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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 |
|---|---|
| 1048 | |
| 1049 | if ( $this->current_post == 0 ) // loop has just started |
| 1050 | do_action('loop_start'); |
| 1051 | } |
| 1052 | |
| 1053 | function have_posts() { |
| 1054 | if ($this->current_post + 1 < $this->post_count) { |
| 1055 | return true; |
| 1056 | } elseif ($this->current_post + 1 == $this->post_count) { |
| 1057 | do_action('loop_end'); |
| 1058 | // Do some cleaning up after the loop |
| 1059 | $this->rewind_posts(); |
| 1060 | } |
| 1061 | |
| 1062 | $this->in_the_loop = false; |
| 1063 | return false; |
| 1064 | } |
| 1065 | |
| 1066 | function rewind_posts() { |