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100 lines
5.8 KiB
HTML
100 lines
5.8 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>Calculate the soundex key of a string</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.soundex" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">soundex</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">soundex</span> — <span class="dc-title">Calculate the soundex key of a string</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.soundex-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>soundex</strong></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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Calculates the soundex key of <code class="parameter">str</code>.
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</p>
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<p class="para">
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Soundex keys have the property that words pronounced similarly
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produce the same soundex key, and can thus be used to simplify
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searches in databases where you know the pronunciation but not
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the spelling. This soundex function returns a string 4 characters
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long, starting with a letter.
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</p>
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<p class="para">
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This particular soundex function is one described by Donald Knuth
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in "The Art Of Computer Programming, vol. 3: Sorting And
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Searching", Addison-Wesley (1973), pp. 391-392.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.soundex-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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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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The input string.
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.soundex-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns the soundex key as a string.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.soundex-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-5939">
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<p><strong>Example #1 Soundex Examples</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 />soundex</span><span style="color: #007700">(</span><span style="color: #DD0000">"Euler"</span><span style="color: #007700">) == </span><span style="color: #0000BB">soundex</span><span style="color: #007700">(</span><span style="color: #DD0000">"Ellery"</span><span style="color: #007700">); </span><span style="color: #FF8000">// E460<br /></span><span style="color: #0000BB">soundex</span><span style="color: #007700">(</span><span style="color: #DD0000">"Gauss"</span><span style="color: #007700">) == </span><span style="color: #0000BB">soundex</span><span style="color: #007700">(</span><span style="color: #DD0000">"Ghosh"</span><span style="color: #007700">); </span><span style="color: #FF8000">// G200<br /></span><span style="color: #0000BB">soundex</span><span style="color: #007700">(</span><span style="color: #DD0000">"Hilbert"</span><span style="color: #007700">) == </span><span style="color: #0000BB">soundex</span><span style="color: #007700">(</span><span style="color: #DD0000">"Heilbronn"</span><span style="color: #007700">); </span><span style="color: #FF8000">// H416<br /></span><span style="color: #0000BB">soundex</span><span style="color: #007700">(</span><span style="color: #DD0000">"Knuth"</span><span style="color: #007700">) == </span><span style="color: #0000BB">soundex</span><span style="color: #007700">(</span><span style="color: #DD0000">"Kant"</span><span style="color: #007700">); </span><span style="color: #FF8000">// K530<br /></span><span style="color: #0000BB">soundex</span><span style="color: #007700">(</span><span style="color: #DD0000">"Lloyd"</span><span style="color: #007700">) == </span><span style="color: #0000BB">soundex</span><span style="color: #007700">(</span><span style="color: #DD0000">"Ladd"</span><span style="color: #007700">); </span><span style="color: #FF8000">// L300<br /></span><span style="color: #0000BB">soundex</span><span style="color: #007700">(</span><span style="color: #DD0000">"Lukasiewicz"</span><span style="color: #007700">) == </span><span style="color: #0000BB">soundex</span><span style="color: #007700">(</span><span style="color: #DD0000">"Lissajous"</span><span style="color: #007700">); </span><span style="color: #FF8000">// L222<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 seealso" id="refsect1-function.soundex-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="levenshtein.html" class="function" rel="rdfs-seeAlso">levenshtein()</a> - 计算两个字符串之间的编辑距离</span></li>
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<li class="member"><span class="function"><a href="metaphone.html" class="function" rel="rdfs-seeAlso">metaphone()</a> - Calculate the metaphone key of a string</span></li>
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<li class="member"><span class="function"><a href="similar_text.html" class="function" rel="rdfs-seeAlso">similar_text()</a> - 计算两个字符串的相似度</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> |