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<?php
declare(strict_types = 1);
namespace Puzzle\QueryBuilder\Queries\Snippets;
use Puzzle\QueryBuilder\Snippet;
class On implements Snippet
{
private
$leftColumn,
Only declaring a single property per statement allows you to later on add doc comments more easily.
It is also recommended by PSR2, so it is a common style that many people expect.
$leftColumn
The PSR-2 coding standard requires that all properties in a class have their visibility explicitly declared. If you declare a property using
class A { var $property; }
the property is implicitly global.
To learn more about the PSR-2, please see the PHP-FIG site on the PSR-2.
$rightColumn;
public function __construct(?string $leftColumn, ?string $rightColumn)
$this->leftColumn = (string) $leftColumn;
$this->rightColumn = (string) $rightColumn;
}
public function toString(): string
if(empty($this->leftColumn) || empty($this->rightColumn))
return '';
return sprintf(
'ON %s = %s',
$this->leftColumn,
$this->rightColumn
);
puzzle-org /
query-builder
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Only declaring a single property per statement allows you to later on add doc comments more easily.
It is also recommended by PSR2, so it is a common style that many people expect.