【php开源代码栏目提醒】:本文主要为网学会员提供db_search.php,希望对需要db_search.php网友有所帮助,学习一下!
<?php
/* $Id: db_search.php,v 2.19 2006/01/25 14:23:26 lem9 Exp $ */
// vim: expandtab sw=4 ts=4 sts=4:
/**
* Credits for this script goes to Thomas Chaumeny <chaume92 at aol.com>
*/
require_once('./libraries/common.lib.php');
/**
* Gets some core libraries and send headers
*/
require('./libraries/db_details_common.inc.php');
// If config variable $cfg['Usedbsearch'] is on FALSE : exit.
if (!$cfg['UseDbSearch']) {
PMA_
mysqlDie($strAccessDenied, '', FALSE, $err_url);
} // end if
$url_query .= '&goto=db_search.php';
$url_params['goto'] = 'db_search.php';
/**
* Get the list of tables from the current database
*/
$tables = PMA_DBI_get_tables($GLOBALS['db']);
$num_tables = count( $tables );
/**
* Displays top links
*/
$sub_part = '';
require('./libraries/db_details_links.inc.php');
/**
* 1. Main search form has been submitted
*/
if (isset($_REQUEST['submit_search'])) {
/**
* Builds the SQL search query
*
* @param string the table name
* @param string the string to search
* @param integer type of search (1 -> 1 word at least, 2 -> all words,
* 3 -> exact string, 4 -> regexp)
*
* @return array 3 SQL querys (for count, display and delete results)
*
* @global string the url to return to in case of errors
*/
function PMA_getSearchSqls($table, $search_str, $search_option)
{
global $err_url, $charset_connection;
// Statement types
$sqlstr_select = 'SELECT';
$sqlstr_delete = 'DELETE';
// Fields to select
$res = PMA_DBI_query('SHOW ' . (PMA_MYSQL_INT_VERSION >= 40100 ? 'FULL ' : '') . 'FIELDS FROM ' . PMA_backquote($table) . ' FROM ' . PMA_backquote($GLOBALS['db']) . ';');
while ($current = PMA_DBI_fetch_assoc($res)) {
if (PMA_MYSQL_INT_VERSION >= 40100) {
list($current['Charset']) = explode('_', $current['Collation']);
}
$current['Field'] = PMA_backquote($current['Field']);
$tblfields[] = $current;
} // while
PMA_DBI_free_result($res);
unset($current, $res);
$tblfields_cnt = count($tblfields);
// Table to use
$sqlstr_from = ' FROM ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($table);
// Beginning of WHERE clause
$sqlstr_where = ' WHERE';
$search_words = (($search_option > 2) ? array($search_str) : explode(' ', $search_str));
$search_wds_cnt = count($search_
words);
$like_or_regex = (($search_option == 4) ? 'REGEXP' : 'LIKE');
$automatic_wildcard = (($search_option <3) ? '%' : '');
for ($i = 0; $i < $search_wds_cnt; $i++) {
// Eliminates empty values
// In MySQL 4.1, if a field has no collation we get NULL in Charset
// but in MySQL 5.0.x we get ''
if (!empty($search_words[$i])) {
for ($j = 0; $j < $tblfields_cnt; $j++) {
if (PMA_MYSQL_INT_VERSION >= 40100 && $tblfields[$j]['Charset'] != $charset_connection && $tblfields[$j]['Charset'] != 'NULL' && $tblfields[$j]['Charset'] != '') {
$prefix = 'CONVERT(_utf8 ';
$suffix = ' USING ' . $tblfields[$j]['Charset'] . ') COLLATE ' . $tblfields[$j]['Collation'];
} else {
$prefix = $suffix = '';
}
$thefieldlikevalue[] = $tblfields[$j]['Field']
. ' ' . $like_or_regex . ' '
. $prefix
. '\''
. $automatic_wildcard
. $search_words[$i]
. $automatic_wildcard . '\''
. $suffix;
} // end for
$fieldslikevalues[] = ($search_wds_cnt > 1)
? '(' . implode(' OR ', $thefieldlikevalue) . ')'
: implode(' OR ', $thefieldlikevalue);
unset($thefieldlikevalue);
} // end if
} // end for
$implode_str = ($search_option == 1 ? ' OR ' : ' AND ');
$sqlstr_where .= ' ' . implode($implode_str, $fieldslikevalues);
unset($fieldslikevalues);
// Builds complete queries
$sql['select_fields'] = $sqlstr_select . ' * ' . $sqlstr_from . $sqlstr_where;
// here, I think we need to still use the COUNT clause, even for
// VIEWs, anyway we have a WHERE clause that should limit results
$sql['select_count'] = $sqlstr_select . ' COUNT(*) AS count' . $sqlstr_from . $sqlstr_where;
$sql['delete'] = $
sqlstr_delete . $sqlstr_from . $sqlstr_where;
return $sql;
} // end of the "PMA_getSearchSqls()" function
/**
* Displays the results
*/
if (!empty($_REQUEST['search_str']) && !empty($_REQUEST['search_option'])) {
$original_search_str = $_REQUEST['search_str'];
$search_str = PMA_sqlAddslashes($_REQUEST['search_str'], TRUE);
// Get the true string to display as option's comment
switch ($_REQUEST['search_option']) {
case 1:
$option_str = ' (' . $strSearchOption1 . ')';
$search_option = 1;
break;
case 2:
$option_str = ' (' . $strSearchOption2 . ')';
$search_option = 2;
break;
case 3:
$option_str = ' (' . $strSearchOptio