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【PHP】 php备份mysql数据库的类
作者: / 发布于2011/1/4/ 572
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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"><?php</span>

<span style="color: blue">define</span><span style="color: #009900">(</span><span style="color: #0000ff">'MSB_VERSION'</span><span style="color: #339933">,</span> <span style="color: #0000ff">'1.0.0'</span><span style="color: #009900">)</span><span style="color: #339933">;</span>

<span style="color: blue">define</span><span style="color: #009900">(</span><span style="color: #0000ff">'MSB_NL'</span><span style="color: #339933">,</span> <span style="color: #0000ff">"<span style="color: #000099; font-weight: bold">\r</span><span style="color: #000099; font-weight: bold">\n</span>"</span><span style="color: #009900">)</span><span style="color: #339933">;</span>

<span style="color: blue">define</span><span style="color: #009900">(</span><span style="color: #0000ff">'MSB_STRING'</span><span style="color: #339933">,</span> <span style="color: #cc66cc">0</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
<span style="color: blue">define</span><span style="color: #009900">(</span><span style="color: #0000ff">'MSB_DOWNLOAD'</span><span style="color: #339933">,</span> <span style="color: #cc66cc">1</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
<span style="color: blue">define</span><span style="color: #009900">(</span><span style="color: #0000ff">'MSB_SAVE'</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: blue">define</span><span style="color: #009900">(</span><span style="color: #0000ff">'__SEP__'</span><span style="color: #339933">,</span> <span style="color: #0000ff">"/*sep*/"</span> <span style="color: #009900">)</span><span style="color: #339933">;</span>

<span style="color: blue">set_time_limit</span><span style="color: #009900">(</span> <span style="color: #cc66cc">600</span> <span style="color: #009900">)</span><span style="color: #339933">;</span>

<span style="color: #0000ff">class</span> MySQL_Backup <span style="color: #009900">{</span>
 <span style="color: #0000ff">var</span> <span style="color: #000088">$server</span> <span style="color: #339933">=</span> <span style="color: #0000ff">'localhost'</span><span style="color: #339933">;</span>
 <span style="color: #0000ff">var</span> <span style="color: #000088">$port</span> <span style="color: #339933">=</span> <span style="color: #cc66cc">3306</span><span style="color: #339933">;</span>
   <span style="color: #0000ff">var</span> <span style="color: #000088">$username</span> <span style="color: #339933">=</span> <span style="color: #0000ff">'root'</span><span style="color: #339933">;</span>
   <span style="color: #0000ff">var</span> <span style="color: #000088">$password</span> <span style="color: #339933">=</span> <span style="color: #0000ff">''</span><span style="color: #339933">;</span>
   <span style="color: #0000ff">var</span> <span style="color: #000088">$database</span> <span style="color: #339933">=</span> <span style="color: #0000ff">''</span><span style="color: #339933">;</span>
   <span style="color: #0000ff">var</span> <span style="color: #000088">$link_id</span> <span style="color: #339933">=</span> <span style="color: #339933">-</span><span style="color: #cc66cc">1</span><span style="color: #339933">;</span>
   <span style="color: #0000ff">var</span> <span style="color: #000088">$connected</span> <span style="color: #339933">=</span> <span style="color: #009900; font-weight: bold">false</span><span style="color: #339933">;</span>
   <span style="color: #0000ff">var</span> <span style="color: #000088">$tables</span> <span style="color: #339933">=</span> <span style="color: blue">array</span><span style="color: #009900">(</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #0000ff">var</span> <span style="color: #000088">$drop_tables</span> <span style="color: #339933">=</span> <span style="color: #009900; font-weight: bold">true</span><span style="color: #339933">;</span>
   <span style="color: #0000ff">var</span> <span style="color: #000088">$struct_only</span> <span style="color: #339933">=</span> <span style="color: #009900; font-weight: bold">false</span><span style="color: #339933">;</span>
   <span style="color: #0000ff">var</span> <span style="color: #000088">$comments</span> <span style="color: #339933">=</span> <span style="color: #009900; font-weight: bold">true</span><span style="color: #339933">;</span>
   <span style="color: #0000ff">var</span> <span style="color: #000088">$backup_dir</span> <span style="color: #339933">=</span> <span style="color: #0000ff">''</span><span style="color: #339933">;</span>
   <span style="color: #0000ff">var</span> <span style="color: #000088">$fname_format</span> <span style="color: #339933">=</span> <span style="color: #0000ff">'d_m_y__H_i_s'</span><span style="color: #339933">;</span>
   <span style="color: #0000ff">var</span> <span style="color: #000088">$error</span> <span style="color: #339933">=</span> <span style="color: #0000ff">''</span><span style="color: #339933">;</span>

   <span style="color: #0000ff">var</span> <span style="color: #000088">$complete_inserts</span> <span style="color: #339933">=</span> <span style="color: #009900; font-weight: bold">false</span><span style="color: #339933">;</span>
   <span style="color: #0000ff">var</span> <span style="color: #000088">$inserts_block</span>   <span style="color: #339933">=</span> <span style="color: #cc66cc">200</span><span style="color: #339933">;</span>

 <span style="color: #0000ff">function</span> Execute<span style="color: #009900">(</span><span style="color: #000088">$task</span> <span style="color: #339933">=</span> MSB_STRING<span style="color: #339933">,</span> <span style="color: #000088">$fname</span> <span style="color: #339933">=</span> <span style="color: #0000ff">''</span><span style="color: #339933">,</span> <span style="color: #000088">$compress</span> <span style="color: #339933">=</span> <span style="color: #009900; font-weight: bold">false</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span> <span style="color: #339933">!</span><span style="color: #009900">(</span> <span style="color: #000088">$sql</span> <span style="color: #339933">=</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span>_Retrieve<span style="color: #009900">(</span><span style="color: #009900">)</span> <span style="color: #009900">)</span> <span style="color: #009900">)</span> <span style="color: #009900">{</span>
     <span style="color: #0099cc">return</span> <span style="color: #009900; font-weight: bold">false</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span> <span style="color: #000088">$task</span> <span style="color: #339933">==</span> MSB_SAVE <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">empty</span><span style="color: #009900">(</span><span style="color: #000088">$fname</span><span style="color: #009900">)</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
       <span style="color: #000088">$fname</span> <span style="color: #339933">=</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">backup_dir</span><span style="color: #339933">;</span>
       <span style="color: #000088">$fname</span> <span style="color: #339933">.=</span> <span style="color: blue">date</span><span style="color: #009900">(</span><span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">fname_format</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
       <span style="color: #000088">$fname</span> <span style="color: #339933">.=</span> <span style="color: #009900">(</span><span style="color: #000088">$compress</span> ? <span style="color: #0000ff">'.sql.gz'</span> <span style="color: #339933">:</span> <span style="color: #0000ff">'.sql'</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
     <span style="color: #009900">}</span>
     <span style="color: #0099cc">return</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span>_SaveToFile<span style="color: #009900">(</span><span style="color: #000088">$fname</span><span style="color: #339933">,</span> <span style="color: #000088">$sql</span><span style="color: #339933">,</span> <span style="color: #000088">$compress</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span> <span style="color: #0099cc">elseif</span> <span style="color: #009900">(</span><span style="color: #000088">$task</span> <span style="color: #339933">==</span> MSB_DOWNLOAD<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">empty</span><span style="color: #009900">(</span> <span style="color: #000088">$fname</span> <span style="color: #009900">)</span> <span style="color: #009900">)</span> <span style="color: #009900">{</span>
       <span style="color: #000088">$fname</span> <span style="color: #339933">=</span> <span style="color: blue">date</span><span style="color: #009900">(</span><span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">fname_format</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
       <span style="color: #000088">$fname</span> <span style="color: #339933">.=</span> <span style="color: #009900">(</span><span style="color: #000088">$compress</span> ? <span style="color: #0000ff">'.sql.gz'</span> <span style="color: #339933">:</span> <span style="color: #0000ff">'.sql'</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
     <span style="color: #009900">}</span>
     <span style="color: #0099cc">return</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span>_DownloadFile<span style="color: #009900">(</span><span style="color: #000088">$fname</span><span style="color: #339933">,</span> <span style="color: #000088">$sql</span><span style="color: #339933">,</span> <span style="color: #000088">$compress</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span> <span style="color: #0099cc">else</span> <span style="color: #009900">{</span>
     <span style="color: #0099cc">return</span> <span style="color: #000088">$sql</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
 <span style="color: #009900">}</span>

 <span style="color: #0000ff">function</span> _Connect<span style="color: #009900">(</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
   <span style="color: #000088">$value</span> <span style="color: #339933">=</span> <span style="color: #009900; font-weight: bold">false</span><span style="color: #339933">;</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span><span style="color: #339933">!</span><span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">connected</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
     <span style="color: #000088">$host</span> <span style="color: #339933">=</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">server</span> <span style="color: #339933">.</span> <span style="color: #0000ff">':'</span> <span style="color: #339933">.</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">port</span><span style="color: #339933">;</span>
     <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">link_id</span> <span style="color: #339933">=</span> <span style="color: blue">mysql_connect</span><span style="color: #009900">(</span><span style="color: #000088">$host</span><span style="color: #339933">,</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">username</span><span style="color: #339933">,</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">password</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span><span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">link_id</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">empty</span><span style="color: #009900">(</span><span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">database</span><span style="color: #009900">)</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
       <span style="color: #000088">$value</span> <span style="color: #339933">=</span> <span style="color: #009900; font-weight: bold">true</span><span style="color: #339933">;</span>
     <span style="color: #009900">}</span> <span style="color: #0099cc">elseif</span> <span style="color: #009900">(</span><span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">link_id</span> <span style="color: #339933">!==</span> <span style="color: #339933">-</span><span style="color: #cc66cc">1</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
       <span style="color: #000088">$value</span> <span style="color: #339933">=</span> <span style="color: blue">mysql_select_db</span><span style="color: #009900">(</span><span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">database</span><span style="color: #339933">,</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">link_id</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
     <span style="color: #009900">}</span> <span style="color: #0099cc">else</span> <span style="color: #009900">{</span>
       <span style="color: #000088">$value</span> <span style="color: #339933">=</span> <span style="color: blue">mysql_select_db</span><span style="color: #009900">(</span><span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">database</span><span style="color: #009900">)</span><span style="color: #339933">;</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: #339933">!</span><span style="color: #000088">$value</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
     <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">error</span> <span style="color: #339933">=</span> <span style="color: blue">mysql_error</span><span style="color: #009900">(</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">return</span> <span style="color: #000088">$value</span><span style="color: #339933">;</span>
 <span style="color: #009900">}</span>

 <span style="color: #0000ff">function</span> _Query<span style="color: #009900">(</span><span style="color: #000088">$sql</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span><span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">link_id</span> <span style="color: #339933">!==</span> <span style="color: #339933">-</span><span style="color: #cc66cc">1</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
     <span style="color: #000088">$result</span> <span style="color: #339933">=</span> <span style="color: blue">mysql_query</span><span style="color: #009900">(</span><span style="color: #000088">$sql</span><span style="color: #339933">,</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">link_id</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span> <span style="color: #0099cc">else</span> <span style="color: #009900">{</span>
     <span style="color: #000088">$result</span> <span style="color: #339933">=</span> <span style="color: blue">mysql_query</span><span style="color: #009900">(</span><span style="color: #000088">$sql</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span><span style="color: #339933">!</span><span style="color: #000088">$result</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
     <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">error</span> <span style="color: #339933">=</span> <span style="color: blue">mysql_error</span><span style="color: #009900">(</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">return</span> <span style="color: #000088">$result</span><span style="color: #339933">;</span>
 <span style="color: #009900">}</span>

 <span style="color: #0000ff">function</span> _GetTables<span style="color: #009900">(</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
   <span style="color: #000088">$value</span> <span style="color: #339933">=</span> <span style="color: blue">array</span><span style="color: #009900">(</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span> <span style="color: #339933">!</span><span style="color: #009900">(</span> <span style="color: #000088">$result</span> <span style="color: #339933">=</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span>_Query<span style="color: #009900">(</span><span style="color: #0000ff">'SHOW TABLES'</span><span style="color: #009900">)</span> <span style="color: #009900">)</span> <span style="color: #009900">)</span> <span style="color: #009900">{</span>
     <span style="color: #0099cc">return</span> <span style="color: #009900; font-weight: bold">false</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">while</span> <span style="color: #009900">(</span> <span style="color: #000088">$row</span> <span style="color: #339933">=</span> <span style="color: blue">mysql_fetch_row</span><span style="color: #009900">(</span> <span style="color: #000088">$result</span> <span style="color: #009900">)</span> <span style="color: #009900">)</span> <span style="color: #009900">{</span>
     <span style="color: #0099cc">if</span> <span style="color: #009900">(</span> <span style="color: blue">empty</span><span style="color: #009900">(</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">tables</span><span style="color: #009900">)</span> <span style="color: #339933">||</span> <span style="color: blue">in_array</span><span style="color: #009900">(</span> <span style="color: #000088">$row</span><span style="color: #009900">[</span><span style="color: #cc66cc">0</span><span style="color: #009900">]</span><span style="color: #339933">,</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">tables</span> <span style="color: #009900">)</span> <span style="color: #009900">)</span> <span style="color: #009900">{</span>
       <span style="color: #000088">$value</span><span style="color: #009900">[</span><span style="color: #009900">]</span> <span style="color: #339933">=</span> <span style="color: #000088">$row</span><span style="color: #009900">[</span><span style="color: #cc66cc">0</span><span style="color: #009900">]</span><span style="color: #339933">;</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: #339933">!</span><span style="color: blue">sizeof</span><span style="color: #009900">(</span><span style="color: #000088">$value</span><span style="color: #009900">)</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
     <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">error</span> <span style="color: #339933">=</span> <span style="color: #0000ff">'No tables found in database.'</span><span style="color: #339933">;</span>
     <span style="color: #0099cc">return</span> <span style="color: #009900; font-weight: bold">false</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">return</span> <span style="color: #000088">$value</span><span style="color: #339933">;</span>
 <span style="color: #009900">}</span>

 <span style="color: #0000ff">function</span> _DumpTable<span style="color: #009900">(</span> <span style="color: #000088">$table</span> <span style="color: #009900">)</span> <span style="color: #009900">{</span>
   <span style="color: #000088">$value</span> <span style="color: #339933">=</span> <span style="color: #0000ff">''</span><span style="color: #339933">;</span>
   <span style="color: #000088">$this</span><span style="color: #339933">-></span>_Query<span style="color: #009900">(</span> <span style="color: #0000ff">'LOCK TABLES '</span> <span style="color: #339933">.</span> <span style="color: #000088">$table</span> <span style="color: #339933">.</span> <span style="color: #0000ff">' WRITE'</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: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">comments</span> <span style="color: #009900">)</span> <span style="color: #009900">{</span>
     <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'#'</span> <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
         <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'# Table structure for table `'</span> <span style="color: #339933">.</span> <span style="color: #000088">$table</span> <span style="color: #339933">.</span> <span style="color: #0000ff">'`'</span> <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
         <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'#'</span> <span style="color: #339933">.</span> MSB_NL <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">drop_tables</span> <span style="color: #009900">)</span> <span style="color: #009900">{</span>
     <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'DROP TABLE IF EXISTS `'</span> <span style="color: #339933">.</span> <span style="color: #000088">$table</span> <span style="color: #339933">.</span> <span style="color: #0000ff">'`;'</span> <span style="color: #339933">.</span> __SEP__ <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span> <span style="color: #339933">!</span><span style="color: #009900">(</span> <span style="color: #000088">$result</span> <span style="color: #339933">=</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span>_Query<span style="color: #009900">(</span><span style="color: #0000ff">'SHOW CREATE TABLE '</span> <span style="color: #339933">.</span> <span style="color: #000088">$table</span><span style="color: #009900">)</span> <span style="color: #009900">)</span> <span style="color: #009900">)</span> <span style="color: #009900">{</span>
     <span style="color: #0099cc">return</span> <span style="color: #009900; font-weight: bold">false</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #000088">$row</span> <span style="color: #339933">=</span> <span style="color: blue">mysql_fetch_assoc</span><span style="color: #009900">(</span><span style="color: #000088">$result</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: blue">str_replace</span><span style="color: #009900">(</span><span style="color: #0000ff">"<span style="color: #000099; font-weight: bold">\n</span>"</span><span style="color: #339933">,</span> MSB_NL<span style="color: #339933">,</span> <span style="color: #000088">$row</span><span style="color: #009900">[</span><span style="color: #0000ff">'Create Table'</span><span style="color: #009900">]</span><span style="color: #009900">)</span> <span style="color: #339933">.</span> <span style="color: #0000ff">';'</span> <span style="color: #339933">.</span> __SEP__<span style="color: #339933">;</span>
   <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> MSB_NL <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span><span style="color: #339933">!</span><span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">struct_only</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
       <span style="color: #0099cc">if</span> <span style="color: #009900">(</span><span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">comments</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
         <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'#'</span> <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
         <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'# Dumping data for table `'</span> <span style="color: #339933">.</span> <span style="color: #000088">$table</span> <span style="color: #339933">.</span> <span style="color: #0000ff">'`'</span> <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
         <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'#'</span> <span style="color: #339933">.</span> MSB_NL <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
       <span style="color: #009900">}</span>
       <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span>_GetInserts<span style="color: #009900">(</span><span style="color: #000088">$table</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> MSB_NL <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
   <span style="color: #000088">$this</span><span style="color: #339933">-></span>_Query<span style="color: #009900">(</span><span style="color: #0000ff">'UNLOCK TABLES'</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #0099cc">return</span> <span style="color: #000088">$value</span><span style="color: #339933">;</span>
 <span style="color: #009900">}</span>

 <span style="color: #0000ff">function</span> _GetInserts<span style="color: #009900">(</span><span style="color: #000088">$table</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
   <span style="color: #000088">$value</span> <span style="color: #339933">=</span> <span style="color: #0000ff">''</span><span style="color: #339933">;</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span><span style="color: #339933">!</span><span style="color: #009900">(</span><span style="color: #000088">$result</span> <span style="color: #339933">=</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span>_Query<span style="color: #009900">(</span><span style="color: #0000ff">'SELECT * FROM '</span> <span style="color: #339933">.</span> <span style="color: #000088">$table</span><span style="color: #009900">)</span><span style="color: #009900">)</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
     <span style="color: #0099cc">return</span> <span style="color: #009900; font-weight: bold">false</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">complete_inserts</span> <span style="color: #009900">)</span> <span style="color: #009900">{</span>
       <span style="color: #0099cc">while</span> <span style="color: #009900">(</span><span style="color: #000088">$row</span> <span style="color: #339933">=</span> <span style="color: blue">mysql_fetch_row</span><span style="color: #009900">(</span><span style="color: #000088">$result</span><span style="color: #009900">)</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
         <span style="color: #000088">$values</span> <span style="color: #339933">=</span> <span style="color: #0000ff">''</span><span style="color: #339933">;</span>
         <span style="color: #0099cc">foreach</span> <span style="color: #009900">(</span><span style="color: #000088">$row</span> <span style="color: #0099cc">as</span> <span style="color: #000088">$data</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
           <span style="color: #000088">$values</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'\''</span> <span style="color: #339933">.</span> <span style="color: blue">addslashes</span><span style="color: #009900">(</span><span style="color: #000088">$data</span><span style="color: #009900">)</span> <span style="color: #339933">.</span> <span style="color: #0000ff">'\', '</span><span style="color: #339933">;</span>
         <span style="color: #009900">}</span>
         <span style="color: #000088">$values</span> <span style="color: #339933">=</span> <span style="color: blue">substr</span><span style="color: #009900">(</span><span style="color: #000088">$values</span><span style="color: #339933">,</span> <span style="color: #cc66cc">0</span><span style="color: #339933">,</span> <span style="color: #339933">-</span><span style="color: #cc66cc">2</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
         <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'INSERT INTO '</span> <span style="color: #339933">.</span> <span style="color: #000088">$table</span> <span style="color: #339933">.</span> <span style="color: #0000ff">' VALUES ('</span> <span style="color: #339933">.</span> <span style="color: #000088">$values</span> <span style="color: #339933">.</span> <span style="color: #0000ff">');'</span> <span style="color: #339933">.</span> __SEP__ <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
       <span style="color: #009900">}</span>
   <span style="color: #009900">}</span> <span style="color: #0099cc">else</span> <span style="color: #009900">{</span>
       <span style="color: #000088">$blocks_counter</span> <span style="color: #339933">=</span> <span style="color: #cc66cc">0</span><span style="color: #339933">;</span>
     <span style="color: #000088">$blocks</span> <span style="color: #339933">=</span> <span style="color: blue">array</span><span style="color: #009900">(</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
     <span style="color: #0099cc">while</span> <span style="color: #009900">(</span><span style="color: #000088">$row</span> <span style="color: #339933">=</span> <span style="color: blue">mysql_fetch_row</span><span style="color: #009900">(</span><span style="color: #000088">$result</span><span style="color: #009900">)</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
       <span style="color: #000088">$values</span> <span style="color: #339933">=</span> <span style="color: blue">array</span><span style="color: #009900">(</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
       <span style="color: #0099cc">foreach</span> <span style="color: #009900">(</span><span style="color: #000088">$row</span> <span style="color: #0099cc">as</span> <span style="color: #000088">$data</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
         <span style="color: #000088">$values</span><span style="color: #009900">[</span><span style="color: #009900">]</span> <span style="color: #339933">=</span> <span style="color: #0000ff">'\''</span> <span style="color: #339933">.</span> <span style="color: blue">addslashes</span><span style="color: #009900">(</span><span style="color: #000088">$data</span><span style="color: #009900">)</span> <span style="color: #339933">.</span> <span style="color: #0000ff">'\''</span><span style="color: #339933">;</span>
       <span style="color: #009900">}</span>
       <span style="color: #000088">$blocks</span><span style="color: #009900">[</span><span style="color: #009900">]</span> <span style="color: #339933">=</span> <span style="color: #0000ff">'('</span> <span style="color: #339933">.</span> <span style="color: blue">implode</span><span style="color: #009900">(</span> <span style="color: #0000ff">','</span><span style="color: #339933">,</span> <span style="color: #000088">$values</span> <span style="color: #009900">)</span> <span style="color: #339933">.</span> <span style="color: #0000ff">')'</span><span style="color: #339933">;</span>

       <span style="color: #0099cc">if</span> <span style="color: #009900">(</span> <span style="color: #000088">$blocks_counter</span> <span style="color: #339933"><</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">inserts_block</span> <span style="color: #009900">)</span> <span style="color: #009900">{</span>
         <span style="color: #000088">$blocks_counter</span><span style="color: #339933">++;</span>
       <span style="color: #009900">}</span> <span style="color: #0099cc">else</span> <span style="color: #009900">{</span>
           <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'INSERT INTO '</span> <span style="color: #339933">.</span> <span style="color: #000088">$table</span> <span style="color: #339933">.</span> <span style="color: #0000ff">' VALUES '</span> <span style="color: #339933">.</span> <span style="color: blue">implode</span><span style="color: #009900">(</span> <span style="color: #0000ff">','</span><span style="color: #339933">,</span> <span style="color: #000088">$blocks</span> <span style="color: #009900">)</span> <span style="color: #339933">.</span> <span style="color: #0000ff">";"</span> <span style="color: #339933">.</span> __SEP__ <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
           <span style="color: #000088">$blocks</span> <span style="color: #339933">=</span> <span style="color: blue">array</span><span style="color: #009900">(</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
           <span style="color: #000088">$blocks_counter</span> <span style="color: #339933">=</span> <span style="color: #cc66cc">0</span><span style="color: #339933">;</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">count</span><span style="color: #009900">(</span> <span style="color: #000088">$blocks</span> <span style="color: #009900">)</span> <span style="color: #009900">)</span> <span style="color: #009900">{</span>
       <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'INSERT INTO '</span> <span style="color: #339933">.</span> <span style="color: #000088">$table</span> <span style="color: #339933">.</span> <span style="color: #0000ff">' VALUES '</span> <span style="color: #339933">.</span> <span style="color: blue">implode</span><span style="color: #009900">(</span> <span style="color: #0000ff">','</span><span style="color: #339933">,</span> <span style="color: #000088">$blocks</span> <span style="color: #009900">)</span> <span style="color: #339933">.</span> <span style="color: #0000ff">";"</span> <span style="color: #339933">.</span> __SEP__ <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
       <span style="color: #009900">}</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">return</span> <span style="color: #000088">$value</span><span style="color: #339933">;</span>
 <span style="color: #009900">}</span>

 <span style="color: #0000ff">function</span> _Retrieve<span style="color: #009900">(</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
   <span style="color: #000088">$value</span> <span style="color: #339933">=</span> <span style="color: #0000ff">''</span><span style="color: #339933">;</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span><span style="color: #339933">!</span><span style="color: #000088">$this</span><span style="color: #339933">-></span>_Connect<span style="color: #009900">(</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: #009900; font-weight: bold">false</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span><span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">comments</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
     <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'#'</span> <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
     <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'# MySQL database dump'</span> <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
     <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'# Created by MySQL_Backup class, ver. '</span> <span style="color: #339933">.</span> MSB_VERSION <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
     <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'#'</span> <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
     <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'# Host: '</span> <span style="color: #339933">.</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">server</span> <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
     <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'# Generated: '</span> <span style="color: #339933">.</span> <span style="color: blue">date</span><span style="color: #009900">(</span><span style="color: #0000ff">'M j, Y'</span><span style="color: #009900">)</span> <span style="color: #339933">.</span> <span style="color: #0000ff">' at '</span> <span style="color: #339933">.</span> <span style="color: blue">date</span><span style="color: #009900">(</span><span style="color: #0000ff">'H:i'</span><span style="color: #009900">)</span> <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
     <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'# MySQL version: '</span> <span style="color: #339933">.</span> <span style="color: blue">mysql_get_server_info</span><span style="color: #009900">(</span><span style="color: #009900">)</span> <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
     <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'# PHP version: '</span> <span style="color: #339933">.</span> <span style="color: blue">phpversion</span><span style="color: #009900">(</span><span style="color: #009900">)</span> <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
     <span style="color: #0099cc">if</span> <span style="color: #009900">(</span><span style="color: #339933">!</span><span style="color: blue">empty</span><span style="color: #009900">(</span><span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">database</span><span style="color: #009900">)</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
       <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'#'</span> <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
       <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'# Database: `'</span> <span style="color: #339933">.</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span><span style="color: #004000">database</span> <span style="color: #339933">.</span> <span style="color: #0000ff">'`'</span> <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
     <span style="color: #009900">}</span>
     <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #0000ff">'#'</span> <span style="color: #339933">.</span> MSB_NL <span style="color: #339933">.</span> MSB_NL <span style="color: #339933">.</span> MSB_NL<span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span><span style="color: #339933">!</span><span style="color: #009900">(</span><span style="color: #000088">$tables</span> <span style="color: #339933">=</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span>_GetTables<span style="color: #009900">(</span><span style="color: #009900">)</span><span style="color: #009900">)</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
     <span style="color: #0099cc">return</span> <span style="color: #009900; font-weight: bold">false</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">foreach</span> <span style="color: #009900">(</span><span style="color: #000088">$tables</span> <span style="color: #0099cc">as</span> <span style="color: #000088">$table</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
     <span style="color: #0099cc">if</span> <span style="color: #009900">(</span><span style="color: #339933">!</span><span style="color: #009900">(</span><span style="color: #000088">$table_dump</span> <span style="color: #339933">=</span> <span style="color: #000088">$this</span><span style="color: #339933">-></span>_DumpTable<span style="color: #009900">(</span><span style="color: #000088">$table</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">$this</span><span style="color: #339933">-></span><span style="color: #004000">error</span> <span style="color: #339933">=</span> <span style="color: blue">mysql_error</span><span style="color: #009900">(</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
       <span style="color: #0099cc">return</span> <span style="color: #009900; font-weight: bold">false</span><span style="color: #339933">;</span>
     <span style="color: #009900">}</span>
     <span style="color: #000088">$value</span> <span style="color: #339933">.=</span> <span style="color: #000088">$table_dump</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">return</span> <span style="color: #000088">$value</span><span style="color: #339933">;</span>
 <span style="color: #009900">}</span>

 <span style="color: #0000ff">function</span> _SaveToFile<span style="color: #009900">(</span><span style="color: #000088">$fname</span><span style="color: #339933">,</span> <span style="color: #000088">$sql</span><span style="color: #339933">,</span> <span style="color: #000088">$compress</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
   <span style="color: #0099cc">if</span> <span style="color: #009900">(</span><span style="color: #000088">$compress</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: #339933">!</span><span style="color: #009900">(</span><span style="color: #000088">$zf</span> <span style="color: #339933">=</span> <span style="color: blue">gzopen</span><span style="color: #009900">(</span><span style="color: #000088">$fname</span><span style="color: #339933">,</span> <span style="color: #0000ff">'w9'</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">$this</span><span style="color: #339933">-></span><span style="color: #004000">error</span> <span style="color: #339933">=</span> <span style="color: #0000ff">'Can\'t create the output file.'</span><span style="color: #339933">;</span>
       <span style="color: #0099cc">return</span> <span style="color: #009900; font-weight: bold">false</span><span style="color: #339933">;</span>
     <span style="color: #009900">}</span>
     <span style="color: blue">gzwrite</span><span style="color: #009900">(</span><span style="color: #000088">$zf</span><span style="color: #339933">,</span> <span style="color: #000088">$sql</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
     <span style="color: blue">gzclose</span><span style="color: #009900">(</span><span style="color: #000088">$zf</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span> <span style="color: #0099cc">else</span> <span style="color: #009900">{</span>
       <span style="color: #0099cc">if</span> <span style="color: #009900">(</span><span style="color: #339933">!</span><span style="color: #009900">(</span><span style="color: #000088">$f</span> <span style="color: #339933">=</span> <span style="color: blue">fopen</span><span style="color: #009900">(</span><span style="color: #000088">$fname</span><span style="color: #339933">,</span> <span style="color: #0000ff">'w'</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">$this</span><span style="color: #339933">-></span><span style="color: #004000">error</span> <span style="color: #339933">=</span> <span style="color: #0000ff">'Can\'t create the output file.'</span><span style="color: #339933">;</span>
         <span style="color: #0099cc">return</span> <span style="color: #009900; font-weight: bold">false</span><span style="color: #339933">;</span>
       <span style="color: #009900">}</span>
       <span style="color: blue">fwrite</span><span style="color: #009900">(</span><span style="color: #000088">$f</span><span style="color: #339933">,</span> <span style="color: #000088">$sql</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
       <span style="color: blue">fclose</span><span style="color: #009900">(</span><span style="color: #000088">$f</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #009900">}</span>
   <span style="color: #0099cc">return</span> <span style="color: #009900; font-weight: bold">true</span><span style="color: #339933">;</span>
 <span style="color: #009900">}</span>

 <span style="color: #0000ff">function</span> _DownloadFile<span style="color: #009900">(</span><span style="color: #000088">$fname</span><span style="color: #339933">,</span> <span style="color: #000088">$sql</span><span style="color: #339933">,</span> <span style="color: #000088">$compress</span><span style="color: #009900">)</span> <span style="color: #009900">{</span>
   <span style="color: blue">header</span><span style="color: #009900">(</span><span style="color: #0000ff">'Content-disposition: filename='</span> <span style="color: #339933">.</span> <span style="color: #000088">$fname</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: blue">header</span><span style="color: #009900">(</span><span style="color: #0000ff">'Content-type: application/octetstream'</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: blue">header</span><span style="color: #009900">(</span><span style="color: #0000ff">'Pragma: no-cache'</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: blue">header</span><span style="color: #009900">(</span><span style="color: #0000ff">'Expires: 0'</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #0099cc">echo</span> <span style="color: #009900">(</span><span style="color: #000088">$compress</span> ? <span style="color: blue">gzencode</span><span style="color: #009900">(</span><span style="color: #000088">$sql</span><span style="color: #009900">)</span> <span style="color: #339933">:</span> <span style="color: #000088">$sql</span><span style="color: #009900">)</span><span style="color: #339933">;</span>
   <span style="color: #0099cc">return</span> <span style="color: #009900; font-weight: bold">true</span><span style="color: #339933">;</span>
 <span style="color: #009900">}</span>
<span style="color: #009900">}</span>

<span style="color: #000000; font-weight: bold">?></span></pre>
            </td>
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</table>
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