date

Function • Params and return types changed in PHP 8.0

Format a Unix timestamp.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

date Function synopsis

date(string $format, ?int $timestamp = null): string

Parameters

$format

Typestring

Format accepted by DateTimeInterface::format.

$timestamp

OptionalType?intDefault valuenull

Return value

Typestring

Returns a formatted date string.

Changes to the date Function

PHP 8.0

  • Return type added: string
  • Parameter type added for parameter #1 ($format): string
  • Parameter type added for parameter #2 ($timestamp): ?int
  • Parameter default value added for position #2 ($timestamp): null
- date($format, $timestamp)
+ date(string $format, ?int $timestamp = null): string

date Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes