protected function Twig_Template::getAttribute in Zircon Profile 8.0
Same name and namespace in other branches
- 8 vendor/twig/twig/lib/Twig/Template.php \Twig_Template::getAttribute()
Returns the attribute value for a given array/object.
Parameters
mixed $object The object or array from where to get the item:
mixed $item The item to get from the array or object:
array $arguments An array of arguments to pass if the item is an object method:
string $type The type of attribute (@see Twig_Template constants):
bool $isDefinedTest Whether this is only a defined check:
bool $ignoreStrictCheck Whether to ignore the strict attribute check or not:
Return value
mixed The attribute value, or a Boolean when $isDefinedTest is true, or null when the attribute is not set and $ignoreStrictCheck is true
Throws
Twig_Error_Runtime if the attribute does not exist and Twig is running in strict mode and $isDefinedTest is false
1 call to Twig_Template::getAttribute()
- Twig_TemplateTest::getAttribute in vendor/
twig/ twig/ test/ Twig/ Tests/ TemplateTest.php - Returns the attribute value for a given array/object.
1 method overrides Twig_Template::getAttribute()
- Twig_TemplateTest::getAttribute in vendor/
twig/ twig/ test/ Twig/ Tests/ TemplateTest.php - Returns the attribute value for a given array/object.
File
- vendor/
twig/ twig/ lib/ Twig/ Template.php, line 456
Class
- Twig_Template
- Default base class for compiled templates.
Code
protected function getAttribute($object, $item, array $arguments = array(), $type = self::ANY_CALL, $isDefinedTest = false, $ignoreStrictCheck = false) {
// array
if (self::METHOD_CALL !== $type) {
$arrayItem = is_bool($item) || is_float($item) ? (int) $item : $item;
if (is_array($object) && array_key_exists($arrayItem, $object) || $object instanceof ArrayAccess && isset($object[$arrayItem])) {
if ($isDefinedTest) {
return true;
}
return $object[$arrayItem];
}
if (self::ARRAY_CALL === $type || !is_object($object)) {
if ($isDefinedTest) {
return false;
}
if ($ignoreStrictCheck || !$this->env
->isStrictVariables()) {
return;
}
if ($object instanceof ArrayAccess) {
$message = sprintf('Key "%s" in object with ArrayAccess of class "%s" does not exist', $arrayItem, get_class($object));
}
elseif (is_object($object)) {
$message = sprintf('Impossible to access a key "%s" on an object of class "%s" that does not implement ArrayAccess interface', $item, get_class($object));
}
elseif (is_array($object)) {
if (empty($object)) {
$message = sprintf('Key "%s" does not exist as the array is empty', $arrayItem);
}
else {
$message = sprintf('Key "%s" for array with keys "%s" does not exist', $arrayItem, implode(', ', array_keys($object)));
}
}
elseif (self::ARRAY_CALL === $type) {
if (null === $object) {
$message = sprintf('Impossible to access a key ("%s") on a null variable', $item);
}
else {
$message = sprintf('Impossible to access a key ("%s") on a %s variable ("%s")', $item, gettype($object), $object);
}
}
elseif (null === $object) {
$message = sprintf('Impossible to access an attribute ("%s") on a null variable', $item);
}
else {
$message = sprintf('Impossible to access an attribute ("%s") on a %s variable ("%s")', $item, gettype($object), $object);
}
throw new Twig_Error_Runtime($message, -1, $this
->getTemplateName());
}
}
if (!is_object($object)) {
if ($isDefinedTest) {
return false;
}
if ($ignoreStrictCheck || !$this->env
->isStrictVariables()) {
return;
}
if (null === $object) {
$message = sprintf('Impossible to invoke a method ("%s") on a null variable', $item);
}
else {
$message = sprintf('Impossible to invoke a method ("%s") on a %s variable ("%s")', $item, gettype($object), $object);
}
throw new Twig_Error_Runtime($message, -1, $this
->getTemplateName());
}
// object property
if (self::METHOD_CALL !== $type && !$object instanceof self) {
// Twig_Template does not have public properties, and we don't want to allow access to internal ones
if (isset($object->{$item}) || array_key_exists((string) $item, $object)) {
if ($isDefinedTest) {
return true;
}
if ($this->env
->hasExtension('sandbox')) {
$this->env
->getExtension('sandbox')
->checkPropertyAllowed($object, $item);
}
return $object->{$item};
}
}
$class = get_class($object);
// object method
if (!isset(self::$cache[$class]['methods'])) {
// get_class_methods returns all methods accessible in the scope, but we only want public ones to be accessible in templates
if ($object instanceof self) {
$ref = new ReflectionClass($class);
$methods = array();
foreach ($ref
->getMethods(ReflectionMethod::IS_PUBLIC) as $refMethod) {
$methodName = strtolower($refMethod->name);
// Accessing the environment from templates is forbidden to prevent untrusted changes to the environment
if ('getenvironment' !== $methodName) {
$methods[$methodName] = true;
}
}
self::$cache[$class]['methods'] = $methods;
}
else {
self::$cache[$class]['methods'] = array_change_key_case(array_flip(get_class_methods($object)));
}
}
$call = false;
$lcItem = strtolower($item);
if (isset(self::$cache[$class]['methods'][$lcItem])) {
$method = (string) $item;
}
elseif (isset(self::$cache[$class]['methods']['get' . $lcItem])) {
$method = 'get' . $item;
}
elseif (isset(self::$cache[$class]['methods']['is' . $lcItem])) {
$method = 'is' . $item;
}
elseif (isset(self::$cache[$class]['methods']['__call'])) {
$method = (string) $item;
$call = true;
}
else {
if ($isDefinedTest) {
return false;
}
if ($ignoreStrictCheck || !$this->env
->isStrictVariables()) {
return;
}
throw new Twig_Error_Runtime(sprintf('Method "%s" for object "%s" does not exist', $item, get_class($object)), -1, $this
->getTemplateName());
}
if ($isDefinedTest) {
return true;
}
if ($this->env
->hasExtension('sandbox')) {
$this->env
->getExtension('sandbox')
->checkMethodAllowed($object, $method);
}
// Some objects throw exceptions when they have __call, and the method we try
// to call is not supported. If ignoreStrictCheck is true, we should return null.
try {
$ret = call_user_func_array(array(
$object,
$method,
), $arguments);
} catch (BadMethodCallException $e) {
if ($call && ($ignoreStrictCheck || !$this->env
->isStrictVariables())) {
return;
}
throw $e;
}
// useful when calling a template method from a template
// this is not supported but unfortunately heavily used in the Symfony profiler
if ($object instanceof Twig_TemplateInterface) {
return $ret === '' ? '' : new Twig_Markup($ret, $this->env
->getCharset());
}
return $ret;
}