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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 |
---|---|
448 | * Filters the list table bulk actions drop-down. |
449 | * |
450 | * The dynamic portion of the hook name, `$this->screen->id`, refers |
451 | * to the ID of the current screen, usually a string. |
452 | * |
453 | * @since 3.1.0 |
454 | * |
455 | * @param string[] $actions An array of the available bulk actions. |
456 | */ |
457 | $this->_actions = apply_filters( "bulk_actions-{$this->screen->id}", $this->_actions ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
458 |
|
459 | $two = ''; |
460 | } else { |
461 | $two = '2'; |
462 | } |
463 |
|
464 | if ( empty( $this->_actions ) ) { |
465 | return; |
466 | } |