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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 |
---|---|
1209 | * |
1210 | * Site is provided as context so that a list of network allowed themes can |
1211 | * be filtered further. |
1212 | * |
1213 | * @since 4.5.0 |
1214 | * |
1215 | * @param array $allowed_themes An array of theme stylesheet names. |
1216 | * @param int $blog_id ID of the site. |
1217 | */ |
1218 | $network = (array) apply_filters( 'network_allowed_themes', self::get_allowed_on_network(), $blog_id ); |
1219 | return $network + self::get_allowed_on_site( $blog_id ); |
1220 | } |
1221 |
|
1222 | /** |
1223 | * Returns array of stylesheet names of themes allowed on the network. |
1224 | * |
1225 | * @since 3.4.0 |
1226 | * |
1227 | * @static |