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XmlFileLoader

class XmlFileLoader extends FileLoader

Loads validation metadata from an XML file.

DEFAULT_NAMESPACE

The namespace to load constraints from by default.

protected	$namespaces		from AbstractLoader
protected	$file		from FileLoader
protected SimpleXMLElement[]\|null	$classes	The XML nodes of the mapping file.

	addNamespaceAlias(string $alias, string $namespace) Adds a namespace alias.	from AbstractLoader
Constraint	newConstraint(string $name, mixed $options = null) Creates a new constraint instance for the given constraint name.	from AbstractLoader
	__construct(string $file) Creates a new loader.	from FileLoader
bool	loadClassMetadata(ClassMetadata $metadata) Loads validation metadata into a {@link ClassMetadata} instance.
string[]	getMappedClasses() Return the names of the classes mapped in this file.
array	parseConstraints(SimpleXMLElement $nodes) Parses a collection of "constraint" XML nodes.
array	parseValues(SimpleXMLElement $nodes) Parses a collection of "value" XML nodes.
array	parseOptions(SimpleXMLElement $nodes) Parses a collection of "option" XML nodes.
SimpleXMLElement	parseFile(string $path) Loads the XML class descriptions from the given file.

Adds a namespace alias.

The namespace alias can be used to reference constraints from specific namespaces in {@link newConstraint()}:

$this->addNamespaceAlias('mynamespace', '\\Acme\\Package\\Constraints\\');

$constraint = $this->newConstraint('mynamespace:NotNull');

string	$alias	The alias
string	$namespace	The PHP namespace

Creates a new constraint instance for the given constraint name.

string	$name	The constraint name. Either a constraint relative to the default constraint namespace, or a fully qualified class name. Alternatively, the constraint may be preceded by a namespace alias and a colon. The namespace alias must have been defined using {@link addNamespaceAlias()}.
mixed	$options	The constraint options