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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 |
---|---|
61 | * @since 3.0.0 Added taxonomy drop-down. |
62 | * @since 4.9.0 Added the `$instance` parameter. |
63 | * |
64 | * @see wp_tag_cloud() |
65 | * |
66 | * @param array $args Args used for the tag cloud widget. |
67 | * @param array $instance Array of settings for the current widget. |
68 | */ |
69 | $tag_cloud = wp_tag_cloud( |
70 | apply_filters( |
71 | 'widget_tag_cloud_args', |
72 | array( |
73 | 'taxonomy' => $current_taxonomy, |
74 | 'echo' => false, |
75 | 'show_count' => $show_count, |
76 | ), |
77 | $instance |
78 | ) |
79 | ); |