for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
declare(strict_types=1);
namespace MartinGeorgiev\Doctrine\ORM\Query\AST\Functions;
use Doctrine\ORM\Query\AST\Node;
use MartinGeorgiev\Doctrine\ORM\Query\AST\Functions\Exception\InvalidArgumentForVariadicFunctionException;
/**
* Implementation of PostgreSQL REGEXP_SUBSTR().
*
* Returns the substring within string that matches the Nth occurrence of the POSIX regular expression pattern,
* or NULL if there is no such match.
* @see https://www.postgresql.org/docs/15/functions-matching.html#FUNCTIONS-POSIX-REGEXP
* @since 3.1
* @author Martin Georgiev <[email protected]>
* @example Using it in DQL: "SELECT REGEXP_SUBSTR(e.text, 'c(.)(..)', 1, 1, 'i') FROM Entity e"
*/
class RegexpSubstr extends BaseVariadicFunction
{
protected function customizeFunction(): void
$this->setFunctionPrototype('regexp_substr(%s)');
}
protected function validateArguments(Node ...$arguments): void
$argumentCount = \count($arguments);
if ($argumentCount < 2 || $argumentCount > 5) {
throw InvalidArgumentForVariadicFunctionException::between('regexp_substr', 2, 5);
martin-georgiev /
postgresql-for-doctrine
