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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 |
|---|---|
| 299 | if ( self::$this_tinymce ) { |
| 300 | |
| 301 | if ( empty( self::$first_init ) ) { |
| 302 | self::$baseurl = includes_url( 'js/tinymce' ); |
| 303 | |
| 304 | $mce_locale = get_locale(); |
| 305 | self::$mce_locale = $mce_locale = empty( $mce_locale ) ? 'en' : strtolower( substr( $mce_locale, 0, 2 ) ); // ISO 639-1 |
| 306 | |
| 307 | /** This filter is documented in wp-admin/includes/media.php */ |
| 308 | $no_captions = (bool) apply_filters( 'disable_captions', '' ); |
| 309 | $first_run = true; |
| 310 | $ext_plugins = ''; |
| 311 | |
| 312 | if ( $set['teeny'] ) { |
| 313 | |
| 314 | /** |
| 315 | * Filter the list of teenyMCE plugins. |
| 316 | * |
| 317 | * @since 2.7.0 |