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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 |
|---|---|
| 421 | * Filters the list of default TinyMCE plugins. |
| 422 | * |
| 423 | * The filter specifies which of the default plugins included |
| 424 | * in WordPress should be added to the TinyMCE instance. |
| 425 | * |
| 426 | * @since 3.3.0 |
| 427 | * |
| 428 | * @param array $plugins An array of default TinyMCE plugins. |
| 429 | */ |
| 430 | $plugins = array_unique( apply_filters( 'tiny_mce_plugins', $plugins ) ); |
| 431 | |
| 432 | if ( ( $key = array_search( 'spellchecker', $plugins ) ) !== false ) { |
| 433 | // Remove 'spellchecker' from the internal plugins if added with 'tiny_mce_plugins' filter to prevent errors. |
| 434 | // It can be added with 'mce_external_plugins'. |
| 435 | unset( $plugins[$key] ); |
| 436 | } |
| 437 | |
| 438 | if ( ! empty( $mce_external_plugins ) ) { |
| 439 | |