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<?php final class Immutable { private $somePropertyThatShouldntBeChanged; public function __construct($value) { $this->somePropertyThatShouldntBeChanged = $value; } public function getValue() { return $this->somePropertyThatShouldntBeChanged; } } $foo = new Immutable('immutable value'); echo $foo->getValue() . PHP_EOL; $foo->__construct('not immutable value'); echo $foo->getValue() . PHP_EOL;
Output for 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 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, 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 not immutable value
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 not immutable value
Output for 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/0BuZUQ on line 19 immutable valuePHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/0BuZUQ on line 23 not immutable valuePHP_EOL
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/0BuZUQ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_CLASS in /in/0BuZUQ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/0BuZUQ on line 3
Process exited with code 255.
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