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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 |
---|---|
1084 | } |
1085 |
|
1086 | /** |
1087 | * Filter the wp_dropdown_users() HTML output. |
1088 | * |
1089 | * @since 2.3.0 |
1090 | * |
1091 | * @param string $output HTML output generated by wp_dropdown_users(). |
1092 | */ |
1093 | $html = apply_filters( 'wp_dropdown_users', $output ); |
1094 |
|
1095 | if ( $r['echo'] ) { |
1096 | echo $html; |
1097 | } |
1098 | return $html; |
1099 | } |
1100 |
|
1101 | /** |
1102 | * Sanitize user field based on context. |