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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 |
|---|---|
| 3696 | /** |
| 3697 | * Filters the text after it is formatted for the editor. |
| 3698 | * |
| 3699 | * @since 4.3.0 |
| 3700 | * |
| 3701 | * @param string $text The formatted text. |
| 3702 | * @param string $default_editor The default editor for the current user. |
| 3703 | * It is usually either 'html' or 'tinymce'. |
| 3704 | */ |
| 3705 | return apply_filters( 'format_for_editor', $text, $default_editor ); |
| 3706 | } |
| 3707 | |
| 3708 | /** |
| 3709 | * Perform a deep string replace operation to ensure the values in $search are no longer present |
| 3710 | * |
| 3711 | * Repeats the replacement operation until it no longer replaces anything so as to remove "nested" values |
| 3712 | * e.g. $subject = '%0%0%0DDD', $search ='%0D', $result ='' rather than the '%0%0DD' that |
| 3713 | * str_replace would return |
| 3714 | * |