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<?php final class Immutable { private $somePropertyThatShouldntBeChanged; public static function create($value) { return new self($value); } private function __construct($value) { $this->somePropertyThatShouldntBeChanged = $value; } public function getValue() { return $this->somePropertyThatShouldntBeChanged; } } $foo = Immutable::create('immutable value'); echo $foo->getValue() . PHP_EOL; $foo->__construct('not immutable value'); echo $foo->getValue() . PHP_EOL;
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
immutable value Fatal error: Uncaught Error: Call to private method Immutable::__construct() from global scope in /in/oOuEk:26 Stack trace: #0 {main} thrown in /in/oOuEk on line 26
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 immutable value Fatal error: Uncaught Error: Call to private method Immutable::__construct() from global scope in /in/oOuEk:26 Stack trace: #0 {main} thrown in /in/oOuEk on line 26
Process exited with code 255.
Output for 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
immutable value Fatal error: Uncaught Error: Call to private method Immutable::__construct() from context '' in /in/oOuEk:26 Stack trace: #0 {main} thrown in /in/oOuEk on line 26
Process exited with code 255.
Output for 5.6.0 - 5.6.40
immutable value Fatal error: Call to private method Immutable::__construct() from context '' in /in/oOuEk on line 26
Process exited with code 255.
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