It didn't work for exports bigger than 1 MB. An alternative would be to remove the limit from output buffer which would need memory for the whole export. Another alternative would be to create a temporary file in output handler and bzwrite() to this file - that would work but it's complicated, especially if we want to output the file progressively - bzopen($tmp, 'w'), fopen($tmp, 'r').
215 lines
9.5 KiB
PHP
215 lines
9.5 KiB
PHP
<?php
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if (!$error && $_POST["export"]) {
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dump_headers("sql");
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$adminer->dumpTable("", "");
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$adminer->dumpData("", "table", $_POST["query"]);
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exit;
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}
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restart_session();
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$history_all = &get_session("queries");
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$history = &$history_all[DB];
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if (!$error && $_POST["clear"]) {
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$history = array();
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redirect(remove_from_uri("history"));
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}
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page_header(lang('SQL command'), $error);
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if (!$error && $_POST) {
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$fp = false;
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$query = $_POST["query"];
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if ($_POST["webfile"]) {
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$fp = @fopen((file_exists("adminer.sql")
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? "adminer.sql"
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: "compress.zlib://adminer.sql.gz"
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), "rb");
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$query = ($fp ? fread($fp, 1e6) : false);
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} elseif ($_FILES && $_FILES["sql_file"]["error"][0] != 4) { // 4 - UPLOAD_ERR_NO_FILE
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$query = get_file("sql_file", true);
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}
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if (is_string($query)) { // get_file() returns error as number, fread() as false
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if (function_exists('memory_get_usage')) {
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@ini_set("memory_limit", max(ini_bytes("memory_limit"), 2 * strlen($query) + memory_get_usage() + 8e6)); // @ - may be disabled, 2 - substr and trim, 8e6 - other variables
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}
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if ($query != "" && strlen($query) < 1e6) { // don't add big queries
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$q = $query . (ereg(";[ \t\r\n]*\$", $query) ? "" : ";"); //! doesn't work with DELIMITER |
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if (!$history || reset(end($history)) != $q) { // no repeated queries
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restart_session();
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$history[] = array($q, time());
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set_session("queries", $history_all); // required because reference is unlinked by stop_session()
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stop_session();
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}
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}
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$space = "(?:\\s|/\\*.*\\*/|(?:#|-- )[^\n]*\n|--\n)";
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$delimiter = ";";
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$offset = 0;
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$empty = true;
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$connection2 = connect(); // connection for exploring indexes and EXPLAIN (to not replace FOUND_ROWS()) //! PDO - silent error
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if (is_object($connection2) && DB != "") {
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$connection2->select_db(DB);
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}
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$commands = 0;
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$errors = array();
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$line = 0;
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$parse = '[\'"' . ($jush == "sql" ? '`#' : ($jush == "sqlite" ? '`[' : ($jush == "mssql" ? '[' : ''))) . ']|/\\*|-- |$' . ($jush == "pgsql" ? '|\\$[^$]*\\$' : '');
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$total_start = microtime();
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parse_str($_COOKIE["adminer_export"], $adminer_export);
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$dump_format = $adminer->dumpFormat();
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unset($dump_format["sql"]);
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while ($query != "") {
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if (!$offset && preg_match("~^$space*DELIMITER\\s+(\\S+)~i", $query, $match)) {
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$delimiter = $match[1];
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$query = substr($query, strlen($match[0]));
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} else {
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preg_match('(' . preg_quote($delimiter) . "\\s*|$parse)", $query, $match, PREG_OFFSET_CAPTURE, $offset); // should always match
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list($found, $pos) = $match[0];
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if (!$found && $fp && !feof($fp)) {
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$query .= fread($fp, 1e5);
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} else {
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if (!$found && rtrim($query) == "") {
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break;
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}
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$offset = $pos + strlen($found);
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if ($found && rtrim($found) != $delimiter) { // find matching quote or comment end
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while (preg_match('(' . ($found == '/*' ? '\\*/' : ($found == '[' ? ']' : (ereg('^-- |^#', $found) ? "\n" : preg_quote($found) . "|\\\\."))) . '|$)s', $query, $match, PREG_OFFSET_CAPTURE, $offset)) { //! respect sql_mode NO_BACKSLASH_ESCAPES
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$s = $match[0][0];
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if (!$s && $fp && !feof($fp)) {
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$query .= fread($fp, 1e5);
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} else {
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$offset = $match[0][1] + strlen($s);
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if ($s[0] != "\\") {
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break;
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}
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}
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}
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} else { // end of a query
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$empty = false;
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$q = substr($query, 0, $pos);
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$commands++;
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$print = "<pre id='sql-$commands'><code class='jush-$jush'>" . shorten_utf8(trim($q), 1000) . "</code></pre>\n";
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if (!$_POST["only_errors"]) {
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echo $print;
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ob_flush();
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flush(); // can take a long time - show the running query
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}
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$start = microtime(); // microtime(true) is available since PHP 5
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//! don't allow changing of character_set_results, convert encoding of displayed query
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if ($connection->multi_query($q) && is_object($connection2) && preg_match("~^$space*USE\\b~isU", $q)) {
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$connection2->query($q);
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}
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do {
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$result = $connection->store_result();
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$end = microtime();
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$time = " <span class='time'>(" . format_time($start, $end) . ")</span>"
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. (strlen($q) < 1000 ? " <a href='" . h(ME) . "sql=" . urlencode(trim($q)) . "'>" . lang('Edit') . "</a>" : ""); // 1000 - maximum length of encoded URL in IE is 2083 characters
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if ($connection->error) {
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echo ($_POST["only_errors"] ? $print : "");
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echo "<p class='error'>" . lang('Error in query') . ($connection->errno ? " ($connection->errno)" : "") . ": " . error() . "\n";
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$errors[] = " <a href='#sql-$commands'>$commands</a>";
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if ($_POST["error_stops"]) {
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break 2;
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}
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} elseif (is_object($result)) {
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$orgtables = select($result, $connection2);
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if (!$_POST["only_errors"]) {
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echo "<form action='' method='post'>\n";
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echo "<p>" . ($result->num_rows ? lang('%d row(s)', $result->num_rows) : "") . $time;
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$id = "export-$commands";
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$export = ", <a href='#$id' onclick=\"return !toggle('$id');\">" . lang('Export') . "</a><span id='$id' class='hidden'>: "
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. html_select("output", $adminer->dumpOutput(), $adminer_export["output"]) . " "
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. html_select("format", $dump_format, $adminer_export["format"])
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. "<input type='hidden' name='query' value='" . h($q) . "'>"
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. " <input type='submit' name='export' value='" . lang('Export') . "'><input type='hidden' name='token' value='$token'></span>\n"
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;
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if ($connection2 && preg_match("~^($space|\\()*SELECT\\b~isU", $q) && ($explain = explain($connection2, $q))) {
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$id = "explain-$commands";
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echo ", <a href='#$id' onclick=\"return !toggle('$id');\">EXPLAIN</a>$export";
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echo "<div id='$id' class='hidden'>\n";
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select($explain, $connection2, ($jush == "sql" ? "http://dev.mysql.com/doc/refman/" . substr($connection->server_info, 0, 3) . "/en/explain-output.html#explain_" : ""), $orgtables);
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echo "</div>\n";
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} else {
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echo $export;
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}
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echo "</form>\n";
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}
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} else {
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if (preg_match("~^$space*(CREATE|DROP|ALTER)$space+(DATABASE|SCHEMA)\\b~isU", $q)) {
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restart_session();
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set_session("dbs", null); // clear cache
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stop_session();
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}
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if (!$_POST["only_errors"]) {
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echo "<p class='message' title='" . h($connection->info) . "'>" . lang('Query executed OK, %d row(s) affected.', $connection->affected_rows) . "$time\n";
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}
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}
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$start = $end;
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} while ($connection->next_result());
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$line += substr_count($q.$found, "\n");
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$query = substr($query, $offset);
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$offset = 0;
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}
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}
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}
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}
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if ($empty) {
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echo "<p class='message'>" . lang('No commands to execute.') . "\n";
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} elseif ($_POST["only_errors"]) {
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echo "<p class='message'>" . lang('%d query(s) executed OK.', $commands - count($errors));
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echo " <span class='time'>(" . format_time($total_start, microtime()) . ")</span>\n";
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} elseif ($errors && $commands > 1) {
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echo "<p class='error'>" . lang('Error in query') . ": " . implode("", $errors) . "\n";
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}
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//! MS SQL - SET SHOWPLAN_ALL OFF
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} else {
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echo "<p class='error'>" . upload_error($query) . "\n";
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}
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}
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?>
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<form action="" method="post" enctype="multipart/form-data" id="form">
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<p><?php
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$q = $_GET["sql"]; // overwrite $q from if ($_POST) to save memory
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if ($_POST) {
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$q = $_POST["query"];
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} elseif ($_GET["history"] == "all") {
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$q = $history;
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} elseif ($_GET["history"] != "") {
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$q = $history[$_GET["history"]][0];
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}
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textarea("query", $q, 20);
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echo ($_POST ? "" : "<script type='text/javascript'>document.getElementsByTagName('textarea')[0].focus();</script>\n");
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echo "<p>" . (ini_bool("file_uploads")
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? lang('File upload') . ': <input type="file" name="sql_file[]" multiple'
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. ($_FILES && $_FILES["sql_file"]["error"][0] != 4 ? '' : ' onchange="this.form[\'only_errors\'].checked = true;"') // 4 - UPLOAD_ERR_NO_FILE
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. '> (< ' . ini_get("upload_max_filesize") . 'B)' // ignore post_max_size because it is for all form fields together and bytes computing would be necessary
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: lang('File uploads are disabled.')
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);
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?>
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<p>
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<input type="submit" value="<?php echo lang('Execute'); ?>" title="Ctrl+Enter">
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<?php
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echo checkbox("error_stops", 1, $_POST["error_stops"], lang('Stop on error')) . "\n";
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echo checkbox("only_errors", 1, $_POST["only_errors"], lang('Show only errors')) . "\n";
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print_fieldset("webfile", lang('From server'), $_POST["webfile"], "document.getElementById('form')['only_errors'].checked = true; ");
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echo lang('Webserver file %s', "<code>adminer.sql" . (extension_loaded("zlib") ? "[.gz]" : "") . "</code>");
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echo ' <input type="submit" name="webfile" value="' . lang('Run file') . '">';
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echo "</div></fieldset>\n";
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if ($history) {
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print_fieldset("history", lang('History'), $_GET["history"] != "");
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for ($val = end($history); $val; $val = prev($history)) { // not array_reverse() to save memory
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$key = key($history);
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list($q, $time) = $val;
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echo '<a href="' . h(ME . "sql=&history=$key") . '">' . lang('Edit') . "</a> <span class='time' title='" . @date('Y-m-d', $time) . "'>" . @date("H:i:s", $time) . "</span> <code class='jush-$jush'>" . shorten_utf8(ltrim(str_replace("\n", " ", str_replace("\r", "", preg_replace('~^(#|-- ).*~m', '', $q)))), 80, "</code>") . "<br>\n"; // @ - time zone may be not set
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}
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echo "<input type='submit' name='clear' value='" . lang('Clear') . "'>\n";
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echo "<a href='" . h(ME . "sql=&history=all") . "'>" . lang('Edit all') . "</a>\n";
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echo "</div></fieldset>\n";
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}
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?>
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<input type="hidden" name="token" value="<?php echo $token; ?>">
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</form>
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