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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 |
|---|---|
| 1948 | * Filter the taxonomy field for use in RSS. |
| 1949 | * |
| 1950 | * The dynamic portions of the hook name, `$taxonomy`, and `$field`, refer |
| 1951 | * to the taxonomy slug and field name, respectively. |
| 1952 | * |
| 1953 | * @since 2.3.0 |
| 1954 | * |
| 1955 | * @param mixed $value Value of the taxonomy field. |
| 1956 | */ |
| 1957 | $value = apply_filters( "{$taxonomy}_{$field}_rss", $value ); |
| 1958 | } else { |
| 1959 | // Use display filters by default. |
| 1960 | |
| 1961 | /** |
| 1962 | * Filter the term field sanitized for display. |
| 1963 | * |
| 1964 | * The dynamic portion of the filter name, `$field`, refers to the term field name. |
| 1965 | * |
| 1966 | * @since 2.3.0 |