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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 |
|---|---|
| 135 | * |
| 136 | * @type string $href The href attribute. |
| 137 | * @type string $title The title attribute. |
| 138 | * } |
| 139 | * @param WP_Term $category Term data object. |
| 140 | * @param int $depth Depth of category, used for padding. |
| 141 | * @param array $args An array of arguments. |
| 142 | * @param int $current_object_id ID of the current category. |
| 143 | */ |
| 144 | $atts = apply_filters( 'category_list_link_attributes', $atts, $category, $depth, $args, $current_object_id ); |
| 145 | |
| 146 | $attributes = ''; |
| 147 | foreach ( $atts as $attr => $value ) { |
| 148 | if ( is_scalar( $value ) && '' !== $value && false !== $value ) { |
| 149 | $value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value ); |
| 150 | $attributes .= ' ' . $attr . '="' . $value . '"'; |
| 151 | } |
| 152 | } |
| 153 | |