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<?php
/**
* Elgg checkbox input
* Displays a checkbox input field
* NB: This also includes a hidden input with the same name as the checkboxes
* to make sure something is sent to the server. The default value is 0.
* If using JS, be specific to avoid selecting the hidden default value:
* $('input[type=checkbox][name=internalname])
*
* @package Elgg
* @subpackage Core
*
* @uses string $vars['internalname'] The name of the input fields (Forced to an array by appending [])
* @uses array $vars['options'] An array of strings representing the label => option for the each checkbox field
* @uses string $vars['internalid'] The id for each input field. Optional (Only use this with a single value.)
* @uses string $vars['default'] The default value to send if nothing is checked. Optional, defaults to 0.
* @uses bool $vars['disabled'] Make all input elements disabled. Optional.
* @uses string $vars['value'] The current value. Optional.
* @uses string $vars['class'] The class of each input element. Optional.
* @uses string $vars['js'] Any Javascript to enter into the input tag. Optional.
*
*/
if (!isset($vars['value']) || $vars['value'] === FALSE) {
$vars['value'] = elgg_get_sticky_value($vars['internalname']);
}
$class = (isset($vars['class'])) ? $vars['class'] : 'input_checkboxes';
$value = (isset($vars['value'])) ? $vars['value'] : NULL;
$value_array = (is_array($value)) ? array_map('strtolower', $value) : array(strtolower($value));
$internalname = (isset($vars['internalname'])) ? $vars['internalname'] : '';
$options = (isset($vars['options']) && is_array($vars['options'])) ? $vars['options'] : array();
$default = (isset($vars['default'])) ? $vars['default'] : 0;
$id = (isset($vars['internalid'])) ? $vars['internalid'] : '';
$disabled = (isset($vars['disabled'])) ? $vars['disabled'] : FALSE;
$js = (isset($vars['js'])) ? $vars['js'] : '';
if ($options) {
// include a default value so if nothing is checked 0 will be passed.
if ($internalname) {
echo "<input type=\"hidden\" name=\"$internalname\" value=\"$default\">";
}
foreach($options as $label => $option) {
// @hack - This sorta checks if options is not an assoc array and then
// ignores the label (because it's just the index) and sets the value ($option)
// as the label.
// Wow.
// @todo deprecate in Elgg 1.8
if (is_integer($label)) {
$label = $option;
}
if (!in_array(strtolower($option), $value_array)) {
$selected = FALSE;
} else {
$selected = TRUE;
}
$attr = array(
'type="checkbox"',
'value="' . htmlentities($option, ENT_QUOTES, 'UTF-8') . '"'
);
if ($id) {
$attr[] = "id=\"$id\"";
}
if ($class) {
$attr[] = "class=\"$class\"";
}
if ($disabled) {
$attr[] = 'disabled="yes"';
}
if ($selected) {
$attr[] = 'checked = "checked"';
}
if ($js) {
$attr[] = $js;
}
if ($internalname) {
// @todo this really, really should only add the []s if there are > 1 element in options.
$attr[] = "name=\"{$internalname}[]\"";
}
$attr_str = implode(' ', $attr);
echo "<label><input $attr_str />$label</label><br />";
}
}
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