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<?php
/**
* Smarty plugin
*
* @package Smarty
* @subpackage PluginsFunction
*/
/**
* Smarty {html_options} function plugin
* Type: function
* Name: html_options
* Purpose: Prints the list of <option> tags generated from
* the passed parameters
* Params:
*
* - name (optional) - string default "select"
* - values (required) - if no options supplied) - array
* - options (required) - if no values supplied) - associative array
* - selected (optional) - string default not set
* - output (required) - if not options supplied) - array
* - id (optional) - string default not set
* - class (optional) - string default not set
*
* @link https://www.smarty.net/manual/en/language.function.html.options.php {html_image}
* (Smarty online manual)
* @author Monte Ohrt <monte at ohrt dot com>
* @author Ralf Strehle (minor optimization) <ralf dot strehle at yahoo dot de>
*
* @param array $params parameters
*
* @param \Smarty_Internal_Template $template
*
* @return string
* @uses smarty_function_escape_special_chars()
* @throws \SmartyException
*/
function smarty_function_html_options($params, Smarty_Internal_Template $template)
{
$template->_checkPlugins(
array(
array(
'function' => 'smarty_function_escape_special_chars',
'file' => SMARTY_PLUGINS_DIR . 'shared.escape_special_chars.php'
)
)
);
$name = null;
$values = null;
$options = null;
$selected = null;
$output = null;
$id = null;
$class = null;
$extra = '';
foreach ($params as $_key => $_val) {
switch ($_key) {
case 'name':
case 'class':
case 'id':
$$_key = (string)$_val;
break;
case 'options':
$options = (array)$_val;
break;
case 'values':
case 'output':
$$_key = array_values((array)$_val);
break;
case 'selected':
if (is_array($_val)) {
$selected = array();
foreach ($_val as $_sel) {
if (is_object($_sel)) {
if (method_exists($_sel, '__toString')) {
$_sel = smarty_function_escape_special_chars((string)$_sel->__toString());
} else {
trigger_error(
'html_options: selected attribute contains an object of class \'' .
get_class($_sel) . '\' without __toString() method',
E_USER_NOTICE
);
continue;
}
} else {
$_sel = smarty_function_escape_special_chars((string)$_sel);
}
$selected[ $_sel ] = true;
}
} elseif (is_object($_val)) {
if (method_exists($_val, '__toString')) {
$selected = smarty_function_escape_special_chars((string)$_val->__toString());
} else {
trigger_error(
'html_options: selected attribute is an object of class \'' . get_class($_val) .
'\' without __toString() method',
E_USER_NOTICE
);
}
} else {
$selected = smarty_function_escape_special_chars((string)$_val);
}
break;
case 'strict':
break;
case 'disabled':
case 'readonly':
if (!empty($params[ 'strict' ])) {
if (!is_scalar($_val)) {
trigger_error(
"html_options: {$_key} attribute must be a scalar, only boolean true or string '{$_key}' will actually add the attribute",
E_USER_NOTICE
);
}
if ($_val === true || $_val === $_key) {
$extra .= ' ' . $_key . '="' . smarty_function_escape_special_chars($_key) . '"';
}
break;
}
// omit break; to fall through!
// no break
default:
if (!is_array($_val)) {
$extra .= ' ' . $_key . '="' . smarty_function_escape_special_chars($_val) . '"';
} else {
trigger_error("html_options: extra attribute '{$_key}' cannot be an array", E_USER_NOTICE);
}
break;
}
}
if (!isset($options) && !isset($values)) {
/* raise error here? */
return '';
}
$_html_result = '';
$_idx = 0;
if (isset($options)) {
foreach ($options as $_key => $_val) {
$_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected, $id, $class, $_idx);
}
} else {
foreach ($values as $_i => $_key) {
$_val = isset($output[ $_i ]) ? $output[ $_i ] : '';
$_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected, $id, $class, $_idx);
}
}
if (!empty($name)) {
$_html_class = !empty($class) ? ' class="' . $class . '"' : '';
$_html_id = !empty($id) ? ' id="' . $id . '"' : '';
$_html_result =
'<select name="' . $name . '"' . $_html_class . $_html_id . $extra . '>' . "\n" . $_html_result .
'</select>' . "\n";
}
return $_html_result;
}
/**
* @param $key
* @param $value
* @param $selected
* @param $id
* @param $class
* @param $idx
*
* @return string
*/
function smarty_function_html_options_optoutput($key, $value, $selected, $id, $class, &$idx)
{
if (!is_array($value)) {
$_key = smarty_function_escape_special_chars($key);
$_html_result = '<option value="' . $_key . '"';
if (is_array($selected)) {
if (isset($selected[ $_key ])) {
$_html_result .= ' selected="selected"';
}
} elseif ($_key === $selected) {
$_html_result .= ' selected="selected"';
}
$_html_class = !empty($class) ? ' class="' . $class . ' option"' : '';
$_html_id = !empty($id) ? ' id="' . $id . '-' . $idx . '"' : '';
if (is_object($value)) {
if (method_exists($value, '__toString')) {
$value = smarty_function_escape_special_chars((string)$value->__toString());
} else {
trigger_error(
'html_options: value is an object of class \'' . get_class($value) .
'\' without __toString() method',
E_USER_NOTICE
);
return '';
}
} else {
$value = smarty_function_escape_special_chars((string)$value);
}
$_html_result .= $_html_class . $_html_id . '>' . $value . '</option>' . "\n";
$idx++;
} else {
$_idx = 0;
$_html_result =
smarty_function_html_options_optgroup(
$key,
$value,
$selected,
!empty($id) ? ($id . '-' . $idx) : null,
$class,
$_idx
);
$idx++;
}
return $_html_result;
}
/**
* @param $key
* @param $values
* @param $selected
* @param $id
* @param $class
* @param $idx
*
* @return string
*/
function smarty_function_html_options_optgroup($key, $values, $selected, $id, $class, &$idx)
{
$optgroup_html = '<optgroup label="' . smarty_function_escape_special_chars($key) . '">' . "\n";
foreach ($values as $key => $value) {
$optgroup_html .= smarty_function_html_options_optoutput($key, $value, $selected, $id, $class, $idx);
}
$optgroup_html .= "</optgroup>\n";
return $optgroup_html;
}
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