Convert php numeric timestamp to date and time

PHP Convert numeric timestamp to date and time: Use the date() function to convert a timestamp to a date and time in a specific format. Use the gmdate() function to convert a timestamp to a date and time in Greenwich Mean Time (GMT) format. Additional format specifiers are supported, such as d (date), m (month), Y (year), H (hour), i (minute), and s (second).

Convert PHP numeric timestamp to date and time

In PHP, a numeric timestamp represents the UTC epoch (1970 The number of seconds since midnight on January 1, year). To convert a numeric timestamp to a date and time, you can use the following function:

date()

Syntax:

date(format, timestamp)

Where:

• format: Specifies the format of the date and time
• timestamp: The timestamp to be converted

Example:

$timestamp = 1653433200;
$date = date('Y-m-d H:i:s', $timestamp);
echo $date; // 输出：2022-05-25 12:00:00

gmdate()

Syntax:

gmdate(format, timestamp)

The gmdate() function is similar to the date() function, but it uses Greenwich Mean Time (GMT) instead of local time.

Example:

$timestamp = 1653433200;
$date = gmdate('Y-m-d H:i:s', $timestamp);
echo $date; // 输出：2022-05-25 07:00:00

Demo Example

Suppose we have a database field that stores a timestamp. To get the date and time from this field we can use the following code:

$timestamp = $row['timestamp'];
$date = date('Y-m-d H:i:s', $timestamp);
echo $date; // 输出：日期和时间

Other format specifiers

In addition to the above formats, the date() function also supports Other format specifiers, including:

• d: Day of the month (01 to 31)
• m: Month ( 01 to 12)
• Y: Year (for example, 2022)
• H: Hour in 24-hour format (00 to 23)
• i: minutes (00 to 59)
• s: seconds (00 to 59)

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