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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 |
|---|---|
| 4306 | /** |
| 4307 | * Filters the text after it is formatted for the editor. |
| 4308 | * |
| 4309 | * @since 4.3.0 |
| 4310 | * |
| 4311 | * @param string $text The formatted text. |
| 4312 | * @param string $default_editor The default editor for the current user. |
| 4313 | * It is usually either 'html' or 'tinymce'. |
| 4314 | */ |
| 4315 | return apply_filters( 'format_for_editor', $text, $default_editor ); |
| 4316 | } |
| 4317 | |
| 4318 | /** |
| 4319 | * Performs a deep string replace operation to ensure the values in $search are no longer present. |
| 4320 | * |
| 4321 | * Repeats the replacement operation until it no longer replaces anything so as to remove "nested" values |
| 4322 | * e.g. $subject = '%0%0%0DDD', $search ='%0D', $result ='' rather than the '%0%0DD' that |
| 4323 | * str_replace would return |
| 4324 | * |