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【PHP】获取客户端的语言
作者: / 发布于2011/1/4/ 532
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            <pre style="line-height: 150%; font-family: Verdana, Monospace; font-size: 12px; font-weight: bold; margin-right: 10px"><span style="color: #0000ff">function</span> get_client_language<span style="color: #009900">(</span><span style="color: #000088">$availableLanguages</span><span style="color: #339933">,</span> <span style="color: #000088">$default</span><span style="color: #339933">=</span><span style="color: #0000ff">'en'</span><span style="color: #009900">)</span>
<span style="color: #009900">{</span>
  <span style="color: #0099cc">if</span> <span style="color: #009900">(</span><span style="color: blue">isset</span><span style="color: #009900">(</span><span style="color: #000088">$_SERVER</span><span style="color: #009900">[</span><span style="color: #0000ff">'HTTP_ACCEPT_language'</span><span style="color: #009900">]</span><span style="color: #009900">)</span><span style="color: #009900">)</span>
  <span style="color: #009900">{</span>
    <span style="color: #000088">$langs</span><span style="color: #339933">=</span><span style="color: blue">explode</span><span style="color: #009900">(</span><span style="color: #0000ff">','</span><span style="color: #339933">,</span><span style="color: #000088">$_SERVER</span><span style="color: #009900">[</span><span style="color: #0000ff">'HTTP_ACCEPT_language'</span><span style="color: #009900">]</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
    <span style="font-style: italic; color: #666666">//start going through each one</span>
    <span style="color: #0099cc">foreach</span> <span style="color: #009900">(</span><span style="color: #000088">$langs</span> <span style="color: #0099cc">as</span> <span style="color: #000088">$value</span><span style="color: #009900">)</span>
    <span style="color: #009900">{</span>
      <span style="color: #000088">$choice</span><span style="color: #339933">=</span><span style="color: blue">substr</span><span style="color: #009900">(</span><span style="color: #000088">$value</span><span style="color: #339933">,</span><span style="color: #cc66cc">0</span><span style="color: #339933">,</span><span style="color: #cc66cc">2</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
      <span style="color: #0099cc">if</span><span style="color: #009900">(</span><span style="color: blue">in_array</span><span style="color: #009900">(</span><span style="color: #000088">$choice</span><span style="color: #339933">,</span> <span style="color: #000088">$availableLanguages</span><span style="color: #009900">)</span><span style="color: #009900">)</span>
      <span style="color: #009900">{</span>
        <span style="color: #0099cc">return</span> <span style="color: #000088">$choice</span><span style="color: #339933">;</span>
      <span style="color: #009900">}</span>
    <span style="color: #009900">}</span>
  <span style="color: #009900">}</span>
  <span style="color: #0099cc">return</span> <span style="color: #000088">$default</span><span style="color: #339933">;</span>
<span style="color: #009900">}</span></pre>
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