ph_webdschg PowerHome formula function
Description
Generates a JSON string containing all
Device Status changes that occurred after the
specified timestamp
Syntax
ph_webdschg ( dt_timestamp )
| Argument | Description |
| dt_timestamp | Datetime. The reference datetime from which
all Device Status changes will be included in the JSON output |
Return value
String. Returns a JSON string
containing all Device Status changes that occurred after the datetime in
the dt_timestamp parameter
Usage
This function is used by the web based
Device Status screen to update status changes periodically after they occur
using AJAX. Typically would not be call by a user but included for
those who may want to write their own
status screens
Examples
The following examples demonstrate typical syntax/usage for this function.
• ph_webdschg(datetime(date("2020-05-17"),time("17:00:00")))
- Returns JSON data containing all Device Status changes that have occurred
since May 17th, 2020 at 5:00
pm