# Copyright (C) 2006 Jason Woofenden
#
-# This file is part of wfpl.
-#
-# wfpl 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 2, or (at your option)
-# any later version.
-#
-# wfpl 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.
-#
+# 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 wfpl; see the file COPYING. If not, write to the
-# Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
-# MA 02111-1307, USA.
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
require_once('code/wfpl/encode.php');
require_once('code/wfpl/format.php');
-# db_connect() parameters:
+# db_connect() -- connect to a mysql database
#
-# database: the name of the database you want to connect to. Defaults to the
-# second-to-last part of the domain name. eg for foo.example.com it would be
-# "example".
+# PARAMETERS:
#
-# user: username for connecting to the database. Defaults to
-# $GLOBALS['db_username'] or (if that's not set) "www".
+# database: the name of the database you want to connect to. Defaults to the
+# second-to-last part of the domain name. eg for foo.example.com it would be
+# "example".
+#
+# user: username for connecting to the database. Defaults to
+# $GLOBALS['db_username'] or (if that's not set) "www".
+#
+# password: password for connecting to the database. Defaults to
+# $GLOBALS['db_password'] or (if that's not set "".
#
-# password: password for connecting to the database. Defaults to
-# $GLOBALS['db_password'] or (if that's not set "".
+# RETURNS:
#
-# RETURNS: the database connection handle. You'll only need this if you
-# want to have multiple databases open at once.
+# the database connection handle. You'll only need this if you want to have
+# multiple databases open at once.
function db_connect($database = 'auto', $user = 'auto', $pass = 'auto', $host = 'localhost') {
if($database == 'auto') {
# %" output double quotes, surrounding the variable which is encoded to be in there.
# %s output encoded to be in double quotes, but don't output the quotes
#
-# complex example: db_get_rows('mytable', 'id', 'name=%" or company like "%%%s%%"', $name, $company_partial);
+# complex example: db_get_rows('mytable', 'id', 'where name=%" or company like "%%%s%%"', $name, $company_partial);
function db_printf($str) {
$args = func_get_args();
$args = array_slice($args, 1);
- _db_printf($str, $args);
+ return _db_printf($str, $args);
}
-# This function does the work, but takes the parameters in an array, and backwards.
+# This function does the work, but takes the parameters in an array
function _db_printf($str, $args) {
- $args = array_reverse($args); # because array_pop() takes from the end
$out = '';
while($str) {
$pos = strpos($str, '%');
$str = substr($str, $pos + 2);
if($chr == '"') {
- $out .= '"' . enc_sql(array_pop($args)) . '"';
+ $out .= '"' . enc_sql(array_shift($args)) . '"';
+ } elseif($chr == 's') {
+ $out .= enc_sql(array_shift($args));
} elseif($chr == 'i') {
- $int = format_int(array_pop($args));
+ $int = format_int(array_shift($args));
if($int == '') $int = '0';
$out .= $int;
} else {
function db_send_get($table, $columns, $where, $args) {
$sql = "SELECT $columns FROM $table";
if($where) {
- $sql .= ' WHERE ' . _db_printf($where, $args);
+ $sql .= ' ' . _db_printf($where, $args);
}
return db_send_query($sql);
return $value;
}
+function db_count($table, $where = '') {
+ $args = func_get_args();
+ array_splice($args, 1, 0, array('count(*)'));
+ return call_user_func_array('db_get_value', $args);
+}
+
# call either of these ways:
#
# db_insert('people', 'name,company', 'jason', 'widgets ltd');
# db_update('users', 'name', 'Bruce');
#
# # name user #6 Bruce
-# db_update('users', 'name', 'Bruce', 'id= %"', 6);
+# db_update('users', 'name', 'Bruce', 'where id=%i', 6);
#
# # update the whole bit for user #6
-# db_update('users', 'name,email,description', 'Bruce', 'bruce@example.com', 'is a cool guy', 'id= %"', 6);
+# db_update('users', 'name,email,description', 'Bruce', 'bruce@example.com', 'is a cool guy', 'where id=%i', 6);
#
# # update the whole bit for user #6 (passing data as an array)
# $data = array('Bruce', 'bruce@example.com', 'is a cool guy');
-# db_update('users', 'name,email,description', $data, 'id= %"', 6);
+# db_update('users', 'name,email,description', $data, 'where id=%i', 6);
# The prototype is really something like this:
-# db_update(table, columns, values..., where(optional), where_args...(optional
+# db_update(table, columns, values..., where(optional), where_args...(optional))
function db_update($table, $columns, $values) {
$args = func_get_args();
$args = array_slice($args, 2);
$where = $args[0];
$args = array_slice($args, 1);
- $sql .= ' WHERE ';
+ $sql .= ' ';
# any left for where claus arguments?
if($args) {
$sql .= _db_printf($where, $args);
function db_delete($table, $where = '') {
$sql = "DELETE FROM $table";
if($where) {
- $sql .= ' WHERE ';
+ $sql .= ' ';
$args = func_get_args();
$args = array_slice($args, 2);
if($args) {