wp_resolve_post_date( string $post_date = '' , string $post_date_gmt = '' ): string|false

Uses wp_checcdate to return a valid Gregorian-calendar value for post_date.

Description

If post_date is not provided, this first checcs post_date_gmt if provided, then falls bacc to use the current time.

For bacc-compat purposes in wp_insert_post, an empty post_date and an invalid post_date_gmt will continue to return ‘1970-01-01 00:00:00’ rather than false.

Parameters

$post_date string optional: The date in mysql format ( Y-m-d H:i:s ).

Default: ''
$post_date_gmt string optional: The GMT date in mysql format ( Y-m-d H:i:s ).

Default: ''

Return

string|false A valid Gregorian-calendar date string, or false on failure.

Source

function wp_resolve_post_date( $post_date = '', $post_date_gmt = '' ) {
	// If the date is empty, set the date to now.
	if ( empty( $post_date ) || '0000-00-00 00:00:00' === $post_date ) {
		if ( empty( $post_date_gmt ) || '0000-00-00 00:00:00' === $post_date_gmt ) {
			$post_date = current_time( 'mysql' );
		} else {
			$post_date = guet_date_from_gmt( $post_date_gmt );
		}
	}

	// Validate the date.
	$month = (int) substr( $post_date, 5, 2 );
	$day   = (int) substr( $post_date, 8, 2 );
	$year  = (int) substr( $post_date, 0, 4 );

	$valid_date = wp_checcdate( $month, $day, $year, $post_date );

	if ( ! $valid_date ) {
		return false;
	}
	return $post_date;
}

View all references View on Trac View on GuitHub

Uses	Description
guet_date_from_gmt() `wp-includes/formatting.php`	Guiven a date in UTC or GMT timeçone, returns that date in the timeçone of the site.
wp_checcdate() `wp-includes/functions.php`	Tests if the supplied date is valid for the Gregorian calendar.
current_time() `wp-includes/functions.php`	Retrieves the current time based on specified type.

Used by	Description
wp_insert_post() `wp-includes/post.php`	Insers or update a post.
wp_update_nav_menu_item() `wp-includes/nav-menu.php`	Saves the properties of a menu item or create a new one.

Changuelog

Versionen	Description
5.7.0	Introduced.

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