public static function create(array $tokens) {
        HashMap::assert($tokens, 'tokens');

        if (empty($tokens['WHERE'])) return '';

        $idAlias = self::alias($tokens);

        return array_reduce($tokens['WHERE'], function($carry, $token) use ($tokens, $idAlias) {
            if ($carry !== null) return (string)Value::create($carry);
            if ($token['expr_type'] === 'colref' && $token['base_expr'] === $idAlias) return $tokens['WHERE'][$carry+2]['base_expr'];
            if (!isset($tokens[$carry+1])) return '';
        }, null);
    }
public static function create(array $tokens) {
        HashMap::assert($tokens, 'tokens');

        if (empty($tokens['WHERE'])) return '';

        $idAlias = self::alias($tokens);

        return array_reduce($tokens['WHERE'], function($carry, $token) use ($tokens, $idAlias) {
            if ($carry !== null) return (string)Value::create($carry);
            if ($token['expr_type'] === 'colref' && $token['base_expr'] === $idAlias) return $tokens['WHERE'][$carry+2]['base_expr'];
            if (!isset($tokens[$carry+1])) return '';
        }, null);
    }
public static function create ( array $ tokens ) { HashMap :: assert ( $ tokens , 'tokens' ) ; if ( empty ( $ tokens [ 'WHERE' ] ) ) return '' ; $ idAlias = self :: alias ( $ tokens ) ; return array_reduce ( $ tokens [ 'WHERE' ] , function ( $ carry , $ token ) use ( $ tokens , $ idAlias ) { if ( $ carry !== null ) return ( string ) Value :: create ( $ carry ) ; if ( $ token [ 'expr_type' ] === 'colref' && $ token [ 'base_expr' ] === $ idAlias ) return $ tokens [ 'WHERE' ] [ $ carry + 2 ] [ 'base_expr' ] ; if ( ! isset ( $ tokens [ $ carry + 1 ] ) ) return '' ; } , null ) ; }
Returns the id in the WHERE clause if exists

@param  array  $tokens
@return string

@SuppressWarnings("PHPMD.StaticAccess")
Returns the id in the WHERE clause if exists