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render_dropdown_question()

Description

render_dropdown_question - Used to display a question with a dropdown selector

IMPORTANT: careful when having to handle untrusted data! If you have to pass it to elements, make sure they're encoded
accordingly.

div_class?: list<string>,
div_content?: string,
div_extra_attr?: string,
input_class?: string,
onchange?: string,
} $ctx Rendering context. Should be used to inject different elements (e.g set the div class, add onchange for select).

Parameters

ColumnTypeDefaultDescription
$label string Label of question
$inputname string Name of input field
$options array array Array of options (value and text pairs) (eg. array('pixelwidthmin'=>'From','pixelwidthmin'=>'To')
$current string|list "" The current selected value. For a multiple selector, a list of currently selected values.
$extra string "" Extra attributes used on the selector element
$ctx array
* array{ no_div_class_question?: bool,

Location

include/render_functions.php lines 1697 to 1734

Definition

 
function render_dropdown_question($label, $inputname, $options = array(), string|array $current="", $extra="", array $ctx = array()): void
    {
    $input_name_escaped = escape($inputname);
    $div_class = isset($ctx["no_div_class_question"]) ? [] : ["Question"];
    if(isset($ctx["div_class"]) && is_array($ctx["div_class"]) && !empty($ctx["div_class"]))
        {
        $div_class = array_merge($div_class, $ctx["div_class"]);
        }
    $div_content = $ctx["div_content"] ?? "";
    $div_extra_attr = $ctx["div_extra_attr"] ?? "";
    $input_class = isset($ctx["input_class"]) ? $ctx["input_class"] : "stdwidth";

    $onchange = (isset($ctx["onchange"]) && trim($ctx["onchange"]) != "" ? trim($ctx["onchange"]) : "");
    $onchange = ($onchange != "" ? sprintf("onchange=\"%s\"", $onchange) : "");

    $extra .= " {$onchange}";

    $is_option_selected = static fn (string $option): bool => is_array($current)
        ? in_array($option, $current)
        : trim((string) $option) === trim((string) $current);
    ?>
    <div class=" echo escape(implode(" ", $div_class)); ?>"  echo $div_extra_attr; ?>>
        <label for=" echo $input_name_escaped; ?>"> echo escape($label); ?></label>
        <select  name=" echo $input_name_escaped; ?>" class=" echo escape($input_class); ?>" id=" echo $input_name_escaped; ?>"  echo $extra; ?>>
        
        foreach ($options as $optionvalue=>$optiontext)
            {
            ?>
            <option value=" echo escape(trim((string)$optionvalue))?>"  if ($is_option_selected($optionvalue)) {?>selected } ?>> echo escape(trim((string)$optiontext))?></option>
            
            }
        ?>
        </select>
         echo $div_content; ?>
        <div class="clearerleft"></div>
    </div>
    
    }

This article was last updated 14th June 2026 10:35 Europe/London time based on the source file dated 10th June 2026 16:35 Europe/London time.