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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 |
---|---|
1988 | * Filters the registration arguments when registering a setting. |
1989 | * |
1990 | * @since 4.7.0 |
1991 | * |
1992 | * @param array $args Array of setting registration arguments. |
1993 | * @param array $defaults Array of default arguments. |
1994 | * @param string $option_group Setting group. |
1995 | * @param string $option_name Setting name. |
1996 | */ |
1997 | $args = apply_filters( 'register_setting_args', $args, $defaults, $option_group, $option_name ); |
1998 | $args = wp_parse_args( $args, $defaults ); |
1999 |
|
2000 | if ( ! is_array( $wp_registered_settings ) ) { |
2001 | $wp_registered_settings = array(); |
2002 | } |
2003 |
|
2004 | if ( 'misc' == $option_group ) { |
2005 | _deprecated_argument( __FUNCTION__, '3.0.0', |
2006 | /* translators: %s: misc */ |