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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 |
|---|---|
| 276 | /** |
| 277 | * Filters the default editor content. |
| 278 | * |
| 279 | * @since 2.1.0 |
| 280 | * |
| 281 | * @param string $content Default editor content. |
| 282 | * @param string $default_editor The default editor for the current user. |
| 283 | * Either 'html' or 'tinymce'. |
| 284 | */ |
| 285 | $content = apply_filters( 'the_editor_content', $content, $default_editor ); |
| 286 | |
| 287 | // Remove the filter as the next editor on the same page may not need it. |
| 288 | if ( self::$this_tinymce ) { |
| 289 | remove_filter( 'the_editor_content', 'format_for_editor' ); |
| 290 | } |
| 291 | |
| 292 | // Back-compat for the `htmledit_pre` and `richedit_pre` filters. |
| 293 | if ( 'html' === $default_editor && has_filter( 'htmledit_pre' ) ) { |
| 294 | /** This filter is documented in wp-includes/deprecated.php */ |