Online PHP editor | output for cHAPU

@ 2018-07-17T18:57:12Z

<?php

class Shipping {
    
    private $company;
    
    function __construct(){
        $this->company = "";
    }
    
    function setStrategy($company){
        
        $this->company = $company;
        
    }
    
    function calculate (Package $package){
        
        return $this->company->calculate($package);
    }
}
interface Company {
    public function calculate();
}
class UPS implements Company{
    
    public function calculate($package){
        
        return 45 * $package->weight;
    }
    
}
class USPS implements Company{
    
    public function calculate(Package $package){
        
        return 30 * $package->weight;
    }
}
class FedEx implements Company {
    
    public function calculate(Package $package){
        
        return 60 * $package->weight;
    }
}
class Package {
    
    public $weight;
    
    function __construct($weight){
        $this->weight = $weight;
    }
}

$package = new Package(30);
$shipping = new Shipping();
$shiping->setStrategy(new UPS());
echo $shipping->calculate($package);

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: Fatal error: Declaration of UPS::calculate($package) must be compatible with Company::calculate() in /in/cHAPU on line 27
Process exited with code 255.
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Declaration of UPS::calculate($package) must be compatible with Company::calculate() in /in/cHAPU on line 27
Process exited with code 255.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33: Fatal error: Declaration of UPS::calculate($package) must be compatible with Company::calculate() in /in/cHAPU on line 25
Process exited with code 255.

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