3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X { function __construct($gen) { $this->gen = $gen; } function __destruct() { var_dump($this->gen->current()); } } function gen() { $self = yield (0); yield (new X($self)); return 12; } $a = gen(); var_dump($a->current()); $a->send($a); var_dump($a->current()); $a->next(); var_dump($a->getReturn());
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(0) Deprecated: Creation of dynamic property X::$gen is deprecated in /in/mXXiu on line 4 object(X)#2 (1) { ["gen"]=> object(Generator)#1 (0) { } } int(12) NULL
Output for 7.0.1 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
int(0) object(X)#2 (1) { ["gen"]=> object(Generator)#1 (0) { } } int(12) NULL
Output for 7.0.0
int(0) object(X)#2 (1) { ["gen"]=> object(Generator)#1 (0) { } } object(X)#2 (1) { ["gen"]=> object(Generator)#1 (0) { } } int(12)
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/mXXiu on line 9
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function yield() in /in/mXXiu on line 9
Process exited with code 255.
preferences:
188.04 ms | 401 KiB | 257 Q