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<?php class Model { } class Processor { public function import() { $this->process(function ($data) { return $this->update($data); }); } public function process(Callback $callback) { $data = range(1, 10); foreach ($data as $d) { $callback($d); } } public function update(array $data) { var_dump($data); } } $processor = new Processor(); $processor->import();
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: Processor::process(): Argument #1 ($callback) must be of type Callback, Closure given, called in /in/VnTLW on line 13 and defined in /in/VnTLW:19 Stack trace: #0 /in/VnTLW(13): Processor->process(Object(Closure)) #1 /in/VnTLW(34): Processor->import() #2 {main} thrown in /in/VnTLW on line 19
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught TypeError: Processor::process(): Argument #1 ($callback) must be of type Callback, Closure given, called in /in/VnTLW on line 15 and defined in /in/VnTLW:19 Stack trace: #0 /in/VnTLW(15): Processor->process(Object(Closure)) #1 /in/VnTLW(34): Processor->import() #2 {main} thrown in /in/VnTLW on line 19
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to Processor::process() must be an instance of Callback, instance of Closure given, called in /in/VnTLW on line 15 and defined in /in/VnTLW:19 Stack trace: #0 /in/VnTLW(15): Processor->process(Object(Closure)) #1 /in/VnTLW(34): Processor->import() #2 {main} thrown in /in/VnTLW on line 19
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Catchable fatal error: Argument 1 passed to Processor::process() must be an instance of Callback, instance of Closure given, called in /in/VnTLW on line 15 and defined in /in/VnTLW on line 19
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/VnTLW on line 13
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/VnTLW on line 13
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/VnTLW on line 11
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/VnTLW on line 11
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/VnTLW on line 11
Process exited with code 255.

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