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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 |
---|---|
2863 | * @access public |
2864 | * @uses do_action_ref_array() Calls 'loop_end' if loop is ended |
2865 | * |
2866 | * @return bool True if posts are available, false if end of loop. |
2867 | */ |
2868 | function have_posts() { |
2869 | if ( $this->current_post + 1 < $this->post_count ) { |
2870 | return true; |
2871 | } elseif ( $this->current_post + 1 == $this->post_count && $this->post_count > 0 ) { |
2872 | do_action_ref_array('loop_end', array(&$this)); |
2873 | // Do some cleaning up after the loop |
2874 | $this->rewind_posts(); |
2875 | } |
2876 |
|
2877 | $this->in_the_loop = false; |
2878 | return false; |
2879 | } |
2880 |
|
2881 | /** |