Gets the microsecond part of the Unix timestamp

# DateTimeInterface::getMicrosecond

# DateTimeImmutable::getMicrosecond

# DateTime::getMicrosecond

(PHP 8 >= 8.4.0)

DateTimeInterface::getMicrosecond -- DateTimeImmutable::getMicrosecond -- DateTime::getMicrosecond — Gets the microsecond part of the Unix timestamp

### 说明

public function DateTimeInterface::getMicrosecond(): int
public function DateTimeImmutable::getMicrosecond(): int
public function DateTime::getMicrosecond(): int

Gets the microsecond part of the Unix timestamp.

### 参数

此函数没有参数。

### 返回值

Returns the microsecond part of the Unix timestamp representing the date.

### 示例

示例 #1 DateTimeInterface::getMicrosecond() example

    <?php
    $date = new DateTimeImmutable('2024-01-01 12:34:56.789123');
    var_dump($date->format('u'));
    var_dump($date->getMicrosecond());
    ?>

以上示例会输出：

    string(6) "789123"
    int(789123)

### 参见

- DateTimeInterface::getTimestamp() - 获取 Unix 时间戳
- DateTimeInterface::format() - 按照指定格式返回格式化后的日期

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