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update_site_meta › WordPress Function

Da5.1.0
Deprecaton/a
› update_site_meta ( $site_id, $meta_key, $meta_value, $prev_value = '' )
Parametri: (4)
  • (int) $site_id Site ID.
    Richiesto: Sì
  • (string) $meta_key Metadata key.
    Richiesto: Sì
  • (mixed) $meta_value Metadata value. Must be serializable if non-scalar.
    Richiesto: Sì
  • (mixed) $prev_value Optional. Previous value to check before updating. If specified, only update existing metadata entries with this value. Otherwise, update all entries. Default empty.
    Richiesto: No
    Default: (vuoto)
Ritorna:
  • (int|bool) Meta ID if the key didn't exist, true on successful update, false on failure or if the value passed to the function is the same as the one that is already in the database.
Definito a:
Codex:

Updates metadata for a site.

Use the $prev_value parameter to differentiate between meta fields with the same key and site ID. If the meta field for the site does not exist, it will be added.


Funzioni correlate: update_user_meta, update_term_meta, update_post_meta, update_usermeta, populate_site_meta

Sorgenti 

function update_site_meta( $site_id, $meta_key, $meta_value, $prev_value = '' ) {
	return update_metadata( 'blog', $site_id, $meta_key, $meta_value, $prev_value );
}