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PHP8 PDOStatement 类
2024-03-20 14:00 更新
(PHP 5 >= 5.1.0, PHP 7, PHP 8, PECL pdo >= 1.0.0)
简介
代表一条预处理语句，并在该语句被执行后代表一个相关的结果集。
类摘要
class PDOStatement {
/* 属性 */
public string $queryString;
/* 方法 */
public bindColumn(
string|int $column,
mixed &$var,
int $type = PDO::PARAM_STR,
int $maxLength = 0,
mixed $driverOptions = null
): bool
public bindParam(
string|int $param,
mixed &$var,
int $type = PDO::PARAM_STR,
int $maxLength = 0,
mixed $driverOptions = null
): bool
public bindValue(string|int $param, mixed $value, int $type = PDO::PARAM_STR): bool
public closeCursor(): bool
public columnCount(): int
public debugDumpParams(): ?bool
public errorCode(): ?string
public errorInfo(): array
public execute(?array $params = null): bool
public fetch(int $mode = PDO::FETCH_DEFAULT, int $cursorOrientation = PDO::FETCH_ORI_NEXT, int $cursorOffset = 0): mixed
public fetchAll(int $mode = PDO::FETCH_DEFAULT): array
public fetchAll(int $mode = PDO::FETCH_COLUMN, int $column): array
public fetchAll(int $mode = PDO::FETCH_CLASS, string $class, ?array $constructorArgs): array
public fetchAll(int $mode = PDO::FETCH_FUNC, callable $callback): array
public fetchColumn(int $column = 0): mixed
public fetchObject(?string $class = "stdClass", array $constructorArgs = []): object|false
public getAttribute(int $name): mixed
public getColumnMeta(int $column): array|false
public getIterator(): Iterator
public nextRowset(): bool
public rowCount(): int
public setAttribute(int $attribute, mixed $value): bool
public setFetchMode(int $mode): bool
public setFetchMode(int $mode = PDO::FETCH_COLUMN, int $colno): bool
public setFetchMode(int $mode = PDO::FETCH_CLASS, string $class, ?array $constructorArgs = null): bool
public setFetchMode(int $mode = PDO::FETCH_INTO, object $object): bool
}属性
- queryString
所用的查询字符串
更新日志
| 版本 | 说明 |
|---|---|
| 8.0.0 | 现在 PDOStatement 的实现不是 Traversable 而是 IteratorAggregate。 |
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