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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 |
|---|---|
| 724 | |
| 725 | if ( $this->current_post == 0 ) // loop has just started |
| 726 | do_action('loop_start'); |
| 727 | } |
| 728 | |
| 729 | function have_posts() { |
| 730 | if ($this->current_post + 1 < $this->post_count) { |
| 731 | return true; |
| 732 | } elseif ($this->current_post + 1 == $this->post_count) { |
| 733 | do_action('loop_end'); |
| 734 | // Do some cleaning up after the loop |
| 735 | $this->rewind_posts(); |
| 736 | } |
| 737 | |
| 738 | $this->in_the_loop = false; |
| 739 | return false; |
| 740 | } |
| 741 | |
| 742 | function rewind_posts() { |