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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 |
|---|---|
| 2795 | * @access public |
| 2796 | * @uses do_action_ref_array() Calls 'loop_end' if loop is ended |
| 2797 | * |
| 2798 | * @return bool True if posts are available, false if end of loop. |
| 2799 | */ |
| 2800 | function have_posts() { |
| 2801 | if ( $this->current_post + 1 < $this->post_count ) { |
| 2802 | return true; |
| 2803 | } elseif ( $this->current_post + 1 == $this->post_count && $this->post_count > 0 ) { |
| 2804 | do_action_ref_array('loop_end', array(&$this)); |
| 2805 | // Do some cleaning up after the loop |
| 2806 | $this->rewind_posts(); |
| 2807 | } |
| 2808 | |
| 2809 | $this->in_the_loop = false; |
| 2810 | return false; |
| 2811 | } |
| 2812 | |
| 2813 | /** |