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<?php class A { protected $c; protected $d; public function set(B $test) { static $testMap = []; if (empty($testMap)) { $testMap = [ C::class => [$this, 'setC'], D::class => [$this, 'setD'], ]; } if ($test === null) { return; } $testType = get_class($test); if (!array_key_exists($testType, $testMap)) { throw new InvalidArgumentException( sprintf( "Encountered unexpected body type (%s) that isn't supported", $testType ) ); } call_user_func($testMap[$testType], $test); } /** * @param C|null $c */ public function setC(C $c = null) { $this->c = $c; } /** * @param D|null $d */ public function setD(D $d = null) { $this->d = $d; } } abstract class B { protected $data; public function __construct($q = '') { $this->data = $q; } } class C extends B { } class D extends B {} $a1 = new A; $a1->set(new C("test c1")); var_dump($a1); $a2 = new A; $a2->set(new C("test c2")); var_dump($a2); $a3 = new A; $a3->set(new C("test c3")); var_dump($a3);
Output for 8.4.1 - 8.4.12
Deprecated: A::setC(): Implicitly marking parameter $c as nullable is deprecated, the explicit nullable type must be used instead in /in/ta03s on line 33 Deprecated: A::setD(): Implicitly marking parameter $d as nullable is deprecated, the explicit nullable type must be used instead in /in/ta03s on line 41 object(A)#1 (2) { ["c":protected]=> object(C)#2 (1) { ["data":protected]=> string(7) "test c1" } ["d":protected]=> NULL } object(A)#3 (2) { ["c":protected]=> NULL ["d":protected]=> NULL } object(A)#2 (2) { ["c":protected]=> NULL ["d":protected]=> NULL }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25
object(A)#1 (2) { ["c":protected]=> object(C)#2 (1) { ["data":protected]=> string(7) "test c1" } ["d":protected]=> NULL } object(A)#3 (2) { ["c":protected]=> NULL ["d":protected]=> NULL } object(A)#2 (2) { ["c":protected]=> NULL ["d":protected]=> NULL }
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/ta03s on line 11
Process exited with code 255.
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/ta03s on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/ta03s 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/ta03s 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/ta03s 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/ta03s on line 5
Process exited with code 255.
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