<?php
class DataMapper {
/**
* @var array
*/
private $rawData;
/**
* @var array
*/
private $parsedData;
/**
* @var array
*/
private $mapping = [
'dbField1' => 'outputField1',
'dbField2' => ['outputField2' => ['double']],
'dbField3' => ['outputField3' => ['double', 'dollars']]
];
public function __construct(array $data) {
$this->rawData = $data;
$this->mapData();
}
/**
* @param $value
* @return mixed
*/
private function double($value) {
return $value * 2;
}
/**
* @param $value
* @return string
*/
private function dollars($value) {
return $value . "$";
}
// Yes, I know the methods shouldn't be here but it rather be decoupled in another class and
// injected with a DI it but I wrote it like this with example purposes only
private function mapData() {
foreach($this->mapping as $dbFieldName => $content) {
if(isset($this->rawData[$dbFieldName])) {
if(is_string($content)) {
$this->parsedData[$content] = $this->rawData[$dbFieldName];
} else
if (is_array($content)) {
$frontFieldName = key($content);
$functionsArray = reset($content);
$value = $this->rawData[$dbFieldName];
foreach($functionsArray as $functionName) {
$value = $this->{$functionName}($value);
}
$this->parsedData[$frontFieldName] = $value;
}
}
}
}
/**
* Simple getter
* @return array
*/
public function getParsedData() {
return $this->parsedData;
}
}
// Usually the data comes from the DB so it would be in some kind of Row Set structure
$data = ['dbField1' => 1, 'dbField2' => 10, 'dbField3' => 100];
// The data is handed to the Holder which parses it
$dm = new DataMapper($data);
// The data is parsed so it can be
echo json_encode($dm->getParsedData());
Parse error: syntax error, unexpected '[' in /in/Pql7s on line 16
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/Pql7s on line 16
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Pql7s on line 6
Process exited with code 255.
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Pql7s on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/Pql7s on line 6
Process exited with code 255.