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lots of critical changes and fixes

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This commit is contained in:
Jim Myhrberg
2010-03-04 04:00:41 +02:00
parent 814b86291b
commit bc0ef77f7b
1 changed files with 73 additions and 52 deletions
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125
litemysql.lib.php
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@@ -5,31 +5,35 @@
Class: LiteMySQL v1.1.2
http://code.google.com/p/litemysql/
Simple & easy to use class to automate the repetative & boring stuff.
Very light-weight and simple ORM-like MySQL library for PHP. Kind of like
ActiveRecord's little brother.
Requires PHP 5.0 or later.
Copyright (c) 2009 Jim Myhrberg (contact@jimeh.me).
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
(The MIT License)
Copyright (c) 2010 Jim Myhrberg.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
@@ -378,8 +382,8 @@ class LiteMySQL {
$sql = $this->build_find_query($conditions, $options);
$result = $this->query($sql);
$return = array();
if ( mysql_num_rows($result) > 0 ) {
$return = array();
while ($row = mysql_fetch_assoc($result)) {
if ( $index !== null && isset($row[$index]) ) {
if ( !isset($return[$row[$index]]) ) {
@@ -391,14 +395,9 @@ class LiteMySQL {
} else {
$return[] = $row;
}
}
if ( !empty($return) ) {
return $return;
}
}
return null;
}
return $return;
}
/**
@@ -486,7 +485,7 @@ class LiteMySQL {
* @param options additional options to pass in the query
* @return true or false
*/
function increment ($conditions = null, $column = null, $count = null, $options = array()) {
function increment ($conditions, $column, $count = 1, $options = array()) {
if ( !array_key_exists('limit', $options) ) {
$options['limit'] = 1;
}
@@ -703,8 +702,8 @@ class LiteMySQL {
* @param options additional options to pass in the query
* @return true or false
*/
function build_increment_query ($conditions = null, $column = null, $count = null, $options = array()) {
if ( $column != null && $column != "" ) {
function build_increment_query ($conditions, $column, $count = 1, $options = array()) {
if ( $column != "" ) {
$conditions = $this->build_query_conditions($conditions, $options);
if ( array_key_exists($column, $this->columns) ) {
if ( substr($this->columns[$column]['Type'], 0, 3) == "int" ) {
@@ -743,12 +742,12 @@ class LiteMySQL {
} elseif ( is_array($conditions) && !empty($conditions) ) {
$cond = array();
foreach( $conditions as $key => $value ) {
if ( !preg_match('/^[0-9]+$/', $key) ) {
$cond[] = '`'.$key."` = '".$value."'";
if ( is_array($value) ) {
$cond[] = '`'.$key."` IN (".implode(",", $this->sql_quote($value)).")";
} elseif ( !preg_match('/^[0-9]+$/', $key) ) {
$cond[] = '`'.$key."` = ".$this->sql_quote($value);
} elseif ( preg_match('/^[0-9]+$/', $value) ) {
$cond[] = "`id` = '".$value."'";
} else {
$cond[] = $this->sql_quote($value);
$cond[] = "`.$this->primary_key.` = '".$value."'";
}
}
$operator = ( !empty($options['operator']) ) ? $options['operator'] : 'AND' ;
@@ -767,16 +766,17 @@ class LiteMySQL {
if ( is_string($options) ) {
return ' '.$options;
} elseif ( is_array($options) && count($options) ) {
$query = '';
$query_end = ' ';
if ( isset($options['order_by']) && isset($options['order']) ) {
$options['order'] = $options['order_by'];
unset($options['order_by']);
if ( !empty($options['group']) ){
$query .= ' GROUP BY '.$this->sql_quote_options($options['group_by']);
unset($options['group']);
}
if ( isset($options['order']) && $options['order'] != '' ) {
$order_by = trim($options['order']);
$order_by = trim($this->sql_quote_options($options['order']));
$order = '';
if ( preg_match('/^(.*)\s(ASC|DESC)$/i', $order_by, $capture) ) {
$order = ' '.$capture[2];
@@ -786,13 +786,17 @@ class LiteMySQL {
if ( $order_by != 'RAND()' && strpos($order_by, '`') === false ) $order_by = '`'.$order_by.'`';
$query .= ' ORDER BY '.$order_by.$order;
}
if ( (isset($options['limit']) && $options['limit'] != '') && (isset($options['offset']) && $options['offset'] != '') ) {
$query_end .= 'LIMIT '.$options['limit'].' OFFSET '.$options['offset'];
unset($options['limit'], $options['offset']);
if ( (isset($options['limit']) && $options['limit'] != '') ) {
$query_end .= 'LIMIT '.$this->sql_quote_options($options['limit']);
if ( (isset($options['offset']) && $options['offset'] != '') ) {
$query_end .= ' OFFSET '.$this->sql_quote_options($options['offset']);
unset($options['offset']);
}
unset($options['limit']);
}
foreach( $options as $key => $value ) {
if ($key != 'operator' && $key != 'select' && $value != '') {
$query .= ' '.strtoupper($key).' '.$value;
$query .= ' '.strtoupper($key).' '.$this->sql_quote_options($value);
}
}
return $query.$query_end;
@@ -814,18 +818,35 @@ class LiteMySQL {
* @param field column name
* @return escaped string which is safe for SQL injection
*/
function sql_quote ($string, $column = null) {
function sql_quote ($input, $column = null) {
if ( is_array($input) ) {
$return = array();
foreach( $input as $key => $value ) {
$return[$key] = $this->sql_quote($value, $column);
}
return $return;
}
if ( $column !== null ) {
$column = $this->get_column_type($column);
}
if ( ($column == 'integer' || $column == 'float') && preg_match('/^[0-9\-\.]+$/', $string) ) {
return $string;
} elseif ( preg_match('/^[0-9\-\.]+$/', $string) ) {
return $string;
if ( ($column == 'integer' || $column == 'float') && preg_match('/^[0-9\-\.]+$/', $input) ) {
return $input;
} elseif ( preg_match('/^[0-9\-\.]+$/', $input) ) {
return $input;
} else {
return "'".addslashes($string)."'";
return "'".addslashes($input)."'";
}
}
/**
* Escape special characters in SQL statement values
* @param string data to escape
* @return safe statement value
*/
function sql_quote_options ($string) {
$split = explode(";", $string, 2);
return $split[0];
}
/**
* Get column type