| <?php |
| /** |
| * File containing the ezcQueryExpressionSqlite class. |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| * @package Database |
| * @version //autogentag// |
| * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0 |
| */ |
| |
| /** |
| * The ezcQueryExpressionSqlite class is used to create SQL expression for SQLite. |
| * |
| * This class reimplements the methods that have a different syntax in |
| * SQLite (substr) and contains PHP implementations of functions that are |
| * registered with SQLite with it's PDO::sqliteRegisterFunction() method. |
| * |
| * @package Database |
| * @version //autogentag// |
| */ |
| class ezcQuerySqliteFunctions |
| { |
| /** |
| * Returns the md5 sum of the data that SQLite's md5() function receives. |
| * |
| * @param string $data |
| * @return string |
| */ |
| static public function md5Impl( $data ) |
| { |
| return md5( $data ); |
| } |
| |
| /** |
| * Returns the modules of the data that SQLite's mod() function receives. |
| * |
| * @param numeric $dividend |
| * @param numeric $divisor |
| * @return string |
| */ |
| static public function modImpl( $dividend, $divisor ) |
| { |
| return $dividend % $divisor; |
| } |
| |
| /** |
| * Returns a concattenation of the data that SQLite's concat() function receives. |
| * |
| * @return string |
| */ |
| static public function concatImpl() |
| { |
| $args = func_get_args(); |
| return join( '', $args ); |
| } |
| |
| /** |
| * Returns the SQL to locate the position of the first occurrence of a substring |
| * |
| * @param string $substr |
| * @param string $value |
| * @return integer |
| */ |
| static public function positionImpl( $substr, $value ) |
| { |
| return strpos( $value, $substr ) + 1; |
| } |
| |
| /** |
| * Returns the next lowest integer value from the number |
| * |
| * @param numeric $number |
| * @return integer |
| */ |
| static public function floorImpl( $number ) |
| { |
| return (int) floor( $number ); |
| } |
| |
| /** |
| * Returns the next highest integer value from the number |
| * |
| * @param numeric $number |
| * @return integer |
| */ |
| static public function ceilImpl( $number ) |
| { |
| return (int) ceil( $number ); |
| } |
| |
| /** |
| * Returns the unix timestamp belonging to a date/time spec |
| * |
| * @param string $spec |
| * @return integer |
| */ |
| static public function toUnixTimestampImpl( $spec ) |
| { |
| return strtotime( $spec ); |
| } |
| } |
| ?> |