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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 |
---|---|
369 |
|
370 | /** |
371 | * Filter the months dropdown results. |
372 | * |
373 | * @since 3.7.0 |
374 | * |
375 | * @param object $months The months dropdown query results. |
376 | * @param string $post_type The post type. |
377 | */ |
378 | $months = apply_filters( 'months_dropdown_results', $months, $post_type ); |
379 |
|
380 | $month_count = count( $months ); |
381 |
|
382 | if ( !$month_count || ( 1 == $month_count && 0 == $months[0]->month ) ) |
383 | return; |
384 |
|
385 | $m = isset( $_GET['m'] ) ? (int) $_GET['m'] : 0; |
386 | ?> |
387 | <select name='m'> |