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<?php |
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/** |
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* Author: Nil Portugués Calderó <[email protected]> |
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* Date: 6/3/14 |
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* Time: 12:07 AM. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace NilPortugues\Sql\QueryBuilder\Manipulation; |
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use NilPortugues\Sql\QueryBuilder\Syntax\OrderBy; |
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use NilPortugues\Sql\QueryBuilder\Syntax\QueryPartInterface; |
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use NilPortugues\Sql\QueryBuilder\Syntax\SyntaxFactory; |
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use NilPortugues\Sql\QueryBuilder\Syntax\Table; |
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use NilPortugues\Sql\QueryBuilder\Syntax\Where; |
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// Builder injects itself into query for convestion to SQL string. |
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use NilPortugues\Sql\QueryBuilder\Builder\BuilderInterface; |
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/** |
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* Class AbstractBaseQuery. |
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*/ |
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abstract class AbstractBaseQuery implements QueryInterface, QueryPartInterface |
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{ |
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/** |
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* @var string |
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*/ |
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protected $comment = ''; |
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/** |
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* @var \NilPortugues\Sql\QueryBuilder\Builder\BuilderInterface |
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*/ |
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private $builder; |
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/** |
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* @var string |
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*/ |
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protected $table; |
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/** |
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* @var string |
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*/ |
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protected $whereOperator = 'AND'; |
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/** |
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* @var Where |
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*/ |
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protected $where; |
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/** |
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* @var array |
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*/ |
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protected $joins = []; |
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/** |
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* @var int |
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*/ |
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protected $limitStart; |
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/** |
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* @var int |
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*/ |
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protected $limitCount; |
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/** |
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* @var array |
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*/ |
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protected $orderBy = []; |
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/** |
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* @return Where |
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*/ |
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protected function filter() |
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{ |
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if (!isset($this->where)) { |
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$this->where = QueryFactory::createWhere($this); |
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} |
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return $this->where; |
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} |
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/** |
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* Stores the builder that created this query. |
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* |
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* @param BuilderInterface $builder |
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* |
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* @return $this |
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*/ |
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final public function setBuilder(BuilderInterface $builder) |
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{ |
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$this->builder = $builder; |
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return $this; |
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} |
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/** |
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* @return BuilderInterface |
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* |
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* @throws \RuntimeException when builder has not been injected |
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*/ |
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final public function getBuilder() |
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{ |
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if (!$this->builder) { |
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throw new \RuntimeException('Query builder has not been injected with setBuilder'); |
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} |
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return $this->builder; |
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} |
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/** |
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* Converts this query into an SQL string by using the injected builder. |
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* |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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try { |
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return $this->getSql(); |
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} catch (\Exception $e) { |
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return \sprintf('[%s] %s', \get_class($e), $e->getMessage()); |
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} |
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} |
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/** |
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* Converts this query into an SQL string by using the injected builder. |
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* Optionally can return the SQL with formatted structure. |
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* |
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* @param bool $formatted |
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* |
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* @return string |
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*/ |
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public function getSql($formatted = false) |
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{ |
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if ($formatted) { |
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return $this->getBuilder()->writeFormatted($this); |
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} |
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return $this->getBuilder()->write($this); |
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} |
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/** |
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* @return string |
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*/ |
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abstract public function partName(); |
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/** |
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* @return Where |
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*/ |
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public function getWhere() |
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{ |
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return $this->where; |
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} |
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/** |
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* @return Table |
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*/ |
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public function getTable() |
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{ |
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$newTable = array($this->table); |
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return \is_null($this->table) ? null : SyntaxFactory::createTable($newTable); |
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} |
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/** |
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* @param string $table |
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* |
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* @return $this |
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*/ |
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public function setTable($table) |
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{ |
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$this->table = (string) $table; |
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return $this; |
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} |
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/** |
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* @param string $whereOperator |
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* |
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* @return Where |
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*/ |
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public function where($whereOperator = 'AND') |
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{ |
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if (!isset($this->where)) { |
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$this->where = $this->filter(); |
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} |
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$this->where->conjunction($whereOperator); |
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return $this->where; |
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} |
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/** |
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* @return string |
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*/ |
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public function getWhereOperator() |
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{ |
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if (!isset($this->where)) { |
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$this->where = $this->filter(); |
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} |
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return $this->where->getConjunction(); |
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} |
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/** |
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* @param string $column |
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* @param string $direction |
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* @param null $table |
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* |
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* @return $this |
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*/ |
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public function orderBy($column, $direction = OrderBy::ASC, $table = null) |
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{ |
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$newColumn = array($column); |
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$column = SyntaxFactory::createColumn($newColumn, \is_null($table) ? $this->getTable() : $table); |
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$this->orderBy[] = new OrderBy($column, $direction); |
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return $this; |
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} |
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/** |
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* @return int |
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*/ |
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public function getLimitCount() |
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{ |
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return $this->limitCount; |
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} |
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/** |
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* @return int |
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*/ |
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public function getLimitStart() |
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{ |
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return $this->limitStart; |
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} |
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/** |
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* @param string $comment |
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* |
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* @return $this |
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*/ |
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public function setComment($comment) |
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{ |
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// Make each line of the comment prefixed with "--", |
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// and remove any trailing whitespace. |
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$comment = '-- '.str_replace("\n", "\n-- ", \rtrim($comment)); |
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// Trim off any trailing "-- ", to ensure that the comment is valid. |
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$this->comment = \rtrim($comment, '- '); |
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if ($this->comment) { |
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$this->comment .= "\n"; |
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} |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getComment() |
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{ |
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return $this->comment; |
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} |
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} |
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