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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 |
---|---|
4967 | * Filters an option value following sanitization. |
4968 | * |
4969 | * @since 2.3.0 |
4970 | * @since 4.3.0 Added the `$original_value` parameter. |
4971 | * |
4972 | * @param string $value The sanitized option value. |
4973 | * @param string $option The option name. |
4974 | * @param string $original_value The original value passed to the function. |
4975 | */ |
4976 | return apply_filters( "sanitize_option_{$option}", $value, $option, $original_value ); |
4977 | } |
4978 |
|
4979 | /** |
4980 | * Maps a function to all non-iterable elements of an array or an object. |
4981 | * |
4982 | * This is similar to `array_walk_recursive()` but acts upon objects too. |
4983 | * |
4984 | * @since 4.4.0 |
4985 | * |