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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 |
|---|---|
| 3293 | |
| 3294 | /** |
| 3295 | * Filter an option value following sanitization. |
| 3296 | * |
| 3297 | * @since 2.3.0 |
| 3298 | * |
| 3299 | * @param string $value The sanitized option value. |
| 3300 | * @param string $option The option name. |
| 3301 | */ |
| 3302 | $value = apply_filters( "sanitize_option_{$option}", $value, $option ); |
| 3303 | |
| 3304 | return $value; |
| 3305 | } |
| 3306 | |
| 3307 | /** |
| 3308 | * Parses a string into variables to be stored in an array. |
| 3309 | * |
| 3310 | * Uses {@link http://www.php.net/parse_str parse_str()} and stripslashes if |
| 3311 | * {@link http://www.php.net/magic_quotes magic_quotes_gpc} is on. |