IdentifierChecker.php

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<?php

 
namespace Depage\XmlDb\Helpers;
 
use Depage\XmlDb\Exceptions\XmlDbException;

trait IdentifierChecker
{
    protected function checkIdentifier(string $name, string $kind = 'column'): string
    {
        if (!preg_match('/^[A-Za-z_][A-Za-z0-9_]*$/', $name)) {
            throw new XmlDbException("Can not use \"$name\" as a $kind name.");
        }
 
        return $name;
    }
}
 
/* vim:set ft=php sw=4 sts=4 fdm=marker et : */