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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.
This hook occurs 2 times in this file.
Line | Code |
---|---|
2528 | * be applied to an empty string. |
2529 | * |
2530 | * @since 2.0.0 |
2531 | * |
2532 | * @param string $text The text to be formatted. |
2533 | * @return string The formatted text after filter is applied. |
2534 | */ |
2535 | function wp_richedit_pre($text) { |
2536 | // Filtering a blank results in an annoying <br />\n |
2537 | if ( empty($text) ) return apply_filters('richedit_pre', ''); |
2538 |
|
2539 | $output = convert_chars($text); |
2540 | $output = wpautop($output); |
2541 | $output = htmlspecialchars($output, ENT_NOQUOTES, get_option( 'blog_charset' ) ); |
2542 |
|
2543 | return apply_filters('richedit_pre', $output); |
2544 | } |
2545 |
|
2546 | /** |
2547 | * Formats text for the HTML editor. |
2548 | * |
2549 | * Unless $output is empty it will pass through htmlspecialchars before the |
2550 | * 'htmledit_pre' filter is applied. |
2551 | * |
2552 | * @since 2.5.0 |