Online PHP editor | output for PoHIr

@ 2018-10-22T14:44:23Z

<?php

defined('_') or define('_', null);

trait ADT {
    private $args = [];
    
    public function __construct(...$args) {
        $this->args = $args;
    }
    
    public static function __callStatic(string $name, array $args)
    {
        $const = static::class . '::' . strtoupper($name);
        
        $class = $name . static::class;
        if (!class_exists($class, true)) {
            $code = sprintf('final class %s extends %s { use ADT; }', $class, static::class);
            eval($code);
        }
        
        print_r($args);
        
        return new $class(...$args);
    }
}

class Gender
{
    use ADT;
    
    const SOME = ['value'];
    const NONE = [];
}

var_dump(Gender::Some(42));

// match($gender, [
//     Some(_)
//     Other(_) => ''
// ])

Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7: Array ( [0] => 42 ) object(SomeGender)#1 (2) { ["args":"Gender":private]=> array(0) { } ["args":"SomeGender":private]=> array(1) { [0]=> int(42) } }
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 Array ( [0] => 42 ) object(SomeGender)#1 (2) { ["args":"Gender":private]=> array(0) { } ["args":"SomeGender":private]=> array(1) { [0]=> int(42) } }
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.4 - 7.4.33, 8.0.0 - 8.0.30: Array ( [0] => 42 ) object(SomeGender)#1 (2) { ["args":"SomeGender":private]=> array(1) { [0]=> int(42) } ["args":"Gender":private]=> array(0) { } }

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