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<?php declare(strict_types=1); class X { /** @var string $string */ private $string; public function setString(string $string) : X { $this->string = $string; } public function getString() : string { return $this->string; } } $x = new X(); echo $x->getString();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Fatal error: Uncaught TypeError: X::getString(): Return value must be of type string, null returned in /in/vuruT:17 Stack trace: #0 /in/vuruT(22): X->getString() #1 {main} thrown in /in/vuruT on line 17
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 Fatal error: Uncaught TypeError: X::getString(): Return value must be of type string, null returned in /in/vuruT:17 Stack trace: #0 /in/vuruT(22): X->getString() #1 {main} thrown in /in/vuruT on line 17
Process exited with code 255.
Output for 7.0.0 - 7.0.24, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Return value of X::getString() must be of the type string, null returned in /in/vuruT:17 Stack trace: #0 /in/vuruT(22): X->getString() #1 {main} thrown in /in/vuruT on line 17
Process exited with code 255.

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