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<?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('DataHolder', $functionName), $value); } var_dump($value); } } } } } $data = ['dbField1' => 5, 'dbField2' => 13]; $dh = new DataHolder($data);
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, class DataHolder does not have a method "parseFn1" in /in/YFttF:40 Stack trace: #0 /in/YFttF(21): DataHolder->mapData() #1 /in/YFttF(50): DataHolder->__construct(Array) #2 {main} thrown in /in/YFttF on line 40
Process exited with code 255.
Output for 8.0.0 - 8.0.9
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($function) must be a valid callback, class DataHolder does not have a method "parseFn1" in /in/YFttF:40 Stack trace: #0 /in/YFttF(21): DataHolder->mapData() #1 /in/YFttF(50): DataHolder->__construct(Array) #2 {main} thrown in /in/YFttF on line 40
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: call_user_func() expects parameter 1 to be a valid callback, class 'DataHolder' does not have a method 'parseFn1' in /in/YFttF 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/YFttF on line 40 NULL
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/YFttF on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/YFttF 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/YFttF on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/YFttF 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/YFttF on line 3
Process exited with code 255.
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