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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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535 | } |
536 |
|
537 | /** |
538 | * Filter the comma-delimited list of stylesheets to load in TinyMCE. |
539 | * |
540 | * @since 2.1.0 |
541 | * |
542 | * @param array $stylesheets Comma-delimited list of stylesheets. |
543 | */ |
544 | $mce_css = trim( apply_filters( 'mce_css', implode( ',', $mce_css ) ), ' ,' ); |
545 |
|
546 | if ( ! empty($mce_css) ) |
547 | self::$first_init['content_css'] = $mce_css; |
548 | } |
549 |
|
550 | if ( $set['teeny'] ) { |
551 |
|
552 | /** |
553 | * Filter the list of teenyMCE buttons (Text tab). |