<?php
class DataHolder {
private $rawData;
private $parsedData;
private $mapping = [
'dbField1' => 'outputField1',
'dbField2' => ['outputField2' => ['parseFn1', 'parseFn2']]
];
private function parserFn1($value) {
return $value * 2;
}
private function parserFn2($value) {
return $value . "$";
}
public function __construct(array $data) {
$this->rawData = $data;
$this->mapData();
}
// Yes, I know the methods shouldn't be here but it rather be decoupled in another class and
// injected with a DI it but I wrote it like this with example purposes only
private function mapData() {
foreach($this->mapping as $dbFieldName => $content) {
if(isset($this->rawData[$dbFieldName])) {
if(is_string($content)) {
$parsedData[$content] = $this->rawData[$dbFieldName];
} else
if (is_array($content)) {
$frontFieldName = key($content);
$functionsArray = reset($content);
$value = $this->rawData[$dbFieldName];
foreach($functionsArray as $functionName) {
$value = call_user_func(array($this, $functionName), $value);
}
var_dump($value);
}
}
}
}
}
$data = ['dbField1' => 5, 'dbField2' => 13];
$dh = new DataHolder($data);
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, class DataHolder does not have a method "parseFn1" in /in/rrPFl:40
Stack trace:
#0 /in/rrPFl(21): DataHolder->mapData()
#1 /in/rrPFl(50): DataHolder->__construct(Array)
#2 {main}
thrown in /in/rrPFl on line 40
Process exited with code 255.
Output for 8.0.0 - 8.0.9
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($function) must be a valid callback, class DataHolder does not have a method "parseFn1" in /in/rrPFl:40
Stack trace:
#0 /in/rrPFl(21): DataHolder->mapData()
#1 /in/rrPFl(50): DataHolder->__construct(Array)
#2 {main}
thrown in /in/rrPFl on line 40
Process exited with code 255.
Warning: call_user_func() expects parameter 1 to be a valid callback, class 'DataHolder' does not have a method 'parseFn1' in /in/rrPFl on line 40
Warning: call_user_func() expects parameter 1 to be a valid callback, class 'DataHolder' does not have a method 'parseFn2' in /in/rrPFl on line 40
NULL
Parse error: syntax error, unexpected '[' in /in/rrPFl on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/rrPFl on line 6
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/rrPFl on line 3
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/rrPFl on line 3
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/rrPFl on line 3
Process exited with code 255.