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<?php class Mammal { function mate(Mammal $with) { $class = substr($this.get_class(), 0, -1) . substr($with.get_class(), 1); eval("class $class extends Mammal {}"); return new $class; } } class Cheval extends Mammal {} class Poney extends Mammal {} $mingmong = new Cheval; $charles = new Poney; $charlimong = $mingmong->mate($charles); var_dump($charlimong);
Output for 8.3.0 - 8.3.6
Deprecated: Calling get_class() without arguments is deprecated in /in/YPcll on line 5 Fatal error: Uncaught Error: Object of class Cheval could not be converted to string in /in/YPcll:5 Stack trace: #0 /in/YPcll(17): Mammal->mate(Object(Poney)) #1 {main} thrown in /in/YPcll on line 5
Process exited with code 255.
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Fatal error: Uncaught Error: Object of class Cheval could not be converted to string in /in/YPcll:5 Stack trace: #0 /in/YPcll(17): Mammal->mate(Object(Poney)) #1 {main} thrown in /in/YPcll on line 5
Process exited with code 255.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33
Recoverable fatal error: Object of class Cheval could not be converted to string in /in/YPcll on line 5
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.21, 7.0.0 - 7.0.20
Catchable fatal error: Object of class Cheval could not be converted to string in /in/YPcll on line 5
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/YPcll(6) : eval()'d code on line 1 Fatal error: Class 'Object id #1Mammabject id #2Mammal' not found in /in/YPcll on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING, expecting '{' in /in/YPcll(6) : eval()'d code on line 1 Fatal error: Class 'Object id #1Mammabject id #2Mammal' not found in /in/YPcll on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/YPcll on line 4
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 ')' in /in/YPcll on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/YPcll on line 4
Process exited with code 255.

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