2020-05-01 / 3051阅 / 悠然
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The $content is run through esc_textarea(), which uses htmlspecialchars() to convert special characters to HTML entities. If $richedit is set to true, it is simply a holder for the ‘format_to_edit’ filter.
(string)
(Required)
The text about to be edited.
(bool)
(Optional)
Whether $content should be considered rich text, in which case it would not be passed through esc_textarea().
Default value: false
(string) The text after the filter (and possibly htmlspecialchars()) has been run.