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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 |
---|---|
1220 | } |
1221 |
|
1222 | /** |
1223 | * Filters the wp_dropdown_users() HTML output. |
1224 | * |
1225 | * @since 2.3.0 |
1226 | * |
1227 | * @param string $output HTML output generated by wp_dropdown_users(). |
1228 | */ |
1229 | $html = apply_filters( 'wp_dropdown_users', $output ); |
1230 |
|
1231 | if ( $parsed_args['echo'] ) { |
1232 | echo $html; |
1233 | } |
1234 | return $html; |
1235 | } |
1236 |
|
1237 | /** |
1238 | * Sanitize user field based on context. |