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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 |
---|---|
2421 | /** |
2422 | * Filters a sanitized HTML class string. |
2423 | * |
2424 | * @since 2.8.0 |
2425 | * |
2426 | * @param string $sanitized The sanitized HTML class. |
2427 | * @param string $class HTML class before sanitization. |
2428 | * @param string $fallback The fallback string. |
2429 | */ |
2430 | return apply_filters( 'sanitize_html_class', $sanitized, $class, $fallback ); |
2431 | } |
2432 |
|
2433 | /** |
2434 | * Converts lone & characters into `&` (a.k.a. `&`) |
2435 | * |
2436 | * @since 0.71 |
2437 | * |
2438 | * @param string $content String of characters to be converted. |
2439 | * @param string $deprecated Not used. |