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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 |
|---|---|
| 913 | } |
| 914 | |
| 915 | /** |
| 916 | * Filters the data used to generate the tag cloud. |
| 917 | * |
| 918 | * @since 4.3.0 |
| 919 | * |
| 920 | * @param array $tags_data An array of term data for term used to generate the tag cloud. |
| 921 | */ |
| 922 | $tags_data = apply_filters( 'wp_generate_tag_cloud_data', $tags_data ); |
| 923 | |
| 924 | $a = array(); |
| 925 | |
| 926 | // Generate the output links array. |
| 927 | foreach ( $tags_data as $key => $tag_data ) { |
| 928 | $class = $tag_data['class'] . ' tag-link-position-' . ( $key + 1 ); |
| 929 | $a[] = sprintf( |
| 930 | '<a href="%1$s"%2$s class="%3$s" style="font-size: %4$s;"%5$s>%6$s%7$s</a>', |
| 931 | esc_url( $tag_data['url'] ), |