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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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1467 | } |
1468 |
|
1469 | /** |
1470 | * Filters the array of themes allowed on the network. |
1471 | * |
1472 | * @since MU (3.0.0) |
1473 | * |
1474 | * @param string[] $allowed_themes An array of theme stylesheet names. |
1475 | */ |
1476 | $allowed_themes = apply_filters( 'allowed_themes', $allowed_themes ); |
1477 |
|
1478 | return $allowed_themes; |
1479 | } |
1480 |
|
1481 | /** |
1482 | * Returns array of stylesheet names of themes allowed on the site. |
1483 | * |
1484 | * @since 3.4.0 |
1485 | * |