随机密码代码,PHP代码库,德仔网

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【PHP】随机密码
作者:Dezai.CN / 发布于2011/6/11/ 700
<div><span style="color: rgb(0,0,0); font-weight: bold"><?php</span> 
<span style="font-style: italic; color: rgb(128,128,128)">/**
* Generates slightly more human-understandable random passwords
*
* @param int $len
* @return string
*/</span>
<span style="color: rgb(0,0,0); font-weight: bold">function</span> makePassword<span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$len</span> = <span style="color: rgb(204,102,204)">8</span><span style="color: rgb(102,204,102)">)</span>
<span style="color: rgb(102,204,102)">{</span>
<span style="color: rgb(0,0,255)">$vowels</span> = <a href="http://www.php.net/array" target="_blank"><span style="color: rgb(0,0,102)">array</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(255,0,0)">'a'</span>, <span style="color: rgb(255,0,0)">'e'</span>, <span style="color: rgb(255,0,0)">'i'</span>, <span style="color: rgb(255,0,0)">'o'</span>, <span style="color: rgb(255,0,0)">'u'</span>, <span style="color: rgb(255,0,0)">'y'</span><span style="color: rgb(102,204,102)">)</span>;
<span style="color: rgb(0,0,255)">$confusing</span> = <a href="http://www.php.net/array" target="_blank"><span style="color: rgb(0,0,102)">array</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(255,0,0)">'I'</span>, <span style="color: rgb(255,0,0)">'l'</span>, <span style="color: rgb(255,0,0)">'1'</span>, <span style="color: rgb(255,0,0)">'O'</span>, <span style="color: rgb(255,0,0)">'0'</span><span style="color: rgb(102,204,102)">)</span>;
<span style="color: rgb(0,0,255)">$replacements</span> = <a href="http://www.php.net/array" target="_blank"><span style="color: rgb(0,0,102)">array</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(255,0,0)">'A'</span>, <span style="color: rgb(255,0,0)">'k'</span>, <span style="color: rgb(255,0,0)">'3'</span>, <span style="color: rgb(255,0,0)">'U'</span>, <span style="color: rgb(255,0,0)">'9'</span><span style="color: rgb(102,204,102)">)</span>;
<span style="color: rgb(0,0,255)">$choices</span> = <a href="http://www.php.net/array" target="_blank"><span style="color: rgb(0,0,102)">array</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(204,102,204)">0</span> => <a href="http://www.php.net/rand" target="_blank"><span style="color: rgb(0,0,102)">rand</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(204,102,204)">0</span>, <span style="color: rgb(204,102,204)">1</span><span style="color: rgb(102,204,102)">)</span>, <span style="color: rgb(204,102,204)">1</span> => <a href="http://www.php.net/rand" target="_blank"><span style="color: rgb(0,0,102)">rand</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(204,102,204)">0</span>, <span style="color: rgb(204,102,204)">1</span><span style="color: rgb(102,204,102)">)</span>, <span style="color: rgb(204,102,204)">2</span> => <a href="http://www.php.net/rand" target="_blank"><span style="color: rgb(0,0,102)">rand</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(204,102,204)">0</span>, <span style="color: rgb(204,102,204)">2</span><span style="color: rgb(102,204,102)">)</span><span style="color: rgb(102,204,102)">)</span>;
<span style="color: rgb(0,0,255)">$parts</span> = <a href="http://www.php.net/array" target="_blank"><span style="color: rgb(0,0,102)">array</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(204,102,204)">0</span> => <span style="color: rgb(255,0,0)">''</span>, <span style="color: rgb(204,102,204)">1</span> => <span style="color: rgb(255,0,0)">''</span>, <span style="color: rgb(204,102,204)">2</span> => <span style="color: rgb(255,0,0)">''</span><span style="color: rgb(102,204,102)">)</span>;

<span style="color: rgb(177,177,0)">if</span> <span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$choices</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">0</span><span style="color: rgb(102,204,102)">]</span><span style="color: rgb(102,204,102)">)</span> <span style="color: rgb(0,0,255)">$parts</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">0</span><span style="color: rgb(102,204,102)">]</span> = <a href="http://www.php.net/rand" target="_blank"><span style="color: rgb(0,0,102)">rand</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(204,102,204)">1</span>, <a href="http://www.php.net/rand" target="_blank"><span style="color: rgb(0,0,102)">rand</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(204,102,204)">9</span>,<span style="color: rgb(204,102,204)">99</span><span style="color: rgb(102,204,102)">)</span><span style="color: rgb(102,204,102)">)</span>;
<span style="color: rgb(177,177,0)">if</span> <span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$choices</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">1</span><span style="color: rgb(102,204,102)">]</span><span style="color: rgb(102,204,102)">)</span> <span style="color: rgb(0,0,255)">$parts</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">2</span><span style="color: rgb(102,204,102)">]</span> = <a href="http://www.php.net/rand" target="_blank"><span style="color: rgb(0,0,102)">rand</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(204,102,204)">1</span>, <a href="http://www.php.net/rand" target="_blank"><span style="color: rgb(0,0,102)">rand</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(204,102,204)">9</span>,<span style="color: rgb(204,102,204)">99</span><span style="color: rgb(102,204,102)">)</span><span style="color: rgb(102,204,102)">)</span>;

<span style="color: rgb(0,0,255)">$len</span> -= <span style="color: rgb(102,204,102)">(</span><a href="http://www.php.net/strlen" target="_blank"><span style="color: rgb(0,0,102)">strlen</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$parts</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">0</span><span style="color: rgb(102,204,102)">]</span><span style="color: rgb(102,204,102)">)</span> + <a href="http://www.php.net/strlen" target="_blank"><span style="color: rgb(0,0,102)">strlen</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$parts</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">2</span><span style="color: rgb(102,204,102)">]</span><span style="color: rgb(102,204,102)">)</span><span style="color: rgb(102,204,102)">)</span>;
<span style="color: rgb(177,177,0)">for</span> <span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$i</span> = <span style="color: rgb(204,102,204)">0</span>; <span style="color: rgb(0,0,255)">$i</span> < <span style="color: rgb(0,0,255)">$len</span>; <span style="color: rgb(0,0,255)">$i</span>++<span style="color: rgb(102,204,102)">)</span>
<span style="color: rgb(102,204,102)">{</span>
<span style="color: rgb(177,177,0)">if</span> <span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$i</span> % <span style="color: rgb(204,102,204)">2</span> == <span style="color: rgb(204,102,204)">0</span><span style="color: rgb(102,204,102)">)</span> <span style="color: rgb(0,0,255)">$parts</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">1</span><span style="color: rgb(102,204,102)">]</span> .= <a href="http://www.php.net/chr" target="_blank"><span style="color: rgb(0,0,102)">chr</span></a><span style="color: rgb(102,204,102)">(</span><a href="http://www.php.net/rand" target="_blank"><span style="color: rgb(0,0,102)">rand</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(204,102,204)">97</span>, <span style="color: rgb(204,102,204)">122</span><span style="color: rgb(102,204,102)">)</span><span style="color: rgb(102,204,102)">)</span>;
<span style="color: rgb(177,177,0)">else</span> <span style="color: rgb(0,0,255)">$parts</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">1</span><span style="color: rgb(102,204,102)">]</span> .= <span style="color: rgb(0,0,255)">$vowels</span><span style="color: rgb(102,204,102)">[</span><a href="http://www.php.net/array_rand" target="_blank"><span style="color: rgb(0,0,102)">array_rand</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$vowels</span><span style="color: rgb(102,204,102)">)</span><span style="color: rgb(102,204,102)">]</span>;
<span style="color: rgb(102,204,102)">}</span>
<span style="color: rgb(177,177,0)">if</span> <span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$choices</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">2</span><span style="color: rgb(102,204,102)">]</span><span style="color: rgb(102,204,102)">)</span> <span style="color: rgb(0,0,255)">$parts</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">1</span><span style="color: rgb(102,204,102)">]</span> = <a href="http://www.php.net/ucfirst" target="_blank"><span style="color: rgb(0,0,102)">ucfirst</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$parts</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">1</span><span style="color: rgb(102,204,102)">]</span><span style="color: rgb(102,204,102)">)</span>;
<span style="color: rgb(177,177,0)">if</span> <span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$choices</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">2</span><span style="color: rgb(102,204,102)">]</span> == <span style="color: rgb(204,102,204)">2</span><span style="color: rgb(102,204,102)">)</span> <span style="color: rgb(0,0,255)">$parts</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">1</span><span style="color: rgb(102,204,102)">]</span> = <a href="http://www.php.net/strrev" target="_blank"><span style="color: rgb(0,0,102)">strrev</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$parts</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">1</span><span style="color: rgb(102,204,102)">]</span><span style="color: rgb(102,204,102)">)</span>;

<span style="color: rgb(0,0,255)">$r</span> = <span style="color: rgb(0,0,255)">$parts</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">0</span><span style="color: rgb(102,204,102)">]</span> . <span style="color: rgb(0,0,255)">$parts</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">1</span><span style="color: rgb(102,204,102)">]</span> . <span style="color: rgb(0,0,255)">$parts</span><span style="color: rgb(102,204,102)">[</span><span style="color: rgb(204,102,204)">2</span><span style="color: rgb(102,204,102)">]</span>;
<span style="color: rgb(0,0,255)">$r</span> = <a href="http://www.php.net/str_replace" target="_blank"><span style="color: rgb(0,0,102)">str_replace</span></a><span style="color: rgb(102,204,102)">(</span><span style="color: rgb(0,0,255)">$confusing</span>, <span style="color: rgb(0,0,255)">$replacements</span>, <span style="color: rgb(0,0,255)">$r</span><span style="color: rgb(102,204,102)">)</span>;
<span style="color: rgb(177,177,0)">return</span> <span style="color: rgb(0,0,255)">$r</span>;
<span style="color: rgb(102,204,102)">}</span>

<span style="font-style: italic; color: rgb(128,128,128)">/**
* EXAMPLE:
*/</span>

<a href="http://www.php.net/echo" target="_blank"><span style="color: rgb(0,0,102)">echo</span></a> makePassword<span style="color: rgb(102,204,102)">(</span><span style="color: rgb(204,102,204)">12</span><span style="color: rgb(102,204,102)">)</span>;
<span style="color: rgb(0,0,0); font-weight: bold">?></span>
</div>
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