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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 |
|---|---|
| 2587 | * @access public |
| 2588 | * @uses do_action_ref_array() Calls 'loop_end' if loop is ended |
| 2589 | * |
| 2590 | * @return bool True if posts are available, false if end of loop. |
| 2591 | */ |
| 2592 | function have_posts() { |
| 2593 | if ( $this->current_post + 1 < $this->post_count ) { |
| 2594 | return true; |
| 2595 | } elseif ( $this->current_post + 1 == $this->post_count && $this->post_count > 0 ) { |
| 2596 | do_action_ref_array('loop_end', array(&$this)); |
| 2597 | // Do some cleaning up after the loop |
| 2598 | $this->rewind_posts(); |
| 2599 | } |
| 2600 | |
| 2601 | $this->in_the_loop = false; |
| 2602 | return false; |
| 2603 | } |
| 2604 | |
| 2605 | /** |