PHP 8.2 Readonly Classes prop); // Hi $test->prop = "foobar"; // Cannot modify readonly property Test::$prop ]]> Prevents dynamic properties Can't be used with untyped or static properties Disjunctive Normal Form (DNF) Types bar(new B); ]]> 8.0 Union Types X|Y 8.1 Intersection Types X&Y 8.2 DNF Types (X&A)|(Y&B) Standalone null, false, and true types New "Random" extension shuffleString('Testing'); ]]> Provides multiple RNG engines as opposed to just using Mersenne Twister Constants in Traits Sensitive Parameters __construct('rasmus', Object(SensitiveParameterValue)) #1 {main} ]]> Deprecate dynamic properties last_name = 'Doe'; // Deprecated notice $user = new User2(); $user->last_name = 'Doe'; // ok $user = new stdClass(); $user->last_name = 'Doe'; // ok ]]> ¡Aguas! Deprecated dynamic properties!! use |22AA11|Phan| and |22AA11|#[\AllowDynamicProperties]| Deprecated |EE2211|${var}| string interpolation use |22AA11|{$var}| Deprecated |EE2211|utf8_encode()| and |EE2211|utf8_decode()| decode: use |22AA11|mb_convert_encoding($latin1, 'UTF-8', 'ISO-8859-1')| encode: use |22AA11|mb_convert_encoding($utf8, 'ISO-8859-1', 'UTF8')| Functions |EE2211|strtolower()| and |EE2211|strtoupper()| are no longer locale-sensitive Use |22AA11|mb_strtoupper()|/|22AA11|mb_strtolower()| if you need locale-aware conversion