Online PHP editor | output for OudB0

@ 2016-12-10T00:24:11Z

<?php

class p {
    public function foo() {
        return 'parent';
    }
}

class baby extends p {
    
}

class son extends p {
    public function foo() {
        return "i am the son";
    }
}

class daughter extends p {
    public function foo() {
        return 'i am ' . parent::foo() . "'s daughter";
    }
}

$baby = new baby;
$son = new son;
$daughter = new daughter;
var_dump(
    $baby->foo(),     // baby inherits from parent
    $son->foo(),      // son does his own thing
    $daughter->foo()  // daughter does her own thing, and remembers parent
);

Output for 5.6.0 - 5.6.38, 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 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: string(6) "parent" string(12) "i am the son" string(22) "i am parent's daughter"
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 string(6) "parent" string(12) "i am the son" string(22) "i am parent's daughter"

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