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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 |
---|---|
4305 | * Filters an option value following sanitization. |
4306 | * |
4307 | * @since 2.3.0 |
4308 | * @since 4.3.0 Added the `$original_value` parameter. |
4309 | * |
4310 | * @param string $value The sanitized option value. |
4311 | * @param string $option The option name. |
4312 | * @param string $original_value The original value passed to the function. |
4313 | */ |
4314 | return apply_filters( "sanitize_option_{$option}", $value, $option, $original_value ); |
4315 | } |
4316 |
|
4317 | /** |
4318 | * Maps a function to all non-iterable elements of an array or an object. |
4319 | * |
4320 | * This is similar to `array_walk_recursive()` but acts upon objects too. |
4321 | * |
4322 | * @since 4.4.0 |
4323 | * |