sed internally */
function twig_ensure_traversable($seq)
{
if ($seq instanceof Traversable || is_array($seq)) {
return $seq;
}
return array();
}
/**
* Checks if a variable is empty.
*
*
* {# evaluates to true if the foo variable is null, false, or the empty string #}
* {% if foo is empty %}
* {# ... #}
* {% endif %}
*
*
* @param mixed $value A variable
*
* @return Boolean true if the value is empty, false otherwise
*/
function twig_test_empty($value)
{
if ($value instanceof Countable) {
return 0 == count($value);
}
return '' === $value || false === $value || null === $value || array() === $value;
}
/**
* Checks if a variable is traversable.
*
*
* {# evaluates to true if the foo variable is an array or a traversable object #}
* {% if foo is traversable %}
* {# ... #}
* {% endif %}
*
*
* @param mixed $value A variable
*
* @return Boolean true if the value is traversable
*/
function twig_test_iterable($value)
{
return $value instanceof Traversable || is_array($value);
}
/**
* Renders a template.
*
* @param string|array $template The template to render or an array of templates to try consecutively
* @param array $variables The variables to pass to the template
* @param Boolean $with_context Whether to pass the current context variables or not
* @param Boolean $ignore_missing Whether to ignore missing templates or not
* @param Boolean $sandboxed Whether to sandbox the template or not
*
* @return string The rendered template
*/
function twig_include(Twig_Environment $env, $context, $template, $variables = array(), $withContext = true, $ignoreMissing = false, $sandboxed = false)
{
if ($withContext) {
$variables = array_merge($context, $variables);
}
if ($isSandboxed = $sandboxed && $env->hasExtension('sandbox')) {
$sandbox = $env->getExtension('sandbox');
if (!$alreadySandboxed = $sandbox->isSandboxed()) {
$sandbox->enableSandbox();
}
}
try {
return $env->resolveTemplate($template)->render($variables);
} catch (Twig_Error_Loader $e) {
if (!$ignoreMissing) {
throw $e;
}
}
if ($isSandboxed && !$alreadySandboxed) {
$sandbox->disableSandbox();
}
}
/**
* Provides the ability to get constants from instances as well as class/global constants.
*
* @param string $constant The name of the constant
* @param null|object $object The object to get the constant from
*
* @return string
*/
function twig_constant($constant, $object = null)
{
if (null !== $object) {
$constant = get_class($object).'::'.$constant;
}
return constant($constant);
}
/**
* Batches item.
*
* @param array $items An array of items
* @param integer $size The size of the batch
* @param mixed $fill A value used to fill missing items
*
* @return array
*/
function twig_array_batch($items, $size, $fill = null)
{
if (is_object($items) && $items instanceof Traversable) {
$items = iterator_to_array($items, false);
}
$size = ceil($size);
$result = array_chunk($items, $size, true);
if (null !== $fill) {
$last = count($result) - 1;
if ($fillCount = $size - count($result[$last])) {
$result[$last] = array_merge(
$result[$last],
array_fill(0, $fillCount, $fill)
);
}
}
return $result;
}
