Online PHP editor | output for gWTYm

@ 2015-11-15T20:15:09Z

<?php

class Test {
    public $a;
    
    protected $have_been_set = array();
    
    public function __set($name, $val) {
        $this->have_been_set[$name] = TRUE;
        $this->{$name} = $val;
    }
    
    public function __isset($name) {
        print "checking for $name\n";
        return array_key_exists($name, $this->have_been_set);
    }
}
$t1 = new Test();
$t1->a = null;

$t2 = new Test();

var_dump( isSet($t1->a), isSet($t2->a) );

Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: bool(false) 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 bool(false) bool(false)

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