Bug #77291 [Opn->Fbk]: __isset() magic method doesn't work if implemented via a trait.

Edit report at https://bugs.php.net/bug.php?id=77291&edit=1 ID: 77291 Updated by: danack@php.net Reported by: tandrewbennett at hotmail dot com Summary: __isset() magic method doesn't work if implemented via a trait. -Status: Open +Status: Feedback Type: Bug Package: *General Issues Operating System: Ubuntu 16.04 PHP Version: 7.3.0 Block user comment: N Private report: N New Comment: This appears to work for me on PHP 7.3.0 https://3v4l.org/i9Lpv Please can you try with OPCache disabled, and/or disabling any non-core extensions you have enabled? Previous Comments: ------------------------------------------------------------------------ [2018-12-13 07:10:11] tandrewbennett at hotmail dot com Description: ------------ The __isset() magic method is no longer invoked on a class if implemented via a Trait. Test script: --------------- trait AccessibleProperties { public function __isset($property) { return property_exists($this, $property); } public function __get($property) { if (property_exists($this, $property)) { return $this->$property; } } } class Foo { use AccessibleProperties; protected $a = 'Some value'; } $foo = new Foo; $foo->a; // this works: returns 'Some value' isset($foo->a); // this doesn't work: returns false ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=77291&edit=1