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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 |
---|---|
938 |
|
939 | if ( 'edit' == $context ) { |
940 | $value = apply_filters("edit_term_$field", $value, $term_id, $taxonomy); |
941 | $value = apply_filters("edit_${taxonomy}_$field", $value, $term_id); |
942 | if ( 'description' == $field ) |
943 | $value = format_to_edit($value); |
944 | else |
945 | $value = attribute_escape($value); |
946 | } else if ( 'db' == $context ) { |
947 | $value = apply_filters("pre_term_$field", $value, $taxonomy); |
948 | $value = apply_filters("pre_${taxonomy}_$field", $value); |
949 | // Back compat filters |
950 | if ( 'slug' == $field ) |
951 | $value = apply_filters('pre_category_nicename', $value); |
952 |
|
953 | } else if ( 'rss' == $context ) { |
954 | $value = apply_filters("term_${field}_rss", $value, $taxonomy); |
955 | $value = apply_filters("${taxonomy}_${field}_rss", $value); |
956 | } else { |