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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 3292 | |
| 3293 | if ( -1 == $this->current_post ) { // Loop has just started. |
| 3294 | /** |
| 3295 | * Fires once the loop is started. |
| 3296 | * |
| 3297 | * @since 2.0.0 |
| 3298 | * |
| 3299 | * @param WP_Query $this The WP_Query instance (passed by reference). |
| 3300 | */ |
| 3301 | do_action_ref_array( 'loop_start', array( &$this ) ); |
| 3302 | } |
| 3303 | |
| 3304 | $post = $this->next_post(); |
| 3305 | $this->setup_postdata( $post ); |
| 3306 | } |
| 3307 | |
| 3308 | /** |
| 3309 | * Determines whether there are more posts available in the loop. |
| 3310 | * |