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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 |
---|---|
540 | $user->ID = (int) $user->ID; |
541 | $_selected = $user->ID == $selected ? " selected='selected'" : ''; |
542 | $display = !empty($user->$show) ? $user->$show : '('. $user->user_login . ')'; |
543 | $output .= "\t<option value='$user->ID'$_selected>" . esc_html($display) . "</option>\n"; |
544 | } |
545 |
|
546 | $output .= "</select>"; |
547 | } |
548 |
|
549 | $output = apply_filters('wp_dropdown_users', $output); |
550 |
|
551 | if ( $echo ) |
552 | echo $output; |
553 |
|
554 | return $output; |
555 | } |
556 |
|
557 | /** |
558 | * Add user meta data as properties to given user object. |