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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 |
|---|---|
| 932 | * |
| 933 | * @since 2.3.0 |
| 934 | * |
| 935 | * @param string $string Content to filter through KSES. |
| 936 | * @param array[]|string $allowed_html An array of allowed HTML elements and attributes, |
| 937 | * or a context name such as 'post'. See wp_kses_allowed_html() |
| 938 | * for the list of accepted context names. |
| 939 | * @param string[] $allowed_protocols Array of allowed URL protocols. |
| 940 | */ |
| 941 | return apply_filters( 'pre_kses', $string, $allowed_html, $allowed_protocols ); |
| 942 | } |
| 943 | |
| 944 | /** |
| 945 | * Returns the version number of KSES. |
| 946 | * |
| 947 | * @since 1.0.0 |
| 948 | * |
| 949 | * @return string KSES version number. |
| 950 | */ |