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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 |
|---|---|
| 5117 | * Filters an option value following sanitization. |
| 5118 | * |
| 5119 | * @since 2.3.0 |
| 5120 | * @since 4.3.0 Added the `$original_value` parameter. |
| 5121 | * |
| 5122 | * @param string $value The sanitized option value. |
| 5123 | * @param string $option The option name. |
| 5124 | * @param string $original_value The original value passed to the function. |
| 5125 | */ |
| 5126 | return apply_filters( "sanitize_option_{$option}", $value, $option, $original_value ); |
| 5127 | } |
| 5128 | |
| 5129 | /** |
| 5130 | * Maps a function to all non-iterable elements of an array or an object. |
| 5131 | * |
| 5132 | * This is similar to `array_walk_recursive()` but acts upon objects too. |
| 5133 | * |
| 5134 | * @since 4.4.0 |
| 5135 | * |