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<?php ini_set('error_reporting', -1); ini_set('display_errors', 'on'); class Foo { private static $a; public function __construct() { for($i=0; $i < 100; $i++) { self::$a = self::$a + range('A', 'Z'); } } public function generator() { foreach (self::$a as $i) { yield $i; } self::$a = []; } } $foo = new Foo; $generator = $foo->generator(); if ($generator->valid()) { foreach($generator as $i) { echo $i; } } else { echo 'Nothing'; } $generator = $foo->generator(); if ($generator->valid()) { foreach($generator as $i) { echo $i; } } else { echo 'Nothing'; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught TypeError: Unsupported operand types: null + array in /in/RjDqX:14 Stack trace: #0 /in/RjDqX(27): Foo->__construct() #1 {main} thrown in /in/RjDqX on line 14
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: Unsupported operand types: null + array in /in/RjDqX:14 Stack trace: #0 /in/RjDqX(27): Foo->__construct() #1 {main} thrown in /in/RjDqX on line 14
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Unsupported operand types in /in/RjDqX:14 Stack trace: #0 /in/RjDqX(27): Foo->__construct() #1 {main} thrown in /in/RjDqX on line 14
Process exited with code 255.
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