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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 |
|---|---|
| 374 | * Filter the list of default TinyMCE plugins. |
| 375 | * |
| 376 | * The filter specifies which of the default plugins included |
| 377 | * in WordPress should be added to the TinyMCE instance. |
| 378 | * |
| 379 | * @since 3.3.0 |
| 380 | * |
| 381 | * @param array $plugins An array of default TinyMCE plugins. |
| 382 | */ |
| 383 | $plugins = array_unique( apply_filters( 'tiny_mce_plugins', $plugins ) ); |
| 384 | |
| 385 | if ( ( $key = array_search( 'spellchecker', $plugins ) ) !== false ) { |
| 386 | // Remove 'spellchecker' from the internal plugins if added with 'tiny_mce_plugins' filter to prevent errors. |
| 387 | // It can be added with 'mce_external_plugins'. |
| 388 | unset( $plugins[$key] ); |
| 389 | } |
| 390 | |
| 391 | if ( ! empty( $mce_external_plugins ) ) { |
| 392 | |