getinfo</span><span style="color: #007700">(</span><span style="color: #0000BB">$ch</span><span style="color: #007700">, </span><span style="color: #0000BB">CURLINFO_EFFECTIVE_URL</span><span style="color: #007700">);<br /></span><span style="color: #FF8000">// 结果： "http://example.com/show_location.php?loc=M%C3%BCnchen"<br /><br />// 解码这个 URL<br /></span><span style="color: #0000BB">$effective_url_decoded </span><span style="color: #007700">= </span><span style="color: #0000BB">curl_unescape</span><span style="color: #007700">(</span><span style="color: #0000BB">$ch</span><span style="color: #007700">, </span><span style="color: #0000BB">$effective_url</span><span style="color: #007700">);<br /></span><span style="color: #FF8000">// "http://example.com/show_location.php?loc=München"<br /><br />// 关闭句柄<br /></span><span style="color: #0000BB">curl_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$ch</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 notes" id="refsect1-function.curl-unescape-notes">
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<h3 class="title">注释</h3>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<p class="para">
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<span class="function"><strong>curl_unescape()</strong></span> 不会将加号 (+) 解码成空格。而 <span class="function"><a href="urldecode.html" class="function">urldecode()</a></span> 会。
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</p>
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</p></blockquote>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.curl-unescape-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="curl_escape.html" class="function" rel="rdfs-seeAlso">curl_escape()</a> - 使用 URL 编码给定的字符串</span></li>
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<li class="member"><span class="function"><a href="urlencode.html" class="function" rel="rdfs-seeAlso">urlencode()</a> - 编码 URL 字符串</span></li>
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<li class="member"><span class="function"><a href="urldecode.html" class="function" rel="rdfs-seeAlso">urldecode()</a> - 解码已编码的 URL 字符串</span></li>
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<li class="member"><span class="function"><a href="rawurlencode.html" class="function" rel="rdfs-seeAlso">rawurlencode()</a> - 按照 RFC 3986 对 URL 进行编码</span></li>
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<li class="member"><span class="function"><a href="rawurldecode.html" class="function" rel="rdfs-seeAlso">rawurldecode()</a> - 对已编码的 URL 字符串进行解码</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |