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<?php
/**
* Elgg radio input
* Displays a radio input field
*
* @warning Passing integers as labels does not currently work due to a
* deprecated hack that will be removed in Elgg 1.9. To use integer labels,
* the labels must be character codes: 1 would be 1
*
* @package Elgg
* @subpackage Core
*
* @uses $vars['value'] The current value, if any
* @uses $vars['name'] The name of the input field
* @uses $vars['options'] An array of strings representing the options for the
* radio field as "label" => option
* @uses $vars['class'] Additional class of the list. Optional.
* @uses $vars['align'] 'horizontal' or 'vertical' Default: 'vertical'
*/
$defaults = array(
'align' => 'vertical',
'value' => array(),
'disabled' => false,
'options' => array(),
'name' => '',
);
$vars = array_merge($defaults, $vars);
$id = '';
if (isset($vars['id'])) {
$id = "id=\"{$vars['id']}\"";
unset($vars['id']);
}
$class = "elgg-input-radios elgg-{$vars['align']}";
if (isset($vars['class'])) {
$class .= " {$vars['class']}";
unset($vars['class']);
}
unset($vars['align']);
$vars['class'] = 'elgg-input-radio';
if (is_array($vars['value'])) {
$vars['value'] = array_map('elgg_strtolower', $vars['value']);
} else {
$vars['value'] = array(elgg_strtolower($vars['value']));
}
$options = $vars['options'];
unset($vars['options']);
$value = $vars['value'];
unset($vars['value']);
if ($options && count($options) > 0) {
echo "<ul class=\"$class\" $id>";
foreach ($options as $label => $option) {
$vars['checked'] = in_array(elgg_strtolower($option), $value);
$vars['value'] = $option;
$attributes = elgg_format_attributes($vars);
// handle indexed array where label is not specified
// @deprecated 1.8 Remove in 1.9
if (is_integer($label)) {
elgg_deprecated_notice('$vars[\'options\'] must be an associative array in input/radio', 1.8);
$label = $option;
}
echo "<li><label><input type=\"radio\" $attributes />$label</label></li>";
}
echo '</ul>';
}
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