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do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 1374 | * @since 2.9.0 As 'pre_add_site_option_' . $key |
| 1375 | * @since 3.0.0 |
| 1376 | * @since 4.4.0 The `$option` parameter was added. |
| 1377 | * @since 4.7.0 The `$network_id` parameter was added. |
| 1378 | * |
| 1379 | * @param mixed $value Value of network option. |
| 1380 | * @param string $option Option name. |
| 1381 | * @param int $network_id ID of the network. |
| 1382 | */ |
| 1383 | $value = apply_filters( "pre_add_site_option_{$option}", $value, $option, $network_id ); |
| 1384 | |
| 1385 | $notoptions_key = "$network_id:notoptions"; |
| 1386 | |
| 1387 | if ( ! is_multisite() ) { |
| 1388 | $result = add_option( $option, $value, '', 'no' ); |
| 1389 | } else { |
| 1390 | $cache_key = "$network_id:$option"; |
| 1391 | |
| 1392 | // Make sure the option doesn't already exist. |