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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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381 | } |
382 |
|
383 | /** |
384 | * Filters the array of parsed query variables. |
385 | * |
386 | * @since 2.1.0 |
387 | * |
388 | * @param array $query_vars The array of requested query variables. |
389 | */ |
390 | $this->query_vars = apply_filters( 'request', $this->query_vars ); |
391 |
|
392 | /** |
393 | * Fires once all query variables for the current request have been parsed. |
394 | * |
395 | * @since 2.1.0 |
396 | * |
397 | * @param WP $wp Current WordPress environment instance (passed by reference). |
398 | */ |
399 | do_action_ref_array( 'parse_request', array( &$this ) ); |