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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 |
---|---|
3689 | /** |
3690 | * Filters the text after it is formatted for the editor. |
3691 | * |
3692 | * @since 4.3.0 |
3693 | * |
3694 | * @param string $text The formatted text. |
3695 | * @param string $default_editor The default editor for the current user. |
3696 | * It is usually either 'html' or 'tinymce'. |
3697 | */ |
3698 | return apply_filters( 'format_for_editor', $text, $default_editor ); |
3699 | } |
3700 |
|
3701 | /** |
3702 | * Perform a deep string replace operation to ensure the values in $search are no longer present |
3703 | * |
3704 | * Repeats the replacement operation until it no longer replaces anything so as to remove "nested" values |
3705 | * e.g. $subject = '%0%0%0DDD', $search ='%0D', $result ='' rather than the '%0%0DD' that |
3706 | * str_replace would return |
3707 | * |