PHP hack的使用技巧详解

PHP hack示例：

1.  ?php  
2. $tabs = array();  
3. function tabs_header()  
4. {  
5. ?> 
6. style type="text/css"> 
7. .tab {  
8. border-bottom: 1px solid black;  
9. text-align: center;  
10. font-family: arial, verdana;  
11. }  
12. .tab-active {   
13. border-left: 1px solid black;   
14. border-top: 1px solid black;   
15. border-right: 1px solid black;   
16. text-align: center;   
17. font-family: arial, verdana;   
18. font-weight: bold;  
19. }  
20. .tab-content {   
21. padding: 5px;   
22. border-left: 1px solid black;   
23. border-right: 1px solid black;   
24. border-bottom: 1px solid black;  
25. }   
26.  /style>  

<ol class="dp-xml">
<li class="alt"><span><span class="tag"></span><span class="tag-name">php</span><span> </span></span></li>
<li><span>}  </span></li>
<li class="alt"><span>function tabs_start()  </span></li>
<li><span>{   </span></li>
<li class="alt"><span>ob_start();   </span></li>
<li><span>}  </span></li>
<li class="alt"><span>function endtab()   </span></li>
<li><span>{   </span></li>
<li class="alt"><span>global $tabs;  </span></li>
<li>
<span>$</span><span class="attribute">text</span><span> = </span><span class="attribute-value">ob_get_clean</span><span>();  </span>
</li>
<li class="alt"><span>$tabs[ count( $tabs ) - 1 ][ 'text' ] = $text;  </span></li>
<li><span>ob_start();  </span></li>
<li class="alt"><span>}  </span></li>
<li><span>function tab( $title )   </span></li>
<li class="alt"><span>{  </span></li>
<li><span>global $tabs;  </span></li>
<li class="alt">
<span>if ( count( $tabs ) </span><span class="tag">></span><span> 0 )  </span>
</li>
<li><span>endtab();  </span></li>
<li class="alt"><span>$tabs []= array(  </span></li>
<li>
<span class="attribute">title</span><span> =</span><span class="tag">></span><span> $title,  </span>
</li>
<li class="alt">
<span class="attribute">text</span><span> =</span><span class="tag">></span><span> ""  </span>
</li>
<li><span>);  </span></li>
<li class="alt"><span>}  </span></li>
<li><span> </span></li>
<li class="alt"><span>function tabs_end( )  </span></li>
<li><span>{  </span></li>
<li class="alt"><span>global $tabs;  </span></li>
<li><span>endtab( );  </span></li>
<li class="alt"><span>ob_end_clean( );  </span></li>
<li>
<span>$</span><span class="attribute">index</span><span> = </span><span class="attribute-value">0</span><span>;  </span>
</li>
<li class="alt"><span>if ( $_GET['tabindex'] )  </span></li>
<li>
<span>$</span><span class="attribute">index</span><span> = $_GET['tabindex'];  </span>
</li>
<li class="alt">
<span class="tag">?></span><span> </span>
</li>
<li><span class="tag"><span> </span><span class="tag-name">table</span><span> </span><span class="attribute">width</span><span>=</span><span class="attribute-value">"100%"</span><span> </span><span class="attribute">cellspacing</span><span>=</span><span class="attribute-value">"0"</span><span> </span><span class="attribute">cellpadding</span><span>=</span><span class="attribute-value">"0"</span><span class="tag">></span><span> </span></span></li>
<li class="alt"><span class="tag"><span> </span><span class="tag-name">tr</span><span class="tag">></span><span> </span></span></li>
<li><span class="tag"><span> ?php  </span></span></li>
<li class="alt">
<span>$</span><span class="attribute">baseuri</span><span> = $_SERVER['REQUEST_URI'];  </span>
</li>
<li>
<span>$</span><span class="attribute">baseuri</span><span> = </span><span class="attribute-value">preg_replace</span><span>( "/?.*$/", "", $baseuri );  </span>
</li>
<li class="alt">
<span>$</span><span class="attribute">curindex</span><span> = </span><span class="attribute-value">0</span><span>;  </span>
</li>
<li><span>foreach( $tabs as $tab )  </span></li>
<li class="alt"><span>{  </span></li>
<li>
<span>$</span><span class="attribute">class</span><span> = </span><span class="attribute-value">"tab"</span><span>;  </span>
</li>
<li class="alt">
<span>if ( $</span><span class="attribute">index</span><span> == $curindex )  </span>
</li>
<li>
<span>$</span><span class="attribute">class</span><span> =</span><span class="attribute-value">"tab-active"</span><span>;  </span>
</li>
<li class="alt">
<span class="tag">?></span><span> </span>
</li>
<li><span class="tag"><span> </span><span class="tag-name">td</span><span> </span><span class="attribute">class</span><span>=</span><span class="attribute-value">""</span><span class="tag">></span><span> </span></span></li>
<li class="alt"><span class="tag"><span> </span><span class="tag-name">a</span><span> </span><span class="attribute">href</span><span>=</span><span class="attribute-value">"<span>?</span><span class="attribute">tabindex</span><span>=</span><span class="attribute-value">".$curindex ); ?>"</span><span class="tag">></span><span> </span></span></span></li>
<li><span class="tag"><span> ?php echo( $tab['title'] ); </span><span class="tag">?></span><span> </span></span></li>
<li class="alt"><span class="tag"><span> /a</span><span class="tag">></span><span> </span></span></li>
<li><span class="tag"><span> /td</span><span class="tag">></span><span> </span></span></li>
<li class="alt"><span class="tag"><span> ?php  </span></span></li>
<li><span>$curindex += 1;  </span></li>
<li class="alt"><span>}  </span></li>
<li>
<span class="tag">?></span><span> </span>
</li>
<li class="alt"><span class="tag"><span> /tr</span><span class="tag">></span><span> </span></span></li>
<li><span class="tag"><span> </span><span class="tag-name">tr</span><span class="tag">></span><span class="tag"><span> </span><span class="tag-name">td</span><span> </span><span class="attribute">class</span><span>=</span><span class="attribute-value">"tab-content"</span><span> </span><span class="attribute">colspan</span><span>=</span><span class="attribute-value">""</span><span class="tag">></span><span> </span></span></span></li>
<li class="alt"><span class="tag"><span> ?php echo( $tabs[$index ]['text'] ); </span><span class="tag">?></span><span> </span></span></li>
<li><span class="tag"><span> /td</span><span class="tag">></span><span class="tag"></span><span class="tag-name">tr</span><span class="tag">></span><span> </span></span></li>
<li class="alt"><span class="tag"><span> /table</span><span class="tag">></span><span> </span></span></li>
<li><span class="tag"><span> ?php  </span></span></li>
<li class="alt"><span>}  </span></li>
<li>
<span class="tag">?></span><span> </span>
</li>
</ol>

以上这一大段的代码就是有关PHP hack的具体实现方法。