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<?php function creator($var) { return new class($var) { private static $var; function __construct($var) { static::$var = $var; } function __debugInfo() { return [ "\0*\0var" => static::$var, ]; } }; } $a = creator('A'); $b = creator('B'); var_dump($a, $b, $a === $b);
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, 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
object(class@anonymous)#1 (1) { ["var":protected]=> string(1) "B" } object(class@anonymous)#2 (1) { ["var":protected]=> string(1) "B" } bool(false)
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 object(class@anonymous)#1 (1) { ["var":protected]=> string(1) "B" } object(class@anonymous)#2 (1) { ["var":protected]=> string(1) "B" } bool(false)
preferences:
186.05 ms | 402 KiB | 178 Q