medoo::data_implode PHP Method

    protected function data_implode($data, $conjunctor, $outer_conjunctor = null)
    {
        $wheres = array();
        foreach ($data as $key => $value) {
            $type = gettype($value);
            if (preg_match("/^(AND|OR)(\\s+#.*)?\$/i", $key, $relation_match) && $type == 'array') {
                $wheres[] = 0 !== count(array_diff_key($value, array_keys(array_keys($value)))) ? '(' . $this->data_implode($value, ' ' . $relation_match[1]) . ')' : '(' . $this->inner_conjunct($value, ' ' . $relation_match[1], $conjunctor) . ')';
            } else {
                preg_match('/(#?)([\\w\\.]+)(\\[(\\>|\\>\\=|\\<|\\<\\=|\\!|\\<\\>|\\>\\<|\\!?~)\\])?/i', $key, $match);
                $column = $this->column_quote($match[2]);
                if (isset($match[4])) {
                    $operator = $match[4];
                    if ($operator == '!') {
                        switch ($type) {
                            case 'NULL':
                                $wheres[] = $column . ' IS NOT NULL';
                                break;
                            case 'array':
                                $wheres[] = $column . ' NOT IN (' . $this->array_quote($value) . ')';
                                break;
                            case 'integer':
                            case 'double':
                                $wheres[] = $column . ' != ' . $value;
                                break;
                            case 'boolean':
                                $wheres[] = $column . ' != ' . ($value ? '1' : '0');
                                break;
                            case 'string':
                                $wheres[] = $column . ' != ' . $this->fn_quote($key, $value);
                                break;
                        }
                    }
                    if ($operator == '<>' || $operator == '><') {
                        if ($type == 'array') {
                            if ($operator == '><') {
                                $column .= ' NOT';
                            }
                            if (is_numeric($value[0]) && is_numeric($value[1])) {
                                $wheres[] = '(' . $column . ' BETWEEN ' . $value[0] . ' AND ' . $value[1] . ')';
                            } else {
                                $wheres[] = '(' . $column . ' BETWEEN ' . $this->quote($value[0]) . ' AND ' . $this->quote($value[1]) . ')';
                            }
                        }
                    }
                    if ($operator == '~' || $operator == '!~') {
                        if ($type == 'string') {
                            $value = array($value);
                        }
                        if (!empty($value)) {
                            $like_clauses = array();
                            foreach ($value as $item) {
                                if ($operator == '!~') {
                                    $column .= ' NOT';
                                }
                                if (preg_match('/^(?!%).+(?<!%)$/', $item)) {
                                    $item = '%' . $item . '%';
                                }
                                $like_clauses[] = $column . ' LIKE ' . $this->fn_quote($key, $item);
                            }
                            $wheres[] = implode(' OR ', $like_clauses);
                        }
                    }
                    if (in_array($operator, array('>', '>=', '<', '<='))) {
                        if (is_numeric($value)) {
                            $wheres[] = $column . ' ' . $operator . ' ' . $value;
                        } elseif (strpos($key, '#') === 0) {
                            $wheres[] = $column . ' ' . $operator . ' ' . $this->fn_quote($key, $value);
                        } else {
                            $wheres[] = $column . ' ' . $operator . ' ' . $this->quote($value);
                        }
                    }
                } else {
                    switch ($type) {
                        case 'NULL':
                            $wheres[] = $column . ' IS NULL';
                            break;
                        case 'array':
                            $wheres[] = $column . ' IN (' . $this->array_quote($value) . ')';
                            break;
                        case 'integer':
                        case 'double':
                            $wheres[] = $column . ' = ' . $value;
                            break;
                        case 'boolean':
                            $wheres[] = $column . ' = ' . ($value ? '1' : '0');
                            break;
                        case 'string':
                            $wheres[] = $column . ' = ' . $this->fn_quote($key, $value);
                            break;
                    }
                }
            }
        }
        return implode($conjunctor . ' ', $wheres);
    }