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run code in 150+ php & hhvm versions
Bugs & Features
<?php function gen() { yield 42; }; $xs = gen(); var_dump($xs->valid()); $xs->next(); var_dump($xs->valid()); var_dump($xs->current()); foreach ($xs as $x) { var_dump($x); }
Output for 7.0.0 - 7.1.0
bool(true) bool(false) NULL Fatal error: Uncaught Exception: Cannot traverse an already closed generator in /in/Fdo4I:5 Stack trace: #0 {main} thrown in /in/Fdo4I on line 5
Process exited with code 255.
Output for hhvm-3.12.0
bool(true) bool(false) NULL
Output for hhvm-3.10.0
bool(true) bool(true) int(42)
Output for 5.5.0 - 5.6.25
bool(true) bool(false) NULL Fatal error: Uncaught exception 'Exception' with message 'Cannot traverse an already closed generator' in /in/Fdo4I:5 Stack trace: #0 /in/Fdo4I(5): unknown() #1 {main} thrown in /in/Fdo4I on line 5
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '42' (T_LNUMBER) in /in/Fdo4I on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_LNUMBER in /in/Fdo4I on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_LNUMBER in /in/Fdo4I on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Fdo4I on line 2
Process exited with code 255.