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<?php 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; $foo->a; // this works: returns 'Some value' var_dump(isset($foo->a)); // this doesn't work: returns false
Output for 5.6.38, 7.0.33, 7.1.25, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
bool(true)
preferences:
105.9 ms | 1363 KiB | 4 Q