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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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302 | /** |
303 | * Filters the array of term objects returned for the 'post_tag' taxonomy. |
304 | * |
305 | * @since 2.3.0 |
306 | * |
307 | * @param WP_Term[]|int|WP_Error $tags Array of 'post_tag' term objects, a count thereof, |
308 | * or WP_Error if any of the taxonomies do not exist. |
309 | * @param array $args An array of arguments. @see get_terms() |
310 | */ |
311 | $tags = apply_filters( 'get_tags', $tags, $args ); |
312 | } |
313 |
|
314 | return $tags; |
315 | } |
316 |
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317 | /** |
318 | * Retrieves a post tag by tag ID or tag object. |
319 | * |
320 | * If you pass the $tag parameter an object, which is assumed to be the tag row |