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<?php
declare(strict_types = 1);
namespace Puzzle\QueryBuilder\Queries\Snippets;
use Puzzle\QueryBuilder\Snippet;
use Puzzle\Pieces\StringManipulation;
class Limit implements Snippet
{
use StringManipulation;
private
$limit;
$limit
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.
/**
* @param int|string $limit
*/
public function __construct($limit)
$this->limit = $this->convertToInteger($limit);
}
public function toString(): string
if(is_null($this->limit))
return '';
return sprintf(
'LIMIT %d',
$this->limit
);
private function convertToInteger($value): ?int
if($this->isConvertibleToString($value) === false)
throw new \InvalidArgumentException("Limit argument must be an integer or an integer wrapped into a string");
if(preg_match('~^[\d]+$~', (string) $value))
return (int) $value;
return null;
puzzle-org /
query-builder
The PSR-2 coding standard requires that all properties in a class have their visibility explicitly declared. If you declare a property using
the property is implicitly global.
To learn more about the PSR-2, please see the PHP-FIG site on the PSR-2.