/**
* Renders a HTML tag attribute.
*
* @access public
* @since 0.8
*
* @uses sanitize_html_class()
* @uses esc_attr()
*
* @param string $type The attribute name.
* @param array|string $value The attribute value.
*
* @return string The rendered attribute.
*/
public static function attribute($type, $value)
{
switch ($type) {
case 'class':
if (is_array($value) && !empty($value)) {
array_walk($value, 'sanitize_html_class');
return $value ? ' class="' . implode($value, ' ') . '" ' : '';
} elseif (!empty($value)) {
return ' class="' . sanitize_html_class((string) $value) . '" ';
} else {
return '';
}
break;
case 'id':
if (!empty($value)) {
return ' id="' . esc_attr((string) $value) . '" ';
} else {
return '';
}
break;
case 'style':
if (is_array($value) && !empty($value)) {
array_walk($value, create_function('&$i, $property', '$i = "$property: $i";'));
return $value ? ' style="' . implode($value, '; ') . '"' : '';
}
return '';
break;
case 'value':
return ' value="' . esc_attr((string) $value) . '" ';
break;
case 'data':
$data = array();
/**
* Create valid HTML5 data attributes.
*
* @link http://stackoverflow.com/a/22753630/5351316
* @link https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/dataset
*/
if (cnFunction::isDimensionalArray($value)) {
foreach ($value as $_value) {
if (isset($_value['name']) && 0 < strlen($_value['name'])) {
$name = 'data-' . cnFormatting::toCamelCase($_value['name']);
$data[$name] = $_value['value'];
}
}
} else {
if (isset($value['name']) && 0 < strlen($value['name'])) {
$name = 'data-' . cnFormatting::toCamelCase($value['name']);
$data[$name] = $value['value'];
}
}
if (!empty($data)) {
array_walk($data, create_function('&$i, $name', '$i = $name . \'="\' . esc_attr( $i ) . \'"\';'));
return ' ' . implode($data, ' ');
}
return '';
break;
default:
if (is_array($value) && !empty($value)) {
array_walk($value, 'esc_attr');
return $value ? ' ' . esc_attr($type) . '="' . implode($value, ' ') . '" ' : '';
} elseif (!empty($value)) {
return ' ' . esc_attr($type) . '="' . esc_attr((string) $value) . '" ';
} else {
return '';
}
}
}
