Core Function
View Source on Trac ↗ get_site_meta()
get_site_meta( mixed $site_id, mixed $key = '', mixed $single = false ) Retrieves metadata for a site.
Parameters 3 required
| Name / Type | Description |
|---|---|
| $site_id int | Site ID. Required |
| string | $key Optional. The meta key to retrieve. By default, returns data for all keys. Default empty. Required |
| bool | $single Optional. Whether to return a single value. This parameter has no effect if `$key` is not specified. Default false. Required |
Return Value
(mixed)
mixed An array of values if `$single` is false.
The value of meta data field if `$single` is true.
False for an invalid `$site_id` (non-numeric, zero, or negative value).
An empty array if a valid but non-existing site ID is passed and `$single` is false.
An empty string if a valid but non-existing site ID is passed and `$single` is true.
Note: Non-serialized values are returned as strings:
- false values are returned as empty strings ('')
- true values are returned as '1'
- numbers (both integer and float) are returned as strings
Arrays and objects retain their original type.
Function Information
Since Version
5.1.0
Source File
wp-includes/ms-site.php
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