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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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130 | $permalink_structure = get_option('permalink_structure'); |
131 |
|
132 | if ( '' == $permalink_structure ) { |
133 | $link = get_option('home') . '?feed=rss2&cat=' . $cat_ID; |
134 | } else { |
135 | $link = get_category_link($cat_ID); |
136 | $link = $link . "feed/"; |
137 | } |
138 |
|
139 | $link = apply_filters('category_feed_link', $link); |
140 |
|
141 | if ( $echo ) |
142 | echo $link; |
143 | return $link; |
144 | } |
145 |
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146 |
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147 | function get_the_category_rss($type = 'rss') { |
148 | $categories = get_the_category(); |