AbstractSpecifics.php

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<?php
namespace TYPO3\CMS\Dbal\Database\Specifics;

abstract class AbstractSpecifics {
    const TABLE_MAXLENGTH = 'table_maxlength';
    const FIELD_MAXLENGTH = 'field_maxlength';
    const LIST_MAXEXPRESSIONS = 'list_maxexpressions';
    const CAST_FIND_IN_SET = 'cast_find_in_set';

    protected $specificProperties = array();

    public function specificExists($specific) {
        return isset($this->specificProperties[$specific]);
    }

    public function getSpecific($specific) {
        return $this->specificProperties[$specific];
    }

    public function splitMaxExpressions($expressionList, $preserveArrayKeys = FALSE) {
        if (!$this->specificExists(self::LIST_MAXEXPRESSIONS)) {
            return array($expressionList);
        }

        return array_chunk($expressionList, $this->getSpecific(self::LIST_MAXEXPRESSIONS), $preserveArrayKeys);
    }
}