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The best way to understand what a hook does is to look at where it occurs in the source code.
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 |
|---|---|
| 536 | if ( false !== $key ) { |
| 537 | $do_blog = true; |
| 538 | array_splice( $current, $key, 1 ); |
| 539 | } |
| 540 | } |
| 541 | |
| 542 | //Used by Plugin updater to internally deactivate plugin, however, not to notify plugins of the fact to prevent plugin output. |
| 543 | if ( ! $silent ) { |
| 544 | do_action( 'deactivate_' . trim( $plugin ) ); |
| 545 | do_action( 'deactivated_plugin', trim( $plugin ) ); |
| 546 | } |
| 547 | } |
| 548 | |
| 549 | if ( $do_blog ) |
| 550 | update_option('active_plugins', $current); |
| 551 | if ( $do_network ) |
| 552 | update_site_option( 'active_sitewide_plugins', $network_current ); |
| 553 | } |
| 554 | |