Online PHP editor | rfc for JpXJC

@ 2018-03-24T20:56:50Z

<?php

class SomeClass
{
    private $myData = [
        'test1' => 'a value!',
        'test2' => null,
    ];
    
    public function __get($name)
    {
        if (!array_key_exists($name, $this->myData)) {
            echo "oops, $name does not exist";
            return null;
        }
        
        return $this->myData[$name];
    }
    
    public function __isset($name)
    {
        return isset($this->myData[$name]);
    }
}

$s = new SomeClass;

// this is fine, we try reading stuff and in last case, it's "not possible"
echo "test1 is $s->test1";
echo "test2 is $s->test2";
echo "testX is $s->testX";

// let's check if our properties exist
echo 'test1 ' . (isset($s->test1) ? 'is set' : 'is not set') . PHP_EOL;
echo 'test2 ' . (isset($s->test2) ? 'is set' : 'is not set') . ' (but that\'s ok)' . PHP_EOL;
echo 'testX ' . (isset($s->testX) ? 'is set' : 'is not set') . ' (but that\'s also ok)' . PHP_EOL;

echo 'test2 ' . (property_exists($s, 'test2') ? 'exists' : 'is not there') . ' (yeah, strictly speaking)' . PHP_EOL;
echo 'testX ' . (property_exists($s, 'testX') ? 'exists' : 'is not there') . ' (ok... so how do I know it\'s really not there?)' . PHP_EOL;

Output for git.master, git.master_jit, rfc.property-hooks: test1 is a value!test2 is oops, testX does not existtestX is test1 is set test2 is not set (but that's ok) testX is not set (but that's also ok) test2 is not there (yeah, strictly speaking) testX is not there (ok... so how do I know it's really not there?)

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2022-12-01 RFC: Property hooks - included in PHP 8.4
2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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