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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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1313 | } |
1314 |
|
1315 | /** |
1316 | * Filters the array of themes allowed on the network. |
1317 | * |
1318 | * @since MU |
1319 | * |
1320 | * @param array $allowed_themes An array of theme stylesheet names. |
1321 | */ |
1322 | $allowed_themes = apply_filters( 'allowed_themes', $allowed_themes ); |
1323 |
|
1324 | return $allowed_themes; |
1325 | } |
1326 |
|
1327 | /** |
1328 | * Returns array of stylesheet names of themes allowed on the site. |
1329 | * |
1330 | * @since 3.4.0 |
1331 | * |