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run code in 200+ php & hhvm versions
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<?php class X { function __construct($gen) { $this->gen = $gen; } function __destruct() { var_dump($this->gen->current()); } } function gen() { $self = yield (0); yield (new X($this)); return 12; } $a = gen(); var_dump($a->current()); $a->send($a); var_dump($a->current()); $a->next(); var_dump($a->getReturn());
based on IP1jG
Output for 7.1.0 - 7.2.6
int(0) Fatal error: Uncaught Error: Using $this when not in object context in /in/6MtaM:10 Stack trace: #0 [internal function]: gen() #1 /in/6MtaM(16): Generator->send(Object(Generator)) #2 {main} thrown in /in/6MtaM on line 10
Process exited with code 255.
Output for 7.0.1 - 7.0.20
int(0) Notice: Undefined variable: this in /in/6MtaM on line 10 object(X)#2 (1) { ["gen"]=> NULL } int(12) Fatal error: Uncaught Error: Call to a member function current() on null in /in/6MtaM:5 Stack trace: #0 [internal function]: X->__destruct() #1 {main} thrown in /in/6MtaM on line 5
Process exited with code 255.
Output for 7.0.0
int(0) Notice: Undefined variable: this in /in/6MtaM on line 10 object(X)#2 (1) { ["gen"]=> NULL } Fatal error: Uncaught Error: Call to a member function current() on null in /in/6MtaM:5 Stack trace: #0 /in/6MtaM(11): X->__destruct() #1 [internal function]: gen() #2 /in/6MtaM(18): Generator->next() #3 {main} thrown in /in/6MtaM on line 5
Process exited with code 255.
Output for 5.5.24 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/6MtaM on line 9
Process exited with code 255.
Output for 5.3.19 - 5.4.45
Fatal error: Call to undefined function yield() in /in/6MtaM on line 9
Process exited with code 255.