<?php
class Foo
{
public function dump(self $baz) {
var_dump($baz);
}
}
class Bar extends Foo
{
public function dump(self $baz)
{
parent::dump($baz);
}
}
(new Foo)->dump(new Bar);
(new Bar)->dump(new Bar);
(new Bar)->dump(new Foo);
Fatal error: Declaration of Bar::dump(Bar $baz) must be compatible with Foo::dump(Foo $baz) in /in/Mdk7X on line 13
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of Bar::dump(Bar $baz) should be compatible with Foo::dump(Foo $baz) in /in/Mdk7X on line 13
object(Bar)#2 (0) {
}
object(Bar)#2 (0) {
}
Fatal error: Uncaught TypeError: Argument 1 passed to Bar::dump() must be an instance of Bar, instance of Foo given, called in /in/Mdk7X on line 21 and defined in /in/Mdk7X:13
Stack trace:
#0 /in/Mdk7X(21): Bar->dump(Object(Foo))
#1 {main}
thrown in /in/Mdk7X on line 13
Process exited with code 255.
Warning: Declaration of Bar::dump(Bar $baz) should be compatible with Foo::dump(Foo $baz) in /in/Mdk7X on line 17
object(Bar)#2 (0) {
}
object(Bar)#2 (0) {
}
Fatal error: Uncaught TypeError: Argument 1 passed to Bar::dump() must be an instance of Bar, instance of Foo given, called in /in/Mdk7X on line 21 and defined in /in/Mdk7X:13
Stack trace:
#0 /in/Mdk7X(21): Bar->dump(Object(Foo))
#1 {main}
thrown in /in/Mdk7X on line 13
Process exited with code 255.
Strict Standards: Declaration of Bar::dump() should be compatible with Foo::dump(Foo $baz) in /in/Mdk7X on line 17
object(Bar)#2 (0) {
}
object(Bar)#1 (0) {
}
Catchable fatal error: Argument 1 passed to Bar::dump() must be an instance of Bar, instance of Foo given, called in /in/Mdk7X on line 21 and defined in /in/Mdk7X on line 13
Process exited with code 255.
Output for 5.4.0
object(Bar)#2 (0) {
}
object(Bar)#1 (0) {
}
Catchable fatal error: Argument 1 passed to Bar::dump() must be an instance of Bar, instance of Foo given, called in /in/Mdk7X on line 21 and defined in /in/Mdk7X on line 13
Process exited with code 255.
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/Mdk7X on line 19
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/Mdk7X on line 19
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/Mdk7X on line 6
Process exited with code 255.
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Mdk7X on line 6
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/Mdk7X on line 6
Process exited with code 255.