Developer
<?php
/*
Copyright (c) 2009 hamcrest.org
*/
class FactoryParameter
{
/**
* @var FactoryMethod
*/
private $method;
/**
* @var ReflectionParameter
*/
private $reflector;
public function __construct(FactoryMethod $method, ReflectionParameter $reflector)
{
$this->method = $method;
$this->reflector = $reflector;
}
/**
* Compute the declaration code.
*
* @return string
*/
public function getDeclaration()
{
$code = $this->getTypeCode() . $this->getInvocation();
if ($this->reflector->isOptional()) {
$default = $this->reflector->getDefaultValue();
if (is_null($default)) {
$default = 'null';
} elseif (is_bool($default)) {
$default = $default ? 'true' : 'false';
} elseif (is_string($default)) {
$default = "'" . $default . "'";
} elseif (is_numeric($default)) {
$default = strval($default);
} elseif (is_array($default)) {
$default = 'array()';
} else {
echo 'Warning: unknown default type for ' . $this->getMethod()->getFullName() . "\n";
var_dump($default);
$default = 'null';
}
$code .= ' = ' . $default;
}
return $code;
}
/**
* Compute the type code for the paramater.
*
* @return string
*/
private function getTypeCode()
{
// Handle PHP 5 separately
if (PHP_VERSION_ID < 70000) {
if ($this->reflector->isArray()) {
return 'array';
}
$class = $this->reflector->getClass();
return $class ? sprintf('\\%s ', $class->getName()) : '';
}
if (!$this->reflector->hasType()) {
return '';
}
$type = $this->reflector->getType();
$name = self::getQualifiedName($type);
// PHP 7.1+ supports nullable types via a leading question mark
return (PHP_VERSION_ID >= 70100 && $type->allowsNull()) ? sprintf('?%s ', $name) : sprintf('%s ', $name);
}
/**
* Compute qualified name for the given type.
*
* This function knows how to prefix class names with a leading slash and
* also how to handle PHP 8's union types.
*
* @param ReflectionType $type
*
* @return string
*/
private static function getQualifiedName(ReflectionType $type)
{
// PHP 8 union types can be recursively processed
if ($type instanceof ReflectionUnionType) {
return implode('|', array_map(function (ReflectionType $type) {
// The "self::" call within a Closure is fine here because this
// code will only ever be executed on PHP 7.0+
return self::getQualifiedName($type);
}, $type->getTypes()));
}
// PHP 7.0 doesn't have named types, but 7.1+ does
$name = $type instanceof ReflectionNamedType ? $type->getName() : (string) $type;
return $type->isBuiltin() ? $name : sprintf('\\%s', $name);
}
/**
* Compute the invocation code.
*
* @return string
*/
public function getInvocation()
{
return sprintf('$%s', $this->reflector->getName());
}
/**
* Compute the method name.
*
* @return string
*/
public function getMethod()
{
return $this->method;
}
}
Developer
To ensure a smooth integration process and optimal performance, follow these best practices: