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147 lines
6.0 KiB
HTML
147 lines
6.0 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>取得当前安装的 GD 库的信息</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.gd-info" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">gd_info</h1>
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<p class="verinfo">(PHP 4 >= 4.3.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">gd_info</span> — <span class="dc-title">取得当前安装的 GD 库的信息</span></p>
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</div>
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<div class="refsect1 unknown-descriptioo" id="refsect1-function.gd-info-unknown-descriptioo">
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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>gd_info</strong></span>
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( <span class="methodparam">void</span>
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) : <span class="type">array</span></div>
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<p class="simpara">
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返回一个关联数组描述了安装的 GD 库的版本和性能。
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</p>
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<p class="para">
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<table class="doctable table">
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<caption><strong><span class="function"><strong>gd_info()</strong></span> 返回的数组的单元</strong></caption>
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<thead>
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<tr>
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<th>属性</th>
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<th>含义</th>
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</tr>
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</thead>
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<tbody class="tbody">
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<tr>
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<td>GD Version</td>
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<td><span class="type"><a href="language.types.string.html" class="type string">string</a></span> 值描述了安装的 <em>libgd</em> 的版本。</td>
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</tr>
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<tr>
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<td>Freetype Support</td>
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<td><span class="type"><a href="language.types.boolean.html" class="type boolean">boolean</a></span> 值。如果安装了 Freetype 支持则为 <strong><code>TRUE</code></strong>。</td>
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</tr>
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<tr>
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<td>Freetype Linkage</td>
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<td>
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<span class="type"><a href="language.types.string.html" class="type string">string</a></span> 值描述了 Freetype 连接的方法。取值可能为：'with freetype',
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'with TTF library' 和 'with unknown library'。本单元仅在
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<em>Freetype Support</em> 的值为 <strong><code>TRUE</code></strong> 时有定义。
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</td>
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</tr>
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<tr>
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<td>T1Lib Support</td>
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<td><span class="type"><a href="language.types.boolean.html" class="type boolean">boolean</a></span> 值。如果包含有 <em>T1Lib</em> 支持则为 <strong><code>TRUE</code></strong>。</td>
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</tr>
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<tr>
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<td>GIF Read Support</td>
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<td>
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<span class="type"><a href="language.types.boolean.html" class="type boolean">boolean</a></span> 值。如果包含有<em class="emphasis">读取</em>
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<em>GIF</em> 图像的支持则为 <strong><code>TRUE</code></strong>。
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</td>
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</tr>
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<tr>
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<td>GIF Create Support</td>
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<td>
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<span class="type"><a href="language.types.boolean.html" class="type boolean">boolean</a></span> 值。如果包含有<em class="emphasis">创建</em>
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<em>GIF</em> 图像的支持则为 <strong><code>TRUE</code></strong>。
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</td>
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</tr>
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<tr>
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<td>JPG Support</td>
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<td><span class="type"><a href="language.types.boolean.html" class="type boolean">boolean</a></span> 值。如果包含有 <em>JPG</em> 支持则为 <strong><code>TRUE</code></strong>。</td>
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</tr>
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<tr>
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<td>PNG Support</td>
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<td><span class="type"><a href="language.types.boolean.html" class="type boolean">boolean</a></span> 值。如果包含有 <em>PNG</em> 支持则为 <strong><code>TRUE</code></strong>。</td>
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</tr>
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<tr>
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<td>WBMP Support</td>
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<td><span class="type"><a href="language.types.boolean.html" class="type boolean">boolean</a></span> 值。如果包含有 <em>WBMP</em> 支持则为 <strong><code>TRUE</code></strong>。</td>
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</tr>
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<tr>
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<td>XBM Support</td>
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<td><span class="type"><a href="language.types.boolean.html" class="type boolean">boolean</a></span> 值。如果包含有 <em>XBM</em> 支持则为 <strong><code>TRUE</code></strong>。</td>
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</tr>
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</tbody>
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</table>
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</p>
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<p class="para">
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<div class="example" id="example-3640">
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<p><strong>Example #1 使用 <span class="function"><strong>gd_info()</strong></span></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 />var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">gd_info</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 class="example-contents"><p>
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典型输出为：
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</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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array(9) {
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["GD Version"]=>
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string(24) "bundled (2.0 compatible)"
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["FreeType Support"]=>
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bool(false)
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["T1Lib Support"]=>
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bool(false)
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["GIF Read Support"]=>
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bool(true)
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["GIF Create Support"]=>
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bool(false)
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["JPG Support"]=>
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bool(false)
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["PNG Support"]=>
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bool(true)
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["WBMP Support"]=>
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bool(true)
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["XBM Support"]=>
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bool(false)
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}
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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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<p class="simpara">
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参见 <span class="function"><a href="imagepng.html" class="function">imagepng()</a></span>，<span class="function"><a href="imagejpeg.html" class="function">imagejpeg()</a></span>，<span class="function"><a href="imagegif.html" class="function">imagegif()</a></span>，<span class="function"><a href="imagewbmp.html" class="function">imagewbmp()</a></span>
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和 <span class="function"><a href="imagetypes.html" class="function">imagetypes()</a></span>。
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</p>
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</div>
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</div></div></div></body></html> |