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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 |
|---|---|
| 2399 | /** |
| 2400 | * Filters a sanitized HTML class string. |
| 2401 | * |
| 2402 | * @since 2.8.0 |
| 2403 | * |
| 2404 | * @param string $sanitized The sanitized HTML class. |
| 2405 | * @param string $class HTML class before sanitization. |
| 2406 | * @param string $fallback The fallback string. |
| 2407 | */ |
| 2408 | return apply_filters( 'sanitize_html_class', $sanitized, $class, $fallback ); |
| 2409 | } |
| 2410 | |
| 2411 | /** |
| 2412 | * Converts lone & characters into `&` (a.k.a. `&`) |
| 2413 | * |
| 2414 | * @since 0.71 |
| 2415 | * |
| 2416 | * @param string $content String of characters to be converted. |
| 2417 | * @param string $deprecated Not used. |