Online PHP editor | output for 4BMJt

@ 2024-12-20T08:30:43Z

<?php

class Foo
{
    
    #[MyAttr(msg: __PROPERTY__)]
    public string $i = __PROPERTY__ {
        #[MyAttr(msg: __PROPERTY__)]
        get {
            var_dump(__PROPERTY__); // dumps "i"
            
            return $this->i;
        }
        
        set (
            #[MyAttr(msg: __PROPERTY__)]
            string $v
        ) {
            $this->i = $v;
        }
    }
    
}

$f = new Foo();
var_dump($f->i); // dumps "" because it does not work in default value

$r = new ReflectionClass(Foo::class);
$p = $r->getProperty('i');
var_dump($p->getAttributes()[0]->getArguments()); // dumps "" because it does not work in property attributes

$get = $p->getHook(PropertyHookType::Get);
var_dump($get->getAttributes()[0]->getArguments()); // dumps "" because it does not work in hook attributes

$set = $p->getHook(PropertyHookType::Set);
var_dump($set->getParameters()[0]->getAttributes()[0]->getArguments()); // dumps "i" because it only works in parameter attributes

Output for 8.4.4: string(1) "i" string(1) "i" array(1) { ["msg"]=> string(1) "i" } array(1) { ["msg"]=> string(1) "i" } array(1) { ["msg"]=> string(1) "i" }
Output for 8.4.2: string(1) "i" string(0) "" array(1) { ["msg"]=> string(0) "" } array(1) { ["msg"]=> string(0) "" } array(1) { ["msg"]=> string(1) "i" }
Output for 8.0.30: Parse error: syntax error, unexpected identifier "get", expecting "function" or "fn" or "static" or "#[" in /in/4BMJt on line 9
Process exited with code 255.
Output for 7.2.34: Parse error: syntax error, unexpected 'string' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/4BMJt on line 7
Process exited with code 255.
Output for 7.0.0: Parse error: syntax error, unexpected 'string' (T_STRING), expecting variable (T_VARIABLE) in /in/4BMJt on line 7
Process exited with code 255.
Output for 5.2.17: Parse error: syntax error, unexpected T_STRING, expecting T_VARIABLE in /in/4BMJt on line 7
Process exited with code 255.
Output for 4.3.0: Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/4BMJt on line 7
Process exited with code 255.

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