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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 |
---|---|
274 | * Display the bulk actions dropdown. |
275 | * |
276 | * @since 3.1.0 |
277 | * @access public |
278 | */ |
279 | function bulk_actions() { |
280 | if ( is_null( $this->_actions ) ) { |
281 | $no_new_actions = $this->_actions = $this->get_bulk_actions(); |
282 | // This filter can currently only be used to remove actions. |
283 | $this->_actions = apply_filters( 'bulk_actions-' . $this->screen->id, $this->_actions ); |
284 | $this->_actions = array_intersect_assoc( $this->_actions, $no_new_actions ); |
285 | $two = ''; |
286 | } else { |
287 | $two = '2'; |
288 | } |
289 |
|
290 | if ( empty( $this->_actions ) ) |
291 | return; |
292 |
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