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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 |
---|---|
377 | do_action( 'load-page.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
378 | } |
379 | } elseif ( $pagenow == 'edit-tags.php' ) { |
380 | if ( $taxnow == 'category' ) { |
381 | do_action( 'load-categories.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
382 | } elseif ( $taxnow == 'link_category' ) { |
383 | do_action( 'load-edit-link-categories.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
384 | } |
385 | } elseif ( 'term.php' === $pagenow ) { |
386 | do_action( 'load-edit-tags.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
387 | } |
388 | } |
389 |
|
390 | if ( ! empty( $_REQUEST['action'] ) ) { |
391 | $action = $_REQUEST['action']; |
392 |
|
393 | /** |
394 | * Fires when an 'action' request variable is sent. |
395 | * |