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run code in 300+ PHP versions simultaneously
<?php class A { public int $a; public function __construct(int $a = 1) { $this->a = $a; } } class B extends A { public string $b; public function __construct(string $b = 'hello') { $this->b = $b; } } $b = new B(); $b->a=1; var_dump($b->a, $b->b);
Output for 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
int(1) string(5) "hello"
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 int(1) string(5) "hello"
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Parse error: syntax error, unexpected 'int' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/1530v on line 4
Process exited with code 255.

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