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<?php class Foo { public function __construct($a, $b) { var_dump($a, $b); } } class Bar extends Foo{ public function __construct($a) { var_dump($a); parent::__construct($a); } } class Baz extends Bar{ public function __construct($a, $b) { Foo::__construct($a, $b); parent::__construct($a); } } $baz = new Baz("foo", "bar");
Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
string(3) "foo" string(3) "bar" string(3) "foo" Fatal error: Uncaught ArgumentCountError: Too few arguments to function Foo::__construct(), 1 passed in /in/LOhOL on line 14 and exactly 2 expected in /in/LOhOL:4 Stack trace: #0 /in/LOhOL(14): Foo->__construct('foo') #1 /in/LOhOL(22): Bar->__construct('foo') #2 /in/LOhOL(26): Baz->__construct('foo', 'bar') #3 {main} thrown in /in/LOhOL on line 4
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(3) "foo" string(3) "bar" string(3) "foo" Fatal error: Uncaught ArgumentCountError: Too few arguments to function Foo::__construct(), 1 passed in /in/LOhOL on line 14 and exactly 2 expected in /in/LOhOL:4 Stack trace: #0 /in/LOhOL(14): Foo->__construct('foo') #1 /in/LOhOL(22): Bar->__construct('foo') #2 /in/LOhOL(26): Baz->__construct('foo', 'bar') #3 {main} thrown in /in/LOhOL on line 4
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
string(3) "foo" string(3) "bar" string(3) "foo" Warning: Missing argument 2 for Foo::__construct(), called in /in/LOhOL on line 14 and defined in /in/LOhOL on line 4 Notice: Undefined variable: b in /in/LOhOL on line 6 string(3) "foo" NULL
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