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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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445 |
|
446 | foreach ( (array) $options as $option ) { |
447 | // "When trying to design a foolproof system, |
448 | // never underestimate the ingenuity of the fools :)" -- Dougal |
449 | if ( in_array( $option->option_name, array( 'siteurl', 'home', 'category_base', 'tag_base' ) ) ) |
450 | $option->option_value = untrailingslashit( $option->option_value ); |
451 | $value = maybe_unserialize( $option->option_value ); |
452 | $all_options->{$option->option_name} = apply_filters( 'pre_option_' . $option->option_name, $value ); |
453 | } |
454 | return apply_filters( 'all_options', $all_options ); |
455 | } |
456 |
|
457 | /** |
458 | * Loads and caches all autoloaded options, if available or all options. |
459 | * |
460 | * This is different from get_alloptions(), in that this function will cache the |
461 | * options and will return the cached options when called again. |
462 | * |
463 | * @since 2.2.0 |