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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 |
---|---|
2281 | * The dynamic portions of the filter name, `$taxonomy`, and $field, refer |
2282 | * to the taxonomy slug and taxonomy field, respectively. |
2283 | * |
2284 | * @since 2.3.0 |
2285 | * |
2286 | * @param mixed $value Value of the taxonomy field. |
2287 | * @param int $term_id Term ID. |
2288 | * @param string $context Context to retrieve the taxonomy field value. |
2289 | */ |
2290 | $value = apply_filters( "{$taxonomy}_{$field}", $value, $term_id, $context ); |
2291 | } |
2292 |
|
2293 | if ( 'attribute' == $context ) |
2294 | $value = esc_attr($value); |
2295 | else if ( 'js' == $context ) |
2296 | $value = esc_js($value); |
2297 |
|
2298 | return $value; |
2299 | } |