3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function gen1() { yield 1; yield 2; } /** function yieldFrom() { $iter = gen1(); foreach($iter as $val) { yield $val; } } /**/ /**/ function gen2() { yield from gen1(); } /**/ $g = gen2(); foreach($g as $val) { var_dump($val); }
Output for 7.0.0 - 7.2.0
int(1) int(2)
Output for 5.5.24 - 5.6.28
Parse error: syntax error, unexpected 'gen1' (T_STRING) in /in/4vQ8l on line 18
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '1' (T_LNUMBER) in /in/4vQ8l on line 4
Process exited with code 255.
Output for 5.3.19 - 5.3.29
Parse error: syntax error, unexpected T_LNUMBER in /in/4vQ8l on line 4
Process exited with code 255.