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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 |
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1043 |
|
1044 | /** |
1045 | * Filters the query arguments for the user drop-down. |
1046 | * |
1047 | * @since 4.4.0 |
1048 | * |
1049 | * @param array $query_args The query arguments for wp_dropdown_users(). |
1050 | * @param array $r The default arguments for wp_dropdown_users(). |
1051 | */ |
1052 | $query_args = apply_filters( 'wp_dropdown_users_args', $query_args, $r ); |
1053 |
|
1054 | $users = get_users( $query_args ); |
1055 |
|
1056 | $output = ''; |
1057 | if ( ! empty( $users ) && ( empty( $r['hide_if_only_one_author'] ) || count( $users ) > 1 ) ) { |
1058 | $name = esc_attr( $r['name'] ); |
1059 | if ( $r['multi'] && ! $r['id'] ) { |
1060 | $id = ''; |
1061 | } else { |