Enhance user search UI on page manage_user_page.php

- Replace label by placeholder
- White space fixes
- Remove unrelated changes from PR

Fixes #12677

config_defaults_inc.php

@@ -4876,9 +4876,3 @@
  * the attachment is linked to the note.  Or 0 for disabling this feature.
  */
 $g_issue_activity_note_attachments_seconds_threshold = 3;
-
-/**
- * If a user submits a note with an attachments (with the specified # of seconds)
- * the attachment is linked to the note.  Or 0 for disabling this feature.
- */
-$g_issue_activity_note_attachments_seconds_threshold = 3;

lang/strings_english.txt

@@ -753,6 +753,7 @@ $s_date_created = 'Date Created';
 $s_last_visit = 'Last Visit';
 $s_last_visit_label = 'Last Visit:';
 $s_edit_user_link = 'Edit User';
+$s_search_user_hint = 'Username, Real Name or E-mail';
 
 # manage_custom_field_edit_page.php
 $s_separate_list_items_by = '(separate list items by "%1$s")';

manage_user_page.php

@@ -64,14 +64,13 @@
 $f_filter        = mb_strtoupper( gpc_get_string( 'filter', config_get( 'default_manage_user_prefix' ) ) );
 $f_page_number   = gpc_get_int( 'page_number', 1 );
 
-if( substr( $f_filter,0,6 ) === "SEARCH" ) {
-	$f_findname = trim( substr( $f_filter,6 ) );
+if( mb_substr( $f_filter, 0, 6 ) === "SEARCH" ) {
+	$f_findname = mb_substr( $f_filter, 6 );
 } else {
 	$f_findname = gpc_get_string( 'findname', '' ); 
 	if( $f_findname <> "" ) {
-		$f_filter = 'SEARCH';
-		$f_filter .= trim( $f_findname );
-	} 
+		$f_filter = 'SEARCH' . $f_findname;
+	}
 }
 
 if( !$f_save && !is_blank( gpc_get_cookie( $t_cookie_name, '' ) ) ) {
@@ -195,11 +194,11 @@
 $t_where_params = array();
 if( $f_filter === 'ALL' ) {
 	$t_where = '(1 = 1)';
-} else if( substr( $f_filter,0,6 ) === 'SEARCH' ) {
-	$t_pos = strpos($f_findname, '-');
+} else if( mb_substr( $f_filter, 0, 6 ) === 'SEARCH' ) {
+	$t_pos = mb_strpos( $f_findname, '-' );
 	if( $t_pos ) {
-		$t_exclude = trim( substr( $f_findname,$t_pos+1 ) );
-		$f_findname = trim( substr( $f_findname, 0,$t_pos-1 ) );
+		$t_exclude = trim( mb_substr( $f_findname, $t_pos+1 ) );
+		$f_findname = trim( mb_substr( $f_findname, 0, $t_pos-1 ) );
 		$t_where_params[] = '%' . $f_findname . '%';
 		$t_where = " ( ";
 		$t_where .= db_helper_like( 'realname' );
@@ -407,8 +406,7 @@
 	<div id="manage-user-edit-div" class="form-inline pull-left">
 		<form method="get" action="manage_user_page.php">
 			<?php # CSRF protection not required here - form does not result in modifications ?>
-			<label class="inline" for="findname"><?php echo lang_get( 'realname' ) ?></label>
-			<input id="findname" type="text" name="findname" class="input-sm" value="" />
+			<input id="findname" type="text" size="30" name="findname" class="input-sm" value="" placeholder="<?php echo lang_get( 'search_user_hint' ) ?>"/>
 			<input type="submit" class="btn btn-primary btn-sm btn-white btn-round" value="<?php echo lang_get( 'search' ) ?>" />
 		</form>	</div>
 	<div class="btn-toolbar pull-right">