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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 |
|---|---|
| 2955 | $output = htmlspecialchars($output, ENT_NOQUOTES, get_option( 'blog_charset' ) ); // convert only < > & |
| 2956 | |
| 2957 | /** |
| 2958 | * Filter the text before it is formatted for the HTML editor. |
| 2959 | * |
| 2960 | * @since 2.5.0 |
| 2961 | * |
| 2962 | * @param string $output The HTML-formatted text. |
| 2963 | */ |
| 2964 | return apply_filters( 'htmledit_pre', $output ); |
| 2965 | } |
| 2966 | |
| 2967 | /** |
| 2968 | * Perform a deep string replace operation to ensure the values in $search are no longer present |
| 2969 | * |
| 2970 | * Repeats the replacement operation until it no longer replaces anything so as to remove "nested" values |
| 2971 | * e.g. $subject = '%0%0%0DDD', $search ='%0D', $result ='' rather than the '%0%0DD' that |
| 2972 | * str_replace would return |
| 2973 | * |