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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 |
---|---|
1089 | $user = get_userdata( $selected ); |
1090 | $_selected = selected( $user->ID, $selected, false ); |
1091 | $display = !empty($user->$show) ? $user->$show : '('. $user->user_login . ')'; |
1092 | $output .= "\t<option value='$user->ID'$_selected>" . esc_html($display) . "</option>\n"; |
1093 | } |
1094 |
|
1095 | $output .= "</select>"; |
1096 | } |
1097 |
|
1098 | $output = apply_filters('wp_dropdown_users', $output); |
1099 |
|
1100 | if ( $echo ) |
1101 | echo $output; |
1102 |
|
1103 | return $output; |
1104 | } |
1105 |
|
1106 | /** |
1107 | * Sanitize user field based on context. |