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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 |
---|---|
1255 | * |
1256 | * Site is provided as context so that a list of network allowed themes can |
1257 | * be filtered further. |
1258 | * |
1259 | * @since 4.5.0 |
1260 | * |
1261 | * @param array $allowed_themes An array of theme stylesheet names. |
1262 | * @param int $blog_id ID of the site. |
1263 | */ |
1264 | $network = (array) apply_filters( 'network_allowed_themes', self::get_allowed_on_network(), $blog_id ); |
1265 | return $network + self::get_allowed_on_site( $blog_id ); |
1266 | } |
1267 |
|
1268 | /** |
1269 | * Returns array of stylesheet names of themes allowed on the network. |
1270 | * |
1271 | * @since 3.4.0 |
1272 | * |
1273 | * @static |