<?php
-# Copyright (C) 2006 Jason Woofenden
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# This program is in the public domain within the United States. Additionally,
+# we waive copyright and related rights in the work worldwide through the CC0
+# 1.0 Universal public domain dedication, which can be found at
+# http://creativecommons.org/publicdomain/zero/1.0/
require_once(__DIR__.'/'.'encode.php');
require_once(__DIR__.'/'.'format.php');
-# db_connect() -- connect to a mysql database
+# db_connect() -- connect to a mysql database (automatically, later, when/if needed)
+# db_connect_now() -- connect to a mysql database immediately
#
# PARAMETERS:
#
#
# the database connection handle. You'll only need this if you want to have
# multiple databases open at once.
-
-function db_enc_sql($str) {
- return mysqli_real_escape_string(isset($GLOBALS['wfpl_db_handle']) ? $GLOBALS['wfpl_db_handle'] : null, $str);
+function db_connect() {
+ if (isset($GLOBALS['wfpl_db_handle'])) {
+ mysqli_close($GLOBALS['wfpl_db_handle']);
+ unset($GLOBALS['wfpl_db_handle']);
+ }
+ $GLOBALS['wfpl_db_connect_args'] = func_get_args();
}
-
-function db_connect($database = 'auto', $user = 'auto', $pass = 'auto', $host = 'localhost', $encoding = 'utf8') {
+function db_connect_now($database = 'auto', $user = 'auto', $pass = 'auto', $host = 'localhost', $encoding = 'utf8') {
if($database == 'auto') {
if(isset($GLOBALS['db_name'])) {
$database = $GLOBALS['db_name'];
}
}
- $GLOBALS['wfpl_db_handle'] = mysqli_connect($host, $user, $pass);
+ $GLOBALS['wfpl_db_handle'] = @mysqli_connect($host, $user, $pass);
if(!$GLOBALS['wfpl_db_handle']) {
- die('Could not connect to the database: ' . mysqli_error());
+ die('Server error: Database connection failed');
+ # to show username and host: mysqli_connect_error()
}
mysqli_set_charset($GLOBALS['wfpl_db_handle'], $encoding);
return $GLOBALS['wfpl_db_handle'];
}
+# for internal use (helps implement the auto-connect feature of db_connect())
+function _db_connection_needed() {
+ if (isset($GLOBALS['wfpl_db_handle'])) {
+ return;
+ }
+ if (isset($GLOBALS['wfpl_db_connect_args'])) {
+ return call_user_func_array('db_connect_now', $GLOBALS['wfpl_db_connect_args']);
+ }
+ die('Error: you must call db_connect() or db_auto_connect() first!');
+}
+
+function db_enc_sql($str) {
+ _db_connection_needed();
+ return mysqli_real_escape_string(isset($GLOBALS['wfpl_db_handle']) ? $GLOBALS['wfpl_db_handle'] : null, $str);
+}
# Unless you're doing something unusual like an ALTER TABLE don't call this directly
function db_send_query($sql) {
+ _db_connection_needed();
#echo("Sending query: " . enc_html($sql) . "<br>\n");
$result = mysqli_query($GLOBALS['wfpl_db_handle'], $sql);
if(!$result) {
# return the value mysql made up for the auto_increment field (for the last insert)
function db_auto_id() {
+ _db_connection_needed();
return mysqli_insert_id($GLOBALS['wfpl_db_handle']);
}