format_to_edit( string $content, bool $rich_text = false ): string  Acts on text which is about to be edited.   Description 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.   Parameters   $content string Required    The text about to be edited.    $rich_text bool Optional     Whether $content should be considered rich text, in which case it would not be passed through esc_textarea() .   Default: false     Return string The text after the filter (and possibly htmlspecialchars()) has been run.   Source  File: wp-includes/formatting.php. View all references  function format_to_edit( $content, $rich_text = false ) {
	/**
	 * Filters the text to be formatted for editing.
	 *
	 * @since 1.2.0
	 *
	 * @param string $content The text, prior to formatting for editing.
	 */
	$content = apply_filters( 'format_to_edit', $content );
	if ( ! $rich_text ) {
		$content = esc_textarea( $content );
	}
	return $content;
}
   Hooks     apply_filters( 'format_to_edit', string $content )   
Filters the text to be formatted for editing.      Related  Uses    Uses Description      esc_textarea() wp-includes/formatting.php   Escaping for textarea values.     apply_filters() wp-includes/plugin.php   Calls the callback functions that have been added to a filter hook.   
   Used By    Used By Description      edit_form_image_editor() wp-admin/includes/media.php   Displays the image and editor in the post editor     get_comment_to_edit() wp-admin/includes/comment.php   Returns a WP_Comment object based on comment ID.     sanitize_post_field() wp-includes/post.php   Sanitizes a post field based on context.   
    Changelog    Version Description     4.4.0 The $richedit parameter was renamed to $rich_text for clarity.   0.71 Introduced.    

    
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