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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 |
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382 |
|
383 | /** |
384 | * Filter the 'Months' drop-down results. |
385 | * |
386 | * @since 3.7.0 |
387 | * |
388 | * @param object $months The months drop-down query results. |
389 | * @param string $post_type The post type. |
390 | */ |
391 | $months = apply_filters( 'months_dropdown_results', $months, $post_type ); |
392 |
|
393 | $month_count = count( $months ); |
394 |
|
395 | if ( !$month_count || ( 1 == $month_count && 0 == $months[0]->month ) ) |
396 | return; |
397 |
|
398 | $m = isset( $_GET['m'] ) ? (int) $_GET['m'] : 0; |
399 | ?> |
400 | <select name='m'> |