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【PHP】制作防采集的Email地址

作者: / 发布于2011/1/4/ 808

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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> safeEmail<span style="color: #009900">(</span><span style="color: #000088">$email</span><span style="color: #009900">)</span>
<span style="color: #009900">{</span>
  <span style="color: #000088">$obfuscatedEmail</span> <span style="color: #339933">=</span> <span style="color: #0000ff">''</span><span style="color: #339933">;</span>
  <span style="color: #000088">$email</span>      <span style="color: #339933">=</span> <span style="color: blue">eregi_replace</span><span style="color: #009900">(</span><span style="color: #0000ff">'#'</span><span style="color: #339933">,</span><span style="color: #0000ff">''</span><span style="color: #339933">,</span> <span style="color: #000088">$email</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
  <span style="color: #000088">$length</span>     <span style="color: #339933">=</span> <span style="color: blue">strlen</span><span style="color: #009900">(</span><span style="color: #000088">$email</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
  
  <span style="color: #0099cc">for</span> <span style="color: #009900">(</span><span style="color: #000088">$i</span> <span style="color: #339933">=</span> <span style="color: #cc66cc">0</span><span style="color: #339933">;</span> <span style="color: #000088">$i</span> <span style="color: #339933"><</span> <span style="color: #000088">$length</span><span style="color: #339933">;</span> <span style="color: #000088">$i</span><span style="color: #339933">++</span><span style="color: #009900">)</span>
  <span style="color: #009900">{</span>
    <span style="color: #000088">$obfuscatedEmail</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">"&#"</span> <span style="color: #339933">.</span> <span style="color: blue">ord</span><span style="color: #009900">(</span><span style="color: #000088">$email</span><span style="color: #009900">[</span><span style="color: #000088">$i</span><span style="color: #009900">]</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
  <span style="color: #009900">}</span>
  <span style="color: #000088">$return</span> <span style="color: #339933">=</span> <span style="color: #0000ff">'<a href="mailto:'</span> <span style="color: #339933">.</span> <span style="color: #000088">$obfuscatedEmail</span> <span style="color: #339933">.</span> <span style="color: #0000ff">'">'</span><span style="color: #339933">.</span><span style="color: #000088">$obfuscatedEmail</span><span style="color: #339933">.</span><span style="color: #0000ff">'</a>'</span><span style="color: #339933">;</span>
  <span style="color: #0099cc">return</span> <span style="color: #000088">$return</span><span style="color: #339933">;</span>
<span style="color: #009900">}</span></pre>
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