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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 |
---|---|
4261 | * Filters an option value following sanitization. |
4262 | * |
4263 | * @since 2.3.0 |
4264 | * @since 4.3.0 Added the `$original_value` parameter. |
4265 | * |
4266 | * @param string $value The sanitized option value. |
4267 | * @param string $option The option name. |
4268 | * @param string $original_value The original value passed to the function. |
4269 | */ |
4270 | return apply_filters( "sanitize_option_{$option}", $value, $option, $original_value ); |
4271 | } |
4272 |
|
4273 | /** |
4274 | * Maps a function to all non-iterable elements of an array or an object. |
4275 | * |
4276 | * This is similar to `array_walk_recursive()` but acts upon objects too. |
4277 | * |
4278 | * @since 4.4.0 |
4279 | * |