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<?php class ReportController { protected $source; protected $data; public function __construct(array $source, $dataObject = null, \Closure $transformer = null) { $this->source = $source; $this->data = ($dataObject) ? [] : $dataObject; $this->transform($transformer); } public function transform(\Closure $transformer = null) { array_walk($this->source, $transformer); } public function getData() { return $this->data; } } $source = [ ['type'=>'open'], ['type'=>'closed'], ['type'=>'pending'], ['type'=>'accepted'] ]; $transformer = function($ticket, $key) { (isset($this->data[$ticket['type']]))? $this->data[$ticket['type']]++: $this->data[$ticket['type']]=1; }; $report = new ReportController($source); var_dump($report->getData());
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: array_walk(): Argument #2 ($callback) must be a valid callback, no array or string given in /in/lAhIs:18 Stack trace: #0 /in/lAhIs(18): array_walk(Array, NULL) #1 /in/lAhIs(13): ReportController->transform(NULL) #2 /in/lAhIs(37): ReportController->__construct(Array) #3 {main} thrown in /in/lAhIs on line 18
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 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_walk() expects parameter 2 to be a valid callback, no array or string given in /in/lAhIs on line 18 NULL
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/lAhIs on line 11
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/lAhIs on line 8 Parse error: syntax error, unexpected '[' in /in/lAhIs on line 11
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/lAhIs on line 8
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/lAhIs on line 5
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/lAhIs on line 5
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/lAhIs on line 5
Process exited with code 255.

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