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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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543 | * @param string|array $query_args Passed to {@link parse_request()} |
544 | */ |
545 | function main($query_args = '') { |
546 | $this->init(); |
547 | $this->parse_request($query_args); |
548 | $this->send_headers(); |
549 | $this->query_posts(); |
550 | $this->handle_404(); |
551 | $this->register_globals(); |
552 | do_action_ref_array('wp', array(&$this)); |
553 | } |
554 |
|
555 | } |
556 |
|
557 | /** |
558 | * Helper class to remove the need to use eval to replace $matches[] in query strings. |
559 | * |
560 | * @since 2.9.0 |
561 | */ |