Comments
git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@1052 7c3ca157-0c34-0410-bff1-cbf682f78f5c
This commit is contained in:
jakubvrana
parent
4b3a0130ee
commit
9a176b0ca3
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@ -1,32 +1,62 @@
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<?php
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/** Get database connection
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* @return Min_DB
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*/
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function get_dbh() {
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// can be used in customization, $dbh is minified
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global $dbh;
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return $dbh;
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}
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/** Escape database identifier
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* @param string
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* @return string
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*/
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function idf_escape($idf) {
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return "`" . str_replace("`", "``", $idf) . "`";
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}
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/** Unescape database identifier
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* @param string text inside ``
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* @return string
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*/
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function idf_unescape($idf) {
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return str_replace("``", "`", $idf);
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}
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/** Escape or unescape string to use inside form []
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* @param string
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* @param bool
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* @return string
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*/
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function bracket_escape($idf, $back = false) {
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// escape brackets inside name="x[]"
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static $trans = array(':' => ':1', ']' => ':2', '[' => ':3');
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return strtr($idf, ($back ? array_flip($trans) : $trans));
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}
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/** Escape for HTML
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* @param string
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* @return string
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*/
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function h($string) {
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return htmlspecialchars($string, ENT_QUOTES);
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}
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/** Escape for TD
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* @param string
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* @return string
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*/
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function nbsp($string) {
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return (strlen(trim($string)) ? h($string) : " ");
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}
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/** Generate list of HTML options
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* @param array array of strings or arrays (creates optgroup)
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* @param mixed
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* @param bool always use array keys for value="", otherwise only string keys are used
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* @return string
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*/
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function optionlist($options, $selected = null, $use_keys = false) {
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$return = "";
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foreach ($options as $k => $v) {
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@ -43,6 +73,11 @@ function optionlist($options, $selected = null, $use_keys = false) {
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return $return;
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}
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/** Get list of values from database
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* @param string
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* @param mixed
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* @return array
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*/
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function get_vals($query, $column = 0) {
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global $dbh;
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$return = array();
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@ -55,6 +90,11 @@ function get_vals($query, $column = 0) {
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return $return;
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}
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/** Find unique identifier of a row
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* @param array
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* @param array result of indexes()
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* @return string query string
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*/
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function unique_idf($row, $indexes) {
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foreach ($indexes as $index) {
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if ($index["type"] == "PRIMARY" || $index["type"] == "UNIQUE") {
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@ -77,6 +117,10 @@ function unique_idf($row, $indexes) {
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return $return;
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}
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/** Create SQL condition from parsed query string
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* @param array parsed query string
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* @return string
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*/
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function where($where) {
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global $dbh;
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$return = array();
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@ -91,15 +135,30 @@ function where($where) {
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return implode(" AND ", $return);
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}
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/** Create SQL condition from query string
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* @param string
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* @return string
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*/
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function where_check($val) {
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parse_str($val, $check);
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return where($check);
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}
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/** Create query string where condition from value
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* @param int condition order
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* @param string column identifier
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* @param string
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* @return string
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*/
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function where_link($i, $column, $value) {
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return "&where%5B$i%5D%5Bcol%5D=" . urlencode($column) . "&where%5B$i%5D%5Bop%5D=%3D&where%5B$i%5D%5Bval%5D=" . urlencode($value);
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}
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/** Send Location header and exit
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* @param string
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* @param string
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* @return null
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*/
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function redirect($location, $message = null) {
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if (isset($message)) {
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$_SESSION["messages"][] = $message;
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@ -108,6 +167,15 @@ function redirect($location, $message = null) {
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exit;
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}
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/** Execute query and redirect if successful
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* @param string
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* @param string
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* @param string
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* @param bool
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* @param bool
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* @param bool
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* @return bool
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*/
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function query_redirect($query, $location, $message, $redirect = true, $execute = true, $failed = false) {
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global $dbh, $error, $adminer;
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$sql = "";
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@ -127,6 +195,10 @@ function query_redirect($query, $location, $message, $redirect = true, $execute
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return true;
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}
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/** Execute and remember query
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* @param string null to return remembered queries
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* @return Min_Result
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*/
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function queries($query = null) {
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global $dbh;
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static $queries = array();
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@ -138,15 +210,28 @@ function queries($query = null) {
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return $dbh->query($query);
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}
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/** Remove parameter from query string
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* @param string
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* @return string
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*/
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function remove_from_uri($param = "") {
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$param = "($param|" . session_name() . ")";
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return preg_replace("~\\?$param=[^&]*&~", '?', preg_replace("~\\?$param=[^&]*\$|&$param=[^&]*~", '', $_SERVER["REQUEST_URI"]));
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}
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/** Generate page number for pagination
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* @param int
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* @return string
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*/
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function pagination($page) {
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return " " . ($page == $_GET["page"] ? $page + 1 : '<a href="' . h(remove_from_uri("page") . ($page ? "&page=$page" : "")) . '">' . ($page + 1) . "</a>");
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}
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/** Get file contents from $_FILES or $_POST["files"]
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* @param string
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* @param bool
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* @return string
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*/
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function get_file($key, $decompress = false) {
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// returns int for error, string otherwise
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$file = $_POST["files"][$key];
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@ -168,19 +253,32 @@ function get_file($key, $decompress = false) {
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)); //! may not be reachable because of open_basedir
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}
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/** Determine upload error
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* @param int
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* @return string
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*/
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function upload_error($error) {
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$max_size = ($error == UPLOAD_ERR_INI_SIZE ? ini_get("upload_max_filesize") : null); // post_max_size is checked in index.php
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return ($error ? lang('Unable to upload a file.') . ($max_size ? " " . lang('Maximum allowed file size is %sB.', $max_size) : "") : lang('File does not exist.'));
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}
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function odd($s = ' class="odd"') {
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/** Generate class for odd rows
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* @param string return this for odd rows, empty to reset counter
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* @return string
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*/
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function odd($return = ' class="odd"') {
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static $i = 0;
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if (!$s) { // reset counter
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if (!$return) { // reset counter
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$i = -1;
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}
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return ($i++ % 2 ? $s : '');
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return ($i++ % 2 ? $return : '');
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}
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/** Print select result
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* @param Min_Result
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* @param Min_DB connection to examine indexes
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* @return null
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*/
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function select($result, $dbh2 = null) {
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if (!$result->num_rows) {
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echo "<p class='message'>" . lang('No rows.') . "\n";
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@ -253,11 +351,21 @@ function select($result, $dbh2 = null) {
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}
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}
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/** Check whether the string is in UTF-8
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* @param string
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* @return bool
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*/
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function is_utf8($val) {
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// don't print control chars except \t\r\n
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return (preg_match('~~u', $val) && !preg_match('~[\\0-\\x8\\xB\\xC\\xE-\\x1F]~', $val));
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}
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/** Shorten UTF-8 string
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* @param string
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* @param int
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* @param string
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* @return string escaped string with appended ...
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*/
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function shorten_utf8($string, $length = 80, $suffix = "") {
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if (!preg_match("~^((?:.|\n){0,$length})(.|\n)?~u", $string, $match)) { // ~s causes trash in $match[2] under some PHP versions
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preg_match("(^([\t\r\n -~]{0,$length})(.?))s", $string, $match);
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@ -265,11 +373,20 @@ function shorten_utf8($string, $length = 80, $suffix = "") {
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return h($match[1]) . $suffix . ($match[2] ? "<em>...</em>" : "");
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}
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/** Generate friendly URL
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* @param string
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* @return string
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*/
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function friendly_url($val) {
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// used for blobs and export
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return preg_replace('~[^a-z0-9_]~i', '-', $val);
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}
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/** Print hidden fields
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* @param array
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* @param array
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* @return null
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*/
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function hidden_fields($process, $ignore = array()) {
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while (list($key, $val) = each($process)) {
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if (is_array($val)) {
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@ -282,6 +399,10 @@ function hidden_fields($process, $ignore = array()) {
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}
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}
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/** Find out foreign keys for each column
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* @param string
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* @return array array($col => array())
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*/
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function column_foreign_keys($table) {
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$return = array();
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foreach (foreign_keys($table) as $foreign_key) {
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@ -292,6 +413,12 @@ function column_foreign_keys($table) {
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return $return;
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}
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/** Print edit input field
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* @param array one field from fields()
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* @param mixed
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* @param string
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* @return null
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*/
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function input($field, $value, $function) {
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global $types, $adminer;
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$name = h(bracket_escape($field["field"]));
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@ -335,6 +462,10 @@ function input($field, $value, $function) {
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}
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}
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/** Process edit input field
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* @param one field from fields()
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* @return string
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*/
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function process_input($field) {
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global $dbh, $adminer;
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$idf = bracket_escape($field["field"]);
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@ -359,6 +490,10 @@ function process_input($field) {
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}
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}
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/** Print data with optional compression
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* @param string null to force output
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* @return null
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*/
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function dump($string = null) { // null $string forces sending of buffer
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static $buffer = ""; // used to improve compression and to allow GZ archives unpackable in Total Commander
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if ($_POST["compress"]) {
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@ -376,6 +511,10 @@ function dump($string = null) { // null $string forces sending of buffer
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}
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}
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/** Print CSV row
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* @param array
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* @return null
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*/
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function dump_csv($row) {
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foreach ($row as $key => $val) {
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if (preg_match("~[\"\n,]~", $val) || (isset($val) && !strlen($val))) {
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@ -385,10 +524,19 @@ function dump_csv($row) {
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dump(implode(",", $row) . "\n");
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}
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/** Apply SQL function
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* @param string
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* @param string escaped column identifier
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* @return string
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*/
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function apply_sql_function($function, $column) {
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return ($function ? ($function == "count distinct" ? "COUNT(DISTINCT " : strtoupper("$function(")) . "$column)" : $column);
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}
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/** Check whether the string is e-mail address
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* @param string
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* @return bool
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*/
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function is_email($email) {
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$atom = '[-a-z0-9!#$%&\'*+/=?^_`{|}~]'; // characters of local-name
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$domain = '[a-z0-9]([-a-z0-9]{0,61}[a-z0-9])'; // one domain component
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@ -140,6 +140,9 @@ if (extension_loaded("mysqli")) {
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exit;
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}
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/** Connect to the database
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* @return mixed Min_DB or string for error
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*/
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function connect() {
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global $adminer;
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$dbh = new Min_DB;
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@ -152,6 +155,10 @@ function connect() {
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return $dbh->error;
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}
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/** Get cached list of databases
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* @param bool
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* @return array
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*/
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function get_databases($flush = true) {
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// SHOW DATABASES can take a very long time so it is cached
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$return = &$_SESSION["databases"][$_GET["server"]];
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@ -165,6 +172,10 @@ function get_databases($flush = true) {
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return $return;
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}
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/** Get table status
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* @param string
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* @return array
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*/
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function table_status($name = "") {
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global $dbh;
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$return = array();
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@ -179,6 +190,9 @@ function table_status($name = "") {
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return (strlen($name) ? $return[$name] : $return);
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}
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/** Get status of referencable tables
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* @return array
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*/
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function table_status_referencable() {
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$return = array();
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foreach (table_status() as $name => $row) {
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@ -189,6 +203,10 @@ function table_status_referencable() {
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return $return;
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}
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/** Get information about fields
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* @param string
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* @return array array($name => array("field" => , "full_type" => , "type" => , "length" => , "unsigned" => , "default" => , "null" => , "auto_increment" => , "on_update" => , "collation" => , "privileges" => , "comment" => , "primary" => ))
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*/
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function fields($table) {
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global $dbh;
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$return = array();
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@ -216,6 +234,11 @@ function fields($table) {
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return $return;
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}
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/** Get table indexes
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* @param string
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* @param string Min_DB to use
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* @return array array($key_name => array("type" => , "columns" => array(), "lengths" => array()))
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*/
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function indexes($table, $dbh2 = null) {
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global $dbh;
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if (!is_object($dbh2)) { // use the main connection if the separate connection is unavailable
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@ -233,6 +256,10 @@ function indexes($table, $dbh2 = null) {
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return $return;
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}
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/** Get foreign keys in table
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* @param string
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* @return array array($name => array("db" => , "table" => , "source" => array(), "target" => array(), "on_delete" => , "on_update" => ))
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*/
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function foreign_keys($table) {
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global $dbh, $on_actions;
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static $pattern = '(?:[^`]|``)+';
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@ -257,11 +284,18 @@ function foreign_keys($table) {
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return $return;
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}
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/** Get view SELECT
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* @param string
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* @return array array("select" => )
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*/
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function view($name) {
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global $dbh;
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return array("select" => preg_replace('~^(?:[^`]|`[^`]*`)* AS ~U', '', $dbh->result($dbh->query("SHOW CREATE VIEW " . idf_escape($name)), 1)));
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}
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/** Get sorted grouped list of collations
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* @return array
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*/
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function collations() {
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global $dbh;
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$return = array();
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@ -276,11 +310,19 @@ function collations() {
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return $return;
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}
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/** Escape string to use inside ''
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* @param string
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* @return string
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*/
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function escape_string($val) {
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global $dbh;
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return substr($dbh->quote($val), 1, -1);
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}
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/** Find out if database is information_schema
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* @param string
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* @return bool
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*/
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function information_schema($db) {
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global $dbh;
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return ($dbh->server_info >= 5 && $db == "information_schema");
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|
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@ -85,7 +85,7 @@ if (!$error && $_POST) {
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$offset = strlen($query);
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}
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} else { // find matching quote
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while (preg_match("~$found|\\\\.|\$~s", $query, $match, PREG_OFFSET_CAPTURE, $offset)) {
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while (preg_match("~$found|\\\\.|\$~s", $query, $match, PREG_OFFSET_CAPTURE, $offset)) { //! respect sql_mode NO_BACKSLASH_ESCAPES
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$s = $match[0][0];
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$offset = $match[0][1] + strlen($s);
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if (!$s || $s == $found) {
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