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110 lines
2.4 KiB
110 lines
2.4 KiB
<?php
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/**
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* @package uForum
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* @file includes/sql_parse.php
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* @version $Id$
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* @copyright 2007-2010 (c) PioDer <[email protected]>
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* @link http://www.pioder.pl/
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* @license see LICENSE.txt
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* @note Originally, phpMyAdmin function
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**/
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function remove_comments(&$output)
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{
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$lines = explode("\n", $output);
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$output = "";
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$linecount = count($lines);
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$in_comment = false;
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for($i = 0; $i < $linecount; $i++)
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{
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if( preg_match("/^\/\*/", preg_quote($lines[$i])) )
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{
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$in_comment = true;
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}
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if( !$in_comment )
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{
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$output .= $lines[$i] . "\n";
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}
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if( preg_match("/\*\/$/", preg_quote($lines[$i])) )
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{
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$in_comment = false;
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}
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}
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unset($lines);
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return $output;
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}
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function remove_remarks($sql)
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{
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$lines = explode("\n", $sql);
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$sql = "";
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$linecount = count($lines);
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$output = "";
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for ($i = 0; $i < $linecount; $i++)
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{
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if (($i != ($linecount - 1)) || (strlen($lines[$i]) > 0))
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{
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if ($lines[$i][0] != "#")
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{
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$output .= $lines[$i] . "\n";
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}
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else
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{
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$output .= "\n";
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}
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$lines[$i] = "";
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}
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}
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return $output;
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}
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function split_sql_file($sql)
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{
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$delimiter = ';';
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$tokens = explode($delimiter, $sql);
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$sql = "";
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$output = array();
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$matches = array();
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$token_count = count($tokens);
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for ($i = 0; $i < $token_count; $i++)
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{
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if (($i != ($token_count - 1)) || (strlen($tokens[$i] > 0)))
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{
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$total_quotes = preg_match_all("/'/", $tokens[$i], $matches);
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$escaped_quotes = preg_match_all("/(?<!\\\\)(\\\\\\\\)*\\\\'/", $tokens[$i], $matches);
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$unescaped_quotes = $total_quotes - $escaped_quotes;
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if (($unescaped_quotes % 2) == 0)
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{
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$output[] = $tokens[$i];
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$tokens[$i] = "";
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}
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else
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{
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$temp = $tokens[$i] . $delimiter;
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$tokens[$i] = "";
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$complete_stmt = false;
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for ($j = $i + 1; (!$complete_stmt && ($j < $token_count)); $j++)
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{
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$total_quotes = preg_match_all("/'/", $tokens[$j], $matches);
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$escaped_quotes = preg_match_all("/(?<!\\\\)(\\\\\\\\)*\\\\'/", $tokens[$j], $matches);
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$unescaped_quotes = $total_quotes - $escaped_quotes;
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if (($unescaped_quotes % 2) == 1)
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{
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$output[] = $temp . $tokens[$j];
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$tokens[$j] = "";
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$temp = "";
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$complete_stmt = true;
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$i = $j;
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}
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else
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{
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$temp .= $tokens[$j] . $delimiter;
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$tokens[$j] = "";
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}
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}
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}
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}
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}
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return $output;
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}
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?>
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