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<?php class Foo { private $a; public function __construct(int $a) { $this->a = $a; } public function __invoke(int $a) : Bar { return new Bar($a); } } class Bar { private $a; public function __construct(int $a) { $this->a = $a; } } $foo = new Foo(1); $bar = new $foo(2); $bar2 = new $foo->__invoke(2); var_dump($foo); var_dump($bar); var_dump($bar2);
Output for 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
Warning: Undefined property: Foo::$__invoke in /in/eWARQ on line 35 Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/eWARQ:35 Stack trace: #0 {main} thrown in /in/eWARQ on line 35
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: Undefined property: Foo::$__invoke in /in/eWARQ on line 35 Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/eWARQ:35 Stack trace: #0 {main} thrown in /in/eWARQ on line 35
Process exited with code 255.
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined property: Foo::$__invoke in /in/eWARQ on line 35 Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/eWARQ:35 Stack trace: #0 {main} thrown in /in/eWARQ on line 35
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/eWARQ:35 Stack trace: #0 {main} thrown in /in/eWARQ on line 35
Process exited with code 255.
Output for 5.6.38
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/eWARQ on line 13
Process exited with code 255.
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