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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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274 | /** |
275 | * Filters the default editor content. |
276 | * |
277 | * @since 2.1.0 |
278 | * |
279 | * @param string $content Default editor content. |
280 | * @param string $default_editor The default editor for the current user. |
281 | * Either 'html' or 'tinymce'. |
282 | */ |
283 | $content = apply_filters( 'the_editor_content', $content, $default_editor ); |
284 |
|
285 | // Remove the filter as the next editor on the same page may not need it. |
286 | if ( self::$this_tinymce ) { |
287 | remove_filter( 'the_editor_content', 'format_for_editor' ); |
288 | } |
289 |
|
290 | // Back-compat for the `htmledit_pre` and `richedit_pre` filters |
291 | if ( 'html' === $default_editor && has_filter( 'htmledit_pre' ) ) { |
292 | /** This filter is documented in wp-includes/deprecated.php */ |