/**
* @param array|object $doc
* @param string $fieldName
* @param null|mixed $default
* @return mixed|null
* @throws UnableToGetFieldException
*/
function getValue($doc, $fieldName, $default = null)
{
if ($doc instanceof GetSetInterface) {
return $doc->getValue($fieldName, $default);
}
if (is_array($doc) || $doc instanceof \ArrayAccess) {
return isset($doc[$fieldName]) || array_key_exists($fieldName, $doc) ? $doc[$fieldName] : $default;
}
if (is_object($doc)) {
if (isset($doc->{$fieldName})) {
return $doc->{$fieldName};
}
// Does the property exist?
$fields = get_object_vars($doc);
if (array_key_exists($fieldName, $fields)) {
return $fields[$fieldName];
}
// Try using getters
$fieldNameCamel = util\toCamelCase($fieldName);
$getters = array($fieldName, 'get' . $fieldNameCamel, 'is' . $fieldNameCamel, 'has' . $fieldNameCamel, $fieldNameCamel);
foreach ($getters as $methodName) {
if (method_exists($doc, $methodName)) {
return $doc->{$methodName}();
}
}
// Try the magic methods __get when __isset doesn't exist
if (method_exists($doc, '__get') && !method_exists($doc, '__isset')) {
return $doc->{$fieldName};
}
return $default;
}
// Special case for null, we want to return the default in this case.
if (is_null($doc)) {
return $default;
}
throw new UnableToGetFieldException("Unable to get field: '{$fieldName}'");
}
/**
* @param $expected
* @param $value
* @dataProvider providerTestCamel
*/
public function testCamel($expected, $value)
{
$this->assertEquals($expected, util\toCamelCase($value));
}
