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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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274 |
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275 | /** |
276 | * Filters the array of term objects returned for the 'post_tag' taxonomy. |
277 | * |
278 | * @since 2.3.0 |
279 | * |
280 | * @param array $tags Array of 'post_tag' term objects. |
281 | * @param array $args An array of arguments. @see get_terms() |
282 | */ |
283 | $tags = apply_filters( 'get_tags', $tags, $args ); |
284 | return $tags; |
285 | } |
286 |
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287 | /** |
288 | * Retrieve post tag by tag ID or tag object. |
289 | * |
290 | * If you pass the $tag parameter an object, which is assumed to be the tag row |
291 | * object retrieved the database. It will cache the tag data. |
292 | * |